{"id":55170,"date":"2025-08-13T18:09:38","date_gmt":"2025-08-13T10:09:38","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/55170.html"},"modified":"2025-08-13T18:09:38","modified_gmt":"2025-08-13T10:09:38","slug":"%e4%b9%9e%e4%b8%90%e5%93%a5%e7%9a%84%e7%a7%81%e6%88%bf%e8%8f%9c%ef%bc%88ubuntu-opencv%e7%af%87-image-processing-%e8%8a%82-%e4%b9%8b-motion-deblur-filter-%e8%bf%90%e5%8a%a8%e5%8e%bb","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/55170.html","title":{"rendered":"\u4e5e\u4e10\u54e5\u7684\u79c1\u623f\u83dc\uff08Ubuntu OpenCV\u7bc7\u2014\u2014Image Processing \u8282 \u4e4b Motion Deblur Filter \u8fd0\u52a8\u53bb\u6a21\u7cca\u6ee4\u6ce2\u5668 \u6ee4\u955c\uff09"},"content":{"rendered":"<ul>\n<li>\u64cd\u4f5c\u7cfb\u7edf&#xff1a;\u624b\u673a\u5b89\u88c5 Termux ,Termux \u5185\u5b89\u88c5 ubuntu\n<ul>\n<li>Termux 0.119.0-beta.3<\/li>\n<li>\u5185\u5d4c ubuntu 24.04<\/li>\n<\/ul>\n<\/li>\n<li>\u7f16\u8bd1\u5668&#xff1a;GNU g&#043;&#043; 14.2.0<\/li>\n<li>\u7f16\u8f91\u5668&#xff1a;Emacs 29.3<\/li>\n<li>OpenCV&#xff1a;4.13.0<\/li>\n<\/ul>\n<h2>\u76ee\u6807<\/h2>\n<ul>\n<li>\u4ec0\u4e48\u662f\u8fd0\u52a8\u6a21\u7cca\u56fe\u50cf\u7684 PSF<\/li>\n<li>\u5982\u4f55\u6062\u590d\u8fd0\u52a8\u6a21\u7cca\u56fe\u50cf<\/li>\n<\/ul>\n<h2>\u7406\u8bba<\/h2>\n<p>\u5bf9\u4e8e\u9000\u5316\u56fe\u50cf\u6a21\u578b\u7406\u8bba\u548c\u7ef4\u7eb3\u6ee4\u5149\u7247\u7406\u8bba&#xff0c;\u60a8\u53ef\u4ee5\u53c2\u8003\u6559\u7a0b\u5931\u7126\u53bb\u6a21\u7cca\u6ee4\u955c\u3002\u5728\u6b64\u9875\u9762\u4e0a&#xff0c;\u4ec5\u8003\u8651\u7ebf\u6027\u8fd0\u52a8\u6a21\u7cca\u5931\u771f\u3002\u6b64\u9875\u9762\u4e0a\u7684\u8fd0\u52a8\u6a21\u7cca\u56fe\u50cf\u662f\u771f\u5b9e\u4e16\u754c\u7684\u56fe\u50cf\u3002\u6a21\u7cca\u662f\u7531\u79fb\u52a8\u7684\u7269\u4f53\u5f15\u8d77\u7684\u3002<\/p>\n<h3>\u8fd0\u52a8\u6a21\u7cca\u56fe\u50cf\u7684 PSF \u662f\u591a\u5c11<\/h3>\n<p>\u7ebf\u6027\u8fd0\u52a8\u6a21\u7cca\u7578\u53d8\u7684\u70b9\u6269\u6563\u51fd\u6570 &#xff08;PSF&#xff09; \u662f\u7ebf\u6bb5\u3002\u8fd9\u6837\u7684 PSF \u7531\u4e24\u4e2a\u53c2\u6570\u6307\u5b9a&#xff1a;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">LENLEN<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\">L<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.109em\">EN<\/span><\/span><\/span><\/span><\/span> \u662f\u6a21\u7cca\u7684\u957f\u5ea6&#xff0c;\u800c <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">THETATHETA<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">T<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0813em\">H<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">ET<\/span><span class=\"mord mathnormal\">A<\/span><\/span><\/span><\/span><\/span> \u662f\u8fd0\u52a8\u89d2\u5ea6<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250813100934-689c645eb5ba0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u5982\u4f55\u6062\u590d\u6a21\u7cca\u7684\u56fe\u50cf<\/h3>\n<p>\u5728\u6b64\u9875\u9762\u4e0a&#xff0c;\u7ef4\u7eb3\u6ee4\u955c\u7528\u4f5c\u6062\u590d\u6ee4\u955c&#xff0c;\u6709\u5173\u8be6\u7ec6\u4fe1\u606f&#xff0c;\u60a8\u53ef\u4ee5\u53c2\u8003\u6559\u7a0b\u5931\u7126\u53bb\u6a21\u7cca\u6ee4\u955c\u3002\u4e3a\u4e86\u5408\u6210\u8fd0\u52a8\u6a21\u7cca\u60c5\u51b5\u7684\u7ef4\u7eb3\u6ee4\u6ce2\u5668&#xff0c;\u5b83\u9700\u8981\u6307\u5b9a PSF \u7684\u4fe1\u566a\u6bd4 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">(SNR)(SNR)<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0077em\">SNR<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span> &#xff0c;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">LENLEN<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\">L<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.109em\">EN<\/span><\/span><\/span><\/span><\/span> \u548c <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">THETATHETA<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">T<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0813em\">H<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">ET<\/span><span class=\"mord mathnormal\">A<\/span><\/span><\/span><\/span><\/span><\/p>\n<h2>\u6e90\u4ee3\u7801<\/h2>\n<p>  <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n  <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;opencv2\/imgproc.hpp&#034;<\/span><\/span><br \/>\n  <span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;opencv2\/imgcodecs.hpp&#034;<\/span><\/span><\/p>\n<p>  <span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> cv<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">void<\/span> <span class=\"token function\">help<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">void<\/span> <span class=\"token function\">calcPSF<\/span><span class=\"token punctuation\">(<\/span>Mat<span class=\"token operator\">&amp;<\/span> outputImg<span class=\"token punctuation\">,<\/span> Size filterSize<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> len<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">double<\/span> theta<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">void<\/span> <span class=\"token function\">fftshift<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Mat<span class=\"token operator\">&amp;<\/span> inputImg<span class=\"token punctuation\">,<\/span> Mat<span class=\"token operator\">&amp;<\/span> outputImg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">void<\/span> <span class=\"token function\">filter2DFreq<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Mat<span class=\"token operator\">&amp;<\/span> inputImg<span class=\"token punctuation\">,<\/span> Mat<span class=\"token operator\">&amp;<\/span> outputImg<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> Mat<span class=\"token operator\">&amp;<\/span> H<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">void<\/span> <span class=\"token