{"id":57721,"date":"2025-08-15T18:30:02","date_gmt":"2025-08-15T10:30:02","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/57721.html"},"modified":"2025-08-15T18:30:02","modified_gmt":"2025-08-15T10:30:02","slug":"opencv-%e8%a7%86%e9%a2%91%e5%a4%84%e7%90%86%e5%85%a8%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/57721.html","title":{"rendered":"OpenCV \u89c6\u9891\u5904\u7406\u5168\u89e3\u6790"},"content":{"rendered":"<p>OpenCV \u89c6\u9891\u5904\u7406\u5168\u89e3\u6790&#xff1a;\u4ece\u57fa\u7840\u64cd\u4f5c\u5230\u9ad8\u7ea7\u5e94\u7528\u200b<\/p>\n<p>\u5728\u8ba1\u7b97\u673a\u89c6\u89c9\u9886\u57df&#xff0c;\u89c6\u9891\u5904\u7406\u662f\u4e00\u4e2a\u6838\u5fc3\u4e14\u5e7f\u6cdb\u5e94\u7528\u7684\u6280\u672f\u65b9\u5411\u3002\u65e0\u8bba\u662f\u5b89\u9632\u76d1\u63a7\u3001\u81ea\u52a8\u9a7e\u9a76\u8fd8\u662f\u77ed\u89c6\u9891\u7279\u6548&#xff0c;\u90fd\u79bb\u4e0d\u5f00\u5bf9\u52a8\u6001\u89c6\u9891\u6d41\u7684\u667a\u80fd\u5206\u6790\u4e0e\u5904\u7406\u3002OpenCV \u4f5c\u4e3a\u6700\u6d41\u884c\u7684\u5f00\u6e90\u8ba1\u7b97\u673a\u89c6\u89c9\u5e93&#xff0c;\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u89c6\u9891\u5904\u7406 API&#xff0c;\u8ba9\u5f00\u53d1\u8005\u80fd\u591f\u5feb\u901f\u5b9e\u73b0\u4ece\u7b80\u5355\u64ad\u653e\u5230\u590d\u6742\u5206\u6790\u7684\u5404\u7c7b\u529f\u80fd\u3002\u672c\u6587\u5c06\u7cfb\u7edf\u8bb2\u89e3 OpenCV \u89c6\u9891\u5904\u7406\u7684\u6838\u5fc3\u6280\u672f&#xff0c;\u901a\u8fc7 10 &#043; \u5b9e\u7528\u4ee3\u7801\u6848\u4f8b&#xff0c;\u5e26\u60a8\u638c\u63e1\u4ece\u89c6\u9891\u8bfb\u53d6\u5230\u9ad8\u7ea7\u7279\u6548\u7684\u5168\u6d41\u7a0b\u5b9e\u73b0\u65b9\u6cd5\u3002\u200b<\/p>\n<p>\u89c6\u9891\u5904\u7406\u57fa\u7840&#xff1a;\u7406\u89e3\u6570\u5b57\u89c6\u9891\u7684\u672c\u8d28\u200b<\/p>\n<p>\u5728\u6df1\u5165\u6280\u672f\u7ec6\u8282\u4e4b\u524d&#xff0c;\u6211\u4eec\u9700\u8981\u5148\u7406\u89e3\u6570\u5b57\u89c6\u9891\u7684\u672c\u8d28\u3002\u89c6\u9891\u672c\u8d28\u4e0a\u662f\u7531\u4e00\u7cfb\u5217\u8fde\u7eed\u7684\u9759\u6001\u56fe\u50cf&#xff08;\u5e27&#xff09;\u7ec4\u6210\u7684\u5e8f\u5217&#xff0c;\u8fd9\u4e9b\u5e27\u4ee5\u4e00\u5b9a\u7684\u901f\u7387&#xff08;\u5e27\u7387&#xff09;\u8fde\u7eed\u64ad\u653e&#xff0c;\u4ece\u800c\u5f62\u6210\u89c6\u89c9\u4e0a\u7684\u52a8\u6001\u6548\u679c\u3002\u6807\u51c6\u89c6\u9891\u7684\u5e27\u7387\u901a\u5e38\u4e3a 24-30 \u5e27 \/ \u79d2&#xff08;fps&#xff09;&#xff0c;\u8fd9\u610f\u5473\u7740\u6bcf\u79d2\u949f\u4f1a\u5c55\u793a 24-30 \u5f20\u9759\u6001\u56fe\u50cf\u3002\u200b<\/p>\n<p>OpenCV \u5904\u7406\u89c6\u9891\u7684\u57fa\u672c\u539f\u7406&#xff0c;\u5c31\u662f\u5c06\u89c6\u9891\u6d41\u62c6\u5206\u4e3a\u4e00\u5e27\u5e27\u7684\u56fe\u50cf&#xff0c;\u7136\u540e\u5229\u7528\u5176\u5f3a\u5927\u7684\u56fe\u50cf\u5904\u7406\u80fd\u529b\u5bf9\u5355\u5e27\u6216\u591a\u5e27\u8fdb\u884c\u64cd\u4f5c&#xff0c;\u6700\u540e\u518d\u5c06\u5904\u7406\u540e\u7684\u5e27\u91cd\u65b0\u7ec4\u5408\u6210\u89c6\u9891\u6d41\u3002\u8fd9\u79cd &#034;\u5206\u800c\u6cbb\u4e4b&#034; \u7684\u601d\u60f3&#xff0c;\u4f7f\u5f97\u6211\u4eec\u53ef\u4ee5\u5c06\u590d\u6742\u7684\u89c6\u9891\u5904\u7406\u95ee\u9898\u8f6c\u5316\u4e3a\u66f4\u7b80\u5355\u7684\u56fe\u50cf\u5904\u7406\u95ee\u9898\u3002\u200b<\/p>\n<p>\u5728 OpenCV \u4e2d&#xff0c;\u89c6\u9891\u5904\u7406\u4e3b\u8981\u4f9d\u8d56\u4e8e\u4e24\u4e2a\u6838\u5fc3\u7c7b&#xff1a;VideoCapture\u548cVideoWriter\u3002\u524d\u8005\u8d1f\u8d23\u4ece\u89c6\u9891\u6587\u4ef6\u6216\u6444\u50cf\u5934\u8bfb\u53d6\u89c6\u9891\u6d41&#xff0c;\u540e\u8005\u5219\u7528\u4e8e\u5c06\u5904\u7406\u540e\u7684\u5e27\u5199\u5165\u65b0\u7684\u89c6\u9891\u6587\u4ef6\u3002\u8fd9\u4e24\u4e2a\u7c7b\u6784\u6210\u4e86 OpenCV \u89c6\u9891\u5904\u7406\u7684\u57fa\u7840\u6846\u67b6&#xff0c;\u6240\u6709\u590d\u6742\u7684\u89c6\u9891\u64cd\u4f5c\u90fd\u662f\u5728\u8fd9\u4e2a\u57fa\u7840\u4e0a\u6269\u5c55\u800c\u6765\u7684\u3002\u200b<\/p>\n<p>\u5165\u95e8\u5b9e\u8df5&#xff1a;\u89c6\u9891\u7684\u8bfb\u53d6\u4e0e\u64ad\u653e\u200b<\/p>\n<p>\u8ba9\u6211\u4eec\u4ece\u6700\u57fa\u7840\u7684\u89c6\u9891\u8bfb\u53d6\u4e0e\u64ad\u653e\u5f00\u59cb\u3002\u4e0b\u9762\u7684\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528VideoCapture\u7c7b\u8bfb\u53d6\u672c\u5730\u89c6\u9891\u6587\u4ef6\u5e76\u9010\u5e27\u663e\u793a&#xff1a;\u200