function\">calcWnrFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Mat<span class=\"token operator\">&amp;<\/span> input_h_PSF<span class=\"token punctuation\">,<\/span> Mat<span class=\"token operator\">&amp;<\/span> output_G<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">double<\/span> nsr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">void<\/span> <span class=\"token function\">edgetaper<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Mat<span class=\"token operator\">&amp;<\/span> inputImg<span class=\"token punctuation\">,<\/span> Mat<span class=\"token operator\">&amp;<\/span> outputImg<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">double<\/span> gamma <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">5.0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">double<\/span> beta <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0.2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">const<\/span> String keys <span class=\"token operator\">&#061;<\/span><br \/>\n    <span class=\"token string\">&#034;{help h usage ? |             | print this message             }&#034;<\/span><br \/>\n    <span class=\"token string\">&#034;{image          |input.png    | input image name               }&#034;<\/span><br \/>\n    <span class=\"token string\">&#034;{LEN            |125          | length of a motion             }&#034;<\/span><br \/>\n    <span class=\"token string\">&#034;{THETA          |0            | angle of a motion in degrees   }&#034;<\/span><br \/>\n    <span class=\"token string\">&#034;{SNR            |700          | signal to noise ratio          }&#034;<\/span><br \/>\n    <span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">help<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    CommandLineParser <span class=\"token function\">parser<\/span><span class=\"token punctuation\">(<\/span>argc<span class=\"token punctuation\">,<\/span> argv<span class=\"token punctuation\">,<\/span> keys<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>parser<span class=\"token punctuation\">.<\/span><span class=\"token function\">has<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;help&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span><br \/>\n        parser<span class=\"token punctuation\">.<\/span><span class=\"token function\">printMessage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">int<\/span> LEN <span class=\"token operator\">&#061;<\/span> parser<span class=\"token punctuation\">.<\/span><span class=\"token generic-function\"><span class=\"token function\">get<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;LEN&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">double<\/span> THETA <span class=\"token operator\">&#061;<\/span> parser<span class=\"token punctuation\">.<\/span><span class=\"token generic-function\"><span class=\"token function\">get<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">double<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;THETA&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> snr <span class=\"token operator\">&#061;<\/span> parser<span class=\"token punctuation\">.<\/span><span class=\"token generic-function\"><span class=\"token function\">get<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;SNR&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    string strInFileName <span class=\"token operator\">&#061;<\/span> parser<span class=\"token punctuation\">.<\/span><span class=\"token generic-function\"><span class=\"token function\">get<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span>String<span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;image&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>parser<span class=\"token punctuation\">.<\/span><span class=\"token function\">check<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span><br \/>\n        parser<span class=\"token punctuation\">.<\/span><span class=\"token function\">printErrors<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><\/p>\n<p>    Mat imgIn<span class=\"token punctuation\">;<\/span><br \/>\n    imgIn <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">imread<\/span><span class=\"token punctuation\">(<\/span>strInFileName<span class=\"token punctuation\">,<\/span> IMREAD_GRAYSCALE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>imgIn<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/check whether the image is loaded or not<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span><br \/>\n        cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;ERROR : Image cannot be loaded..!!&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><\/p>\n<p>    Mat imgOut<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ it needs to process even image only<\/span><br \/>\n    Rect roi <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">Rect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> imgIn<span class=\"token punctuation\">.<\/span>cols <span class=\"token operator\">&amp;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> imgIn<span class=\"token punctuation\">.<\/span>rows <span class=\"token operator\">&amp;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/Hw calculation (start)<\/span><br \/>\n    Mat Hw<span class=\"token punctuation\">,<\/span> h<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">calcPSF<\/span><span class=\"token punctuation\">(<\/span>h<span class=\"token punctuation\">,<\/span> roi<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> LEN<span class=\"token punctuation\">,<\/span> THETA<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">calcWnrFilter<\/span><span class=\"token punctuation\">(<\/span>h<span class=\"token punctuation\">,<\/span> Hw<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1.0<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token keyword\">double<\/span><span class=\"token punctuation\">(<\/span>snr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/Hw calculation (stop)<\/span><\/p>\n<p>    imgIn<span class=\"token punctuation\">.