b<\/p>\n<p>\u200b<\/p>\n<p>TypeScript\u53d6\u6d88\u81ea\u52a8\u6362\u884c\u590d\u5236<\/p>\n<p>\u200b<\/p>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5b9e\u73b0\u4e86\u89c6\u9891\u8bfb\u53d6\u7684\u5b8c\u6574\u6d41\u7a0b&#xff1a;\u9996\u5148\u521b\u5efaVideoCapture\u5bf9\u8c61\u5e76\u68c0\u67e5\u662f\u5426\u6210\u529f\u6253\u5f00&#xff1b;\u7136\u540e\u83b7\u53d6\u89c6\u9891\u7684\u57fa\u672c\u5c5e\u6027&#xff0c;\u5982\u5bbd\u5ea6\u3001\u9ad8\u5ea6\u3001\u5e27\u7387\u7b49&#xff1b;\u63a5\u7740\u901a\u8fc7\u5faa\u73af\u9010\u5e27\u8bfb\u53d6\u5e76\u663e\u793a\u89c6\u9891&#xff1b;\u6700\u540e\u5728\u9000\u51fa\u65f6\u91ca\u653e\u8d44\u6e90\u3002\u200b<\/p>\n<p>\u503c\u5f97\u6ce8\u610f\u7684\u662fcv2.waitKey()\u51fd\u6570\u7684\u53c2\u6570\u8bbe\u7f6e\u3002\u4e3a\u4e86\u4f7f\u89c6\u9891\u64ad\u653e\u901f\u5ea6\u4e0e\u5b9e\u9645\u5e27\u7387\u5339\u914d&#xff0c;\u6211\u4eec\u5c06\u7b49\u5f85\u65f6\u95f4\u8bbe\u7f6e\u4e3a1000\/fps\u6beb\u79d2&#xff08;1 \u79d2 &#061; 1000 \u6beb\u79d2&#xff09;\u3002\u4f8b\u5982&#xff0c;\u5bf9\u4e8e 30fps \u7684\u89c6\u9891&#xff0c;\u6bcf\u5e27\u7684\u7b49\u5f85\u65f6\u95f4\u7ea6\u4e3a 33 \u6beb\u79d2\u3002\u200b<\/p>\n<p>\u5982\u679c\u9700\u8981\u4ece\u6444\u50cf\u5934\u8bfb\u53d6\u89c6\u9891\u6d41&#xff0c;\u53ea\u9700\u5c06VideoCapture\u7684\u53c2\u6570\u6539\u4e3a\u6444\u50cf\u5934\u7d22\u5f15&#xff08;\u901a\u5e38 0 \u8868\u793a\u9ed8\u8ba4\u6444\u50cf\u5934&#xff09;&#xff1a;\u200b<\/p>\n<p>\u200b<\/p>\n<p>TypeScript\u53d6\u6d88\u81ea\u52a8\u6362\u884c\u590d\u5236<\/p>\n<p>\u200b<\/p>\n<p>\u89c6\u9891\u5e27\u7684\u57fa\u7840\u5904\u7406&#xff1a;\u4ece\u5355\u5e27\u5230\u591a\u5e27\u200b<\/p>\n<p>\u638c\u63e1\u4e86\u89c6\u9891\u7684\u8bfb\u53d6\u548c\u64ad\u653e\u540e&#xff0c;\u6211\u4eec\u53ef\u4ee5\u5f00\u59cb\u5bf9\u89c6\u9891\u5e27\u8fdb\u884c\u5404\u79cd\u5904\u7406\u3002\u7531\u4e8e\u89c6\u9891\u5e27\u672c\u8d28\u4e0a\u662f\u56fe\u50cf&#xff0c;\u56e0\u6b64\u6240\u6709 OpenCV \u7684\u56fe\u50cf\u5904\u7406\u51fd\u6570\u90fd\u53ef\u4ee5\u76f4\u63a5\u5e94\u7528\u4e8e\u89c6\u9891\u5e27\u3002\u200b<\/p>\n<p>1. \u89c6\u9891\u7070\u5ea6\u5316\u5904\u7406\u200b<\/p>\n<p>\u5c06\u5f69\u8272\u89c6\u9891\u8f6c\u4e3a\u7070\u5ea6\u89c6\u9891\u662f\u6700\u57fa\u7840\u7684\u89c6\u9891\u5904\u7406\u64cd\u4f5c\u4e4b\u4e00&#xff0c;\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9700\u8981\u7b80\u5316\u56fe\u50cf\u6570\u636e\u7684\u573a\u666f&#xff08;\u5982\u4eba\u8138\u8bc6\u522b\u9884\u5904\u7406&#xff09;&#xff1a;\u200b<\/p>\n<p>\u200b<\/p>\n<p>TypeScript\u53d6\u6d88\u81ea\u52a8\u6362\u884c\u590d\u5236<\/p>\n<p>\u200b<\/p>\n<p>\u5728\u8fd9\u4e2a\u6848\u4f8b\u4e2d&#xff0c;\u6211\u4eec\u5f15\u5165\u4e86VideoWriter\u7c7b\u6765\u4fdd\u5b58\u5904\u7406\u540e\u7684\u89c6\u9891\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f&#xff0c;\u7531\u4e8e\u7070\u5ea6\u56fe\u50cf\u662f\u5355\u901a\u9053\u7684&#xff0c;\u6211\u4eec\u5728\u521b\u5efaVideoWriter\u65f6\u9700\u8981\u5c06isColor\u53c2\u6570\u8bbe\u4e3aFalse\u3002\u540c\u65f6&#xff0c;\u4ee3\u7801\u4f7f\u7528np.hstack()\u5c06\u5904\u7406\u524d\u540e\u7684\u5e27\u5e76\u6392\u663e\u793a&#xff0c;\u65b9\u4fbf\u5bf9\u6bd4\u6548\u679c\u3002\u200b<\/p>\n<p>2. \u89c6\u9891\u8fb9\u7f18\u68c0\u6d4b\u200b<\/p>\n<p>\u5229\u7528 Canny \u8fb9\u7f18\u68c0\u6d4b\u7b97\u6cd5\u5bf9\u89c6\u9891\u5e27\u8fdb\u884c\u5904\u7406&#xff0c;\u53ef\u4ee5\u63d0\u53d6\u51fa\u89c6\u9891\u4e2d\u7684\u8f6e\u5ed3\u4fe1\u606f&#xff0c;\u8fd9\u5728\u8fd0\u52a8\u5206\u6790\u7b49\u573a\u666f\u4e2d\u975e\u5e38\u6709\u7528&#xff1a;\u200b<\/p>\n<p>\u200b<\/p>\n<p>TypeScript\u53d6\u6d88\u81ea\u52a8\u6362\u884c\u590d\u5236<\/p>\n<p>\u200b<\/p>\n<p>Canny \u8fb9\u7f18\u68c0\u6d4b\u901a\u5e38\u9700\u8981\u5148\u5bf9\u56fe\u50cf\u8fdb\u884c\u7070\u5ea6\u5316\u548c\u6a21\u7cca\u5904\u7406&#xff0c;\u4ee5\u51cf\u5c11\u566a\u58f0\u5e72\u6270\u3002\u4ee3\u7801\u4e2d\u4f7f\u7528\u4e86cv2.GaussianBlur()\u8fdb\u884c\u9ad8\u65af\u6a21\u7cca&#xff0c;\u7136\u540e\u8c03\u7528cv2.Canny()\u8fdb\u884c\u8fb9\u7f18\u68c0\u6d4b&#xff0c;\u5176\u4e2d\u7684\u4e24\u4e2a\u9608\u503c&#xff08;50 \u548c 