<\/span><span class=\"token function\">convertTo<\/span><span class=\"token punctuation\">(<\/span>imgIn<span class=\"token punctuation\">,<\/span> CV_32F<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">edgetaper<\/span><span class=\"token punctuation\">(<\/span>imgIn<span class=\"token punctuation\">,<\/span> imgIn<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ filtering (start)<\/span><br \/>\n    <span class=\"token function\">filter2DFreq<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">imgIn<\/span><span class=\"token punctuation\">(<\/span>roi<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> imgOut<span class=\"token punctuation\">,<\/span> Hw<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ filtering (stop)<\/span><\/p>\n<p>    imgOut<span class=\"token punctuation\">.<\/span><span class=\"token function\">convertTo<\/span><span class=\"token punctuation\">(<\/span>imgOut<span class=\"token punctuation\">,<\/span> CV_8U<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">normalize<\/span><span class=\"token punctuation\">(<\/span>imgOut<span class=\"token punctuation\">,<\/span> imgOut<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">255<\/span><span class=\"token punctuation\">,<\/span> NORM_MINMAX<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">imwrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;result.jpg&#034;<\/span><span class=\"token punctuation\">,<\/span> imgOut<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">void<\/span> <span class=\"token function\">help<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;2018-08-14&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n    cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Motion_deblur_v2&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n    cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;You will learn how to recover an image with motion blur distortion using a Wiener filter&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">void<\/span> <span class=\"token function\">calcPSF<\/span><span class=\"token punctuation\">(<\/span>Mat<span class=\"token operator\">&amp;<\/span> outputImg<span class=\"token punctuation\">,<\/span> Size filterSize<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> len<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">double<\/span> theta<span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    Mat <span class=\"token function\">h<\/span><span class=\"token punctuation\">(<\/span>filterSize<span class=\"token punctuation\">,<\/span> CV_32F<span class=\"token punctuation\">,<\/span> <span class=\"token function\">Scalar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Point <span class=\"token function\">point<\/span><span class=\"token punctuation\">(<\/span>filterSize<span class=\"token punctuation\">.<\/span>width <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> filterSize<span class=\"token punctuation\">.<\/span>height <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">ellipse<\/span><span class=\"token punctuation\">(<\/span>h<span class=\"token punctuation\">,<\/span> point<span class=\"token punctuation\">,<\/span> <span class=\"token function\">Size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cvRound<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">float<\/span><span class=\"token punctuation\">(<\/span>len<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">2.0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">90.0<\/span> <span class=\"token operator\">&#8211;<\/span> theta<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">360<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">Scalar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">255<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> FILLED<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Scalar summa <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">sum<\/span><span class=\"token punctuation\">(<\/span>h<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    outputImg <span class=\"token operator\">&#061;<\/span> h <span class=\"token operator\">\/<\/span> summa<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">void<\/span> <span class=\"token function\">fftshift<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Mat<span class=\"token operator\">&amp;<\/span> inputImg<span class=\"token punctuation\">,<\/span> Mat<span class=\"token operator\">&amp;<\/span> outputImg<span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    outputImg <span class=\"token operator\">&#061;<\/span> inputImg<span class=\"token punctuation\">.<\/span><span class=\"token function\">clone<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> cx <span class=\"token operator\">&#061;<\/span> outputImg<span class=\"token punctuation\">.<\/span>cols <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> cy <span class=\"token operator\">&#061;<\/span> outputImg<span class=\"token punctuation\">.<\/span>rows <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Mat <span class=\"token function\">q0<\/span><span class=\"token punctuation\">(<\/span>outputImg<span class=\"token punctuation\">,<\/span> <span class=\"token function\">Rect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> cx<span class=\"token punctuation\">,<\/span> cy<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Mat <span class=\"token function\">q1<\/span><span class=\"token punctuation\">(<\/span>outputImg<span class=\"token punctuation\">,<\/span> <span class=\"token function\">Rect<\/span><span class=\"token punctuation\">(<\/span>cx<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> cx<span class=\"token punctuation\">,<\/span> cy<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Mat <span class=\"token function\">q2<\/span><span class=\"token punctuation\">(<\/span>outputImg<span class=\"token punctuation\">,<\/span> <span class=\"token function\">Rect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> cy<span class=\"token punctuation\">,<\/span> cx<span class=\"token punctuation\">,<\/span> cy<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Mat <span class=\"token function\">q3<\/span><span class=\"token punctuation\">(<\/span>outputImg<span class=\"token punctuation\">,<\/span> <span class=\"token function\">Rect<\/span><span class=\"token punctuation\">(<\/span>cx<span class=\"token punctuation\">,<\/span> cy<span class=\"token punctuation\">,<\/span> cx<span class=\"token punctuation\">,<\/span> cy<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Mat tmp<span class=\"token punctuation\">;<\/span><br \/>\n    q0<span class=\"token punctuation\">.<\/span><span class=\"token function\">copyTo<\/span><span class=\"token punctuation\">(<\/span>tmp<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    q3<span class=\"token punctuation\">.<\/span><span class=\"token function\">copyTo<\/span><span class=\"token punctuation\">(<\/span>q0<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    tmp<span class=\"token punctuation\">.<\/span><span class=\"token function\">copyTo<\/span><span class=\"token punctuation\">(<\/span>q3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    q1<span class=\"token punctuation\">.<\/span><span class=\"token function\">copyTo<\/span><span class=\"token punctuation\">(<\/span>tmp<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    q2<span class=\"token punctuation\">.<\/span><span class=\"token function\">copyTo<\/span><span class=\"token punctuation\">(<\/span>q1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    tmp<span class=\"token punctuation\">.<\/span><span class=\"token function\">copyTo<\/span><span class=\"token punctuation\">(<\/span>q2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">void<\/span> <span class=\"token function\">filter2DFreq<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Mat<span class=\"token operator\">&amp;<\/span> inputImg<span class=\"token punctuation\">,<\/span> Mat<span class=\"token operator\">&amp;<\/span> outputImg<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> Mat<span class=\"token operator\">&amp;<\/span> H<span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    Mat planes<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token generic-function\"><span class=\"token function\">Mat_<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">float<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>inputImg<span class=\"token punctuation\">.<\/span><span class=\"token function\">clone<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Mat<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">zeros<\/span><span class=\"token punctuation\">(<\/span>inputImg<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> CV_32F<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Mat complexI<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">merge<\/span><span class=\"token punctuation\">(<\/span>planes<span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> complexI<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">dft<\/span><span class=\"token punctuation\">(<\/span>complexI<span class=\"token punctuation\">,<\/span> complexI<span class=\"token punctuation\">,<\/span> DFT_SCALE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    Mat planesH<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token generic-function\"><span class=\"token function\">Mat_<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">float<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>H<span class=\"token punctuation\">.<\/span><span class=\"token function\">clone<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Mat<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">zeros<\/span><span class=\"token punctuation\">(<\/span>H<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> CV_32F<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Mat complexH<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">merge<\/span><span class=\"token punctuation\">(<\/span>planesH<span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> complexH<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Mat complexIH<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">mulSpectrums<\/span><span class=\"token punctuation\">(<\/span>complexI<span class=\"token punctuation\">,<\/span> complexH<span class=\"token punctuation\">,<\/span> complexIH<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">idft<\/span><span class=\"token punctuation\">(<\/span>complexIH<span class=\"token punctuation\">,<\/span> complexIH<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">split<\/span><span class=\"token punctuation\">(<\/span>complexIH<span class=\"token punctuation\">,<\/span> planes<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    outputImg <span class=\"token operator\">&#061;<\/span> planes<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">void<\/span> <span class=\"token function\">calcWnrFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Mat<span class=\"token operator\">&amp;<\/span> input_h_PSF<span class=\"token punctuation\">,<\/span> Mat<span class=\"token operator\">&amp;<\/span> output_G<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">double<\/span> nsr<span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    Mat h_PSF_shifted<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">fftshift<\/span><span class=\"token punctuation\">(<\/span>input_h_PSF<span class=\"token punctuation\">,<\/span> h_PSF_shifted<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Mat planes<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token generic-function\"><span class=\"token function\">Mat_<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">float<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span>h_PSF_shifted<span class=\"token punctuation\">.