150&#xff09;\u63a7\u5236\u8fb9\u7f18\u68c0\u6d4b\u7684\u7075\u654f\u5ea6&#xff0c;\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u89c6\u9891\u5185\u5bb9\u8fdb\u884c\u8c03\u6574\u3002\u200b<\/p>\n<p>3. \u89c6\u9891\u5e27\u7684\u7f29\u653e\u4e0e\u65cb\u8f6c\u200b<\/p>\n<p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d&#xff0c;\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u8c03\u6574\u89c6\u9891\u7684\u5c3a\u5bf8\u6216\u65b9\u5411\u3002\u4e0b\u9762\u7684\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u5bf9\u89c6\u9891\u8fdb\u884c\u7f29\u653e\u548c\u65cb\u8f6c\u5904\u7406&#xff1a;\u200b<\/p>\n<p>\u200b<\/p>\n<p>TypeScript\u53d6\u6d88\u81ea\u52a8\u6362\u884c\u590d\u5236<\/p>\n<p>\u200b<\/p>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5b9e\u73b0\u4e86\u89c6\u9891\u7684\u7f29\u653e\u548c\u65cb\u8f6c\u53cc\u91cd\u5904\u7406\u3002\u7f29\u653e\u901a\u8fc7cv2.resize()\u5b9e\u73b0&#xff0c;\u5176\u4e2dinterpolation\u53c2\u6570\u6307\u5b9a\u4e86\u63d2\u503c\u65b9\u6cd5&#xff08;INTER_AREA\u9002\u5408\u7f29\u5c0f\u56fe\u50cf&#xff09;\u3002\u65cb\u8f6c\u5219\u901a\u8fc7cv2.getRotationMatrix2D()\u83b7\u53d6\u65cb\u8f6c\u77e9\u9635&#xff0c;\u518d\u7528cv2.warpAffine()\u6267\u884c\u4eff\u5c04\u53d8\u6362\u5b9e\u73b0\u3002\u200b<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f&#xff0c;\u5f53\u65cb\u8f6c\u89d2\u5ea6\u4e3a 90 \u6216 270 \u5ea6\u65f6&#xff0c;\u89c6\u9891\u7684\u5bbd\u9ad8\u4f1a\u53d1\u751f\u4ea4\u6362&#xff0c;\u56e0\u6b64\u9700\u8981\u76f8\u5e94\u5730\u8c03\u6574VideoWriter\u7684\u8f93\u51fa\u5c3a\u5bf8&#xff0c;\u4ee5\u907f\u514d\u51fa\u73b0\u9ed1\u8fb9\u3002\u200b<\/p>\n<p>\u89c6\u9891\u7279\u6548&#xff1a;\u521b\u9020\u89c6\u89c9\u51b2\u51fb\u529b\u200b<\/p>\n<p>\u9664\u4e86\u57fa\u7840\u5904\u7406\u5916&#xff0c;OpenCV \u8fd8\u53ef\u4ee5\u5b9e\u73b0\u5404\u79cd\u6709\u8da3\u7684\u89c6\u9891\u7279\u6548\u3002\u8fd9\u4e9b\u7279\u6548\u901a\u8fc7\u5bf9\u89c6\u9891\u5e27\u8fdb\u884c\u66f4\u590d\u6742\u7684\u5904\u7406\u5b9e\u73b0&#xff0c;\u80fd\u591f\u4e3a\u89c6\u9891\u589e\u6dfb\u72ec\u7279\u7684\u89c6\u89c9\u6548\u679c\u3002\u200b<\/p>\n<p>1. \u89c6\u9891\u53cd\u8272\u6548\u679c\u200b<\/p>\n<p>\u53cd\u8272\u6548\u679c\u662f\u5c06\u56fe\u50cf\u4e2d\u7684\u989c\u8272\u53cd\u8f6c&#xff0c;\u5373\u767d\u8272\u53d8\u9ed1\u8272\u3001\u7ea2\u8272\u53d8\u9752\u8272\u7b49&#xff0c;