<\/span><span class=\"token function\">clone<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Mat<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">zeros<\/span><span class=\"token punctuation\">(<\/span>h_PSF_shifted<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> CV_32F<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Mat complexI<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">merge<\/span><span class=\"token punctuation\">(<\/span>planes<span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> complexI<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">dft<\/span><span class=\"token punctuation\">(<\/span>complexI<span class=\"token punctuation\">,<\/span> complexI<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">split<\/span><span class=\"token punctuation\">(<\/span>complexI<span class=\"token punctuation\">,<\/span> planes<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Mat denom<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">pow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">abs<\/span><span class=\"token punctuation\">(<\/span>planes<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> denom<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    denom <span class=\"token operator\">&#043;&#061;<\/span> nsr<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">divide<\/span><span class=\"token punctuation\">(<\/span>planes<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> denom<span class=\"token punctuation\">,<\/span> output_G<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">void<\/span> <span class=\"token function\">edgetaper<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Mat<span class=\"token operator\">&amp;<\/span> inputImg<span class=\"token punctuation\">,<\/span> Mat<span class=\"token operator\">&amp;<\/span> outputImg<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">double<\/span> gamma<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">double<\/span> beta<span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> Nx <span class=\"token operator\">&#061;<\/span> inputImg<span class=\"token punctuation\">.<\/span>cols<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> Ny <span class=\"token operator\">&#061;<\/span> inputImg<span class=\"token punctuation\">.<\/span>rows<span class=\"token punctuation\">;<\/span><br \/>\n    Mat <span class=\"token function\">w1<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> Nx<span class=\"token punctuation\">,<\/span> CV_32F<span class=\"token punctuation\">,<\/span> <span class=\"token function\">Scalar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Mat <span class=\"token function\">w2<\/span><span class=\"token punctuation\">(<\/span>Ny<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> CV_32F<span class=\"token punctuation\">,<\/span> <span class=\"token function\">Scalar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">float<\/span><span class=\"token operator\">*<\/span> p1 <span class=\"token operator\">&#061;<\/span> w1<span class=\"token punctuation\">.<\/span><span class=\"token generic-function\"><span class=\"token function\">ptr<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">float<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">float<\/span><span class=\"token operator\">*<\/span> p2 <span class=\"token operator\">&#061;<\/span> w2<span class=\"token punctuation\">.<\/span><span class=\"token generic-function\"><span class=\"token function\">ptr<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">float<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">float<\/span> dx <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">float<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2.0<\/span> <span class=\"token operator\">*<\/span> CV_PI <span class=\"token operator\">\/<\/span> Nx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">float<\/span> x <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">float<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span>CV_PI<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> Nx<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span><br \/>\n        p1<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">float<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.5<\/span> <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">tanh<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>x <span class=\"token operator\">&#043;<\/span> gamma <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> beta<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token function\">tanh<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>x <span class=\"token operator\">&#8211;<\/span> gamma <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> beta<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        x <span class=\"token operator\">&#043;&#061;<\/span> dx<span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">float<\/span> dy <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">float<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2.0<\/span> <span class=\"token operator\">*<\/span> CV_PI <span class=\"token operator\">\/<\/span> Ny<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">float<\/span> y <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">float<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span>CV_PI<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> Ny<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span><br \/>\n        p2<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">float<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.5<\/span> <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">tanh<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>y <span class=\"token operator\">&#043;<\/span> gamma <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> beta<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token function\">tanh<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>y <span class=\"token operator\">&#8211;<\/span> gamma <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> beta<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        y <span class=\"token operator\">&#043;&#061;<\/span> dy<span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    Mat w <span class=\"token operator\">&#061;<\/span> w2 <span class=\"token operator\">*<\/span> w1<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">multiply<\/span><span class=\"token punctuation\">(<\/span>inputImg<span class=\"token punctuation\">,<\/span> w<span class=\"token punctuation\">,<\/span> outputImg<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u89e3\u91ca\u8bf4\u660e<\/h2>\n<ul>\n<li>\u8fd0\u52a8\u6a21\u7cca\u56fe\u50cf\u6062\u590d\u7b97\u6cd5\u5305\u62ecPSF\u751f\u6210\u3001\u7ef4\u7eb3\u6ee4\u6ce2\u5668\u751f\u6210\u548c\u5728\u9891\u57df\u4e2d\u5bf9\u6a21\u7cca\u56fe\u50cf\u8fdb\u884c\u6ee4\u6ce2&#xff1a;  <span class=\"token comment\">\/\/ it needs to process even image only<\/span><br \/>\n  Rect roi <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">Rect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> imgIn<span class=\"token punctuation\">.<\/span>cols <span class=\"token operator\">&amp;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> imgIn<span class=\"token punctuation\">.<\/span>rows <span class=\"token operator\">&amp;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/Hw calculation (start)<\/span><br \/>\n  Mat Hw<span class=\"token punctuation\">,<\/span> h<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token function\">calcPSF<\/span><span class=\"token punctuation\">(<\/span>h<span class=\"token punctuation\">,<\/span> roi<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> LEN<span class=\"token punctuation\">,<\/span> THETA<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token function\">calcWnrFilter<\/span><span class=\"token punctuation\">(<\/span>h<span class=\"token punctuation\">,<\/span> Hw<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1.0<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token keyword\">double<\/span><span class=\"token punctuation\">(<\/span>snr<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token comment\">\/\/Hw calculation (stop)<\/span><\/p>\n<p>  imgIn<span class=\"token punctuation\">.<\/span><span class=\"token function\">convertTo<\/span><span class=\"token punctuation\">(<\/span>imgIn<span class=\"token punctuation\">,<\/span> CV_32F<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token function\">edgetaper<\/span><span class=\"token punctuation\">(<\/span>imgIn<span class=\"token punctuation\">,<\/span> imgIn<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ filtering (start)<\/span><br \/>\n  <span class=\"token function\">filter2DFreq<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">imgIn<\/span><span class=\"token punctuation\">(<\/span>roi<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> imgOut<span class=\"token punctuation\">,<\/span> Hw<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token comment\">\/\/ filtering (stop)<\/span><\/p>\n<\/li>\n<li>\u51fd\u6570calcPSF&#xff08;&#xff09;\u6839\u636e\u8f93\u5165\u53c2\u6570 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">LENLEN<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\">L<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.109em\">EN<\/span><\/span><\/span><\/span><\/span> \u548c <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">THETATHETA<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">T<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0813em\">H<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">ET<\/span><span class=\"mord mathnormal\">A<\/span><\/span><\/span><\/span><\/span>&#xff08;\u4ee5\u5ea6\u4e3a\u5355\u4f4d&#xff09;\u5f62\u6210PSF&#xff1a;  <span class=\"token keyword\">void<\/span> <span class=\"token function\">calcPSF<\/span><span class=\"token punctuation\">(<\/span>Mat<span class=\"token operator\">&amp;<\/span> outputImg<span class=\"token punctuation\">,<\/span> Size filterSize<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> len<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">double<\/span> theta<span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    Mat <span class=\"token function\">h<\/span><span class=\"token punctuation\">(<\/span>filterSize<span class=\"token punctuation\">,<\/span> CV_32F<span class=\"token punctuation\">,<\/span> <span class=\"token function\">Scalar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Point <span class=\"token function\">point<\/span><span class=\"token punctuation\">(<\/span>filterSize<span class=\"token punctuation\">.<\/span>width <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> filterSize<span class=\"token punctuation\">.<\/span>height <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">ellipse<\/span><span class=\"token punctuation\">(<\/span>h<span class=\"token punctuation\">,<\/span> point<span class=\"token punctuation\">,<\/span> <span class=\"token function\">Size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">cvRound<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">float<\/span><span class=\"token punctuation\">(<\/span>len<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">2.0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">90.0<\/span> <span class=\"token operator\">&#8211;<\/span> theta<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">360<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">Scalar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">255<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> FILLED<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Scalar summa <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">sum<\/span><span class=\"token punctuation\">(<\/span>h<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    outputImg <span class=\"token operator\">&#061;<\/span> h <span class=\"token operator\">\/<\/span> summa<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<\/li>\n<li>\u51fd\u6570edgetaper&#xff08;&#xff09;\u4f7f\u8f93\u5165\u56fe\u50cf\u7684\u8fb9\u7f18\u9010\u6e10\u53d8\u7ec6&#xff0c;\u4ee5\u51cf\u5c11\u6062\u590d\u56fe\u50cf\u4e2d\u7684\u632f\u94c3\u6548\u5e94&#xff1a;  <span class=\"token keyword\">void<\/span> <span class=\"token function\">edgetaper<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Mat<span class=\"token operator\">&amp;<\/span> inputImg<span class=\"token punctuation\">,<\/span> Mat<span class=\"token operator\">&amp;<\/span> outputImg<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">double<\/span> gamma<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">double<\/span> beta<span class=\"token punctuation\">)<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> Nx <span class=\"token operator\">&#061;<\/span> inputImg<span class=\"token punctuation\">.<\/span>cols<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> Ny <span class=\"token operator\">&#061;<\/span> inputImg<span class=\"token punctuation\">.<\/span>rows<span class=\"token punctuation\">;<\/span><br \/>\n    Mat <span class=\"token function\">w1<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> Nx<span class=\"token punctuation\">,<\/span> CV_32F<span class=\"token punctuation\">,<\/span> <span class=\"token function\">Scalar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Mat <span class=\"token function\">w2<\/span><span class=\"token punctuation\">(<\/span>Ny<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> CV_32F<span class=\"token punctuation\">,<\/span> <span class=\"token function\">Scalar<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">float<\/span><span class=\"token operator\">*<\/span> p1 <span class=\"token operator\">&#061;<\/span> w1<span class=\"token punctuation\">.<\/span><span class=\"token generic-function\"><span class=\"token function\">ptr<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">float<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">float<\/span><span class=\"token operator\">*<\/span> p2 <span class=\"token operator\">&#061;<\/span> w2<span class=\"token punctuation\">.<\/span><span class=\"token generic-function\"><span class=\"token function\">ptr<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">float<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">float<\/span> dx <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">float<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2.0<\/span> <span class=\"token operator\">*<\/span> CV_PI <span class=\"token operator\">\/<\/span> Nx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">float<\/span> x <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">float<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span>CV_PI<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> Nx<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span><br \/>\n        p1<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">float<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.5<\/span> <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">tanh<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>x <span class=\"token operator\">&#043;<\/span> gamma <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> beta<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token function\">tanh<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>x <span class=\"token operator\">&#8211;<\/span> gamma <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> beta<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        x <span class=\"token operator\">&#043;&#061;<\/span> dx<span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">float<\/span> dy <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">float<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2.0<\/span> <span class=\"token operator\">*<\/span> CV_PI <span class=\"token operator\">\/<\/span> Ny<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">float<\/span> y <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">float<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span>CV_PI<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> Ny<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n      <span class=\"token punctuation\">{<\/span><br \/>\n        p2<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">float<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.5<\/span> <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">tanh<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>y <span class=\"token operator\">&#043;<\/span> gamma <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> beta<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token function\">tanh<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>y <span class=\"token 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