\u8fd9\u79cd\u6548\u679c\u5e38\u7528\u4e8e\u5f3a\u8c03\u56fe\u50cf\u7684\u8f6e\u5ed3\u548c\u7ec6\u8282&#xff1a;\u200b<\/p>\n<p>\u200b<\/p>\n<p>TypeScript\u53d6\u6d88\u81ea\u52a8\u6362\u884c\u590d\u5236<\/p>\n<p>\u200b<\/p>\n<p>\u53cd\u8272\u6548\u679c\u7684\u5b9e\u73b0\u975e\u5e38\u7b80\u5355&#xff0c;\u53ea\u9700\u7528 255 \u51cf\u53bb\u6bcf\u4e2a\u50cf\u7d20\u7684 BGR \u503c\u5373\u53ef&#xff08;\u56e0\u4e3a OpenCV \u4e2d\u56fe\u50cf\u9ed8\u8ba4\u4ee5 BGR \u683c\u5f0f\u5b58\u50a8&#xff09;\u3002\u4ee3\u7801\u4e2d\u540c\u6837\u4f7f\u7528np.hstack()\u5c06\u539f\u56fe\u548c\u5904\u7406\u540e\u7684\u56fe\u50cf\u5e76\u6392\u663e\u793a&#xff0c;\u65b9\u4fbf\u89c2\u5bdf\u6548\u679c\u5dee\u5f02\u3002\u200b<\/p>\n<p>2. \u89c6\u9891\u5361\u901a\u5316\u6548\u679c\u200b<\/p>\n<p>\u5361\u901a\u5316\u6548\u679c\u901a\u8fc7\u5f3a\u5316\u56fe\u50cf\u7684\u8fb9\u7f18\u548c\u7b80\u5316\u989c\u8272\u6765\u5b9e\u73b0\u7c7b\u4f3c\u5361\u901a\u753b\u7684\u89c6\u89c9\u6548\u679c&#xff0c;\u6df1\u53d7\u7528\u6237\u559c\u7231&#xff1a;\u200b<\/p>\n<p>\u200b<\/p>\n<p>TypeScript\u53d6\u6d88\u81ea\u52a8\u6362\u884c\u590d\u5236<\/p>\n<p>frame_height &#061; int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))\u200b<\/p>\n<p>fps &#061; cap.get(cv2.CAP_PROP_FPS)\u200b<\/p>\n<p>\u200b<\/p>\n<p>fourcc &#061; cv2.VideoWriter_fourcc(*&#039;mp4v&#039;)\u200b<\/p>\n<p>out &#061; cv2.VideoWriter(&#039;cartoon_video.mp4&#039;, fourcc, fps, (frame_width, frame_height))\u200b<\/p>\n<p>\u200b<\/p>\n<p>while cap.isOpened():\u200b<\/p>\n<p>ret, frame &#061; cap.read()\u200b<\/p>\n<p>if not ret:\u200b<\/p>\n<p>break\u200b<\/p>\n<p>\u200b<\/p>\n<p># \u5e94\u7528\u5361\u901a\u5316\u6548\u679c\u200b<\/p>\n<p>cartoon_frame &#061; cartoonize_frame(frame)\u200b<\/p>\n<p>\u200b<\/p>\n<p># \u663e\u793a\u5bf9\u6bd4\u6548\u679c\u200b<\/p>\n<p>combined &#061; np.hstack((frame, cartoon_frame))\u200b<\/p>\n<p>cv2.imshow(&#039;Original vs Cartoon&#039;, combined)\u200b<\/p>\n<p>\u200b<\/p>\n<p>out.write(cartoon_frame)\u200b<\/p>\n<p>\u200b<\/p>\n<p>if cv2.waitKey(1) &amp; 0xFF &#061;&#061; ord(&#039;q&#039;):\u200b<\/p>\n<p>break\u200b<\/p>\n<p>\u200b<\/p>\n<p>cap.release()\u200b<\/p>\n<p>out.release()\u200b<\/p>\n<p>cv2.destroyAllWindows()\u200b<\/p>\n<p>\u200b<\/p>\n<p>\u5361\u901a\u5316\u6548\u679c\u7684\u5b9e\u73b0\u5206\u4e3a\u4e09\u4e2a\u6b65\u9aa4&#xff1a;\u9996\u5148\u4f7f\u7528\u81ea\u9002\u5e94\u9608\u503c\u68c0\u6d4b\u56fe\u50cf\u8fb9\u7f18&#xff0c;\u5f97\u5230\u9ed1\u767d\u7684\u8fb9\u7f18\u63a9\u7801&#xff1b;\u7136\u540e\u4f7f\u7528\u53cc\u8fb9\u6ee4\u6ce2\u5bf9\u539f\u56fe\u8fdb\u884c\u6a21\u7cca\u5904\u7406&#xff0c;\u540c\u65f6\u4fdd\u6301\u8fb9\u7f18\u6e05\u6670&#xff0c;\u4ece\u800c\u7b80\u5316\u989c\u8272&#xff1b;\u6700\u540e\u5c06\u8fb9\u7f18\u63a9\u7801\u4e0e\u5904\u7406\u540e\u7684\u989c\u8272\u56fe\u50cf\u8fdb\u884c\u6309\u4f4d\u4e0e\u8fd0\u7b97&#xff0c;\u5f97\u5230\u5361\u901a\u5316\u6548\u679c\u3002\u200b<\/p>\n<p>3. \u6162\u52a8\u4f5c\u4e0e\u5feb\u8fdb\u6548\u679c\u200b<\/p>\n<p>\u901a\u8fc7\u6539\u53d8\u89c6\u9891\u7684\u64ad\u653e\u901f\u5ea6&#xff0c;\u53ef\u4ee5\u5b9e\u73b0\u6162\u52a8\u4f5c\u6216\u5feb\u8fdb\u6548\u679c\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u5e27\u7387\u6216\u8df3\u5e27\u6765\u5b9e\u73b0&#xff1a;\u200b<\/p>\n<p>\u200b<\/p>\n<p>TypeScript\u53d6\u6d88\u81ea\u52a8\u6362\u884c\u590d\u5236<\/p>\n<p>import cv2\u200b<\/p>\n<p>\u200b<\/p>\n<p>def change_video_speed(input_path, output_path, speed_factor):\u200b<\/p>\n<p>&#034;&#034;&#034;\u200b<\/p>\n<p>\u6539\u53d8\u89c6\u9891\u64ad\u653e\u901f\u5ea6\u200b<\/p>\n<p>:param input_path: \u8f93\u5165\u89c6\u9891\u8def\u5f84\u200b<\/p>\n<p>:param output_path: \u8f93\u51fa\u89c6\u9891\u8def\u5f84\u200b<\/p>\n<p>:param speed_factor: \u901f\u5ea6\u56e0\u5b50&#xff0c;&gt;1\u8868\u793a\u5feb\u8fdb&#xff0c;&lt;1\u8868\u793a\u6162\u52a8\u4f5c\u200b<\/p>\n<p>&#034;&#034;&#034;\u200b<\/p>\n<p>cap &#061; cv2.VideoCapture(input_path)\u200b<\/p>\n<p>\u200b<\/p>\n<p>frame_width &#061; int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))\u200b<\/p>\n<p>frame_height &#061; int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))\u200b<\/p>\n<p>original_fps &#061; cap.get(cv2.CAP_PROP_FPS)\u200b<\/p>\n<p>\u200b<\/p>\n<p># \u6839\u636e\u901f\u5ea6\u56e0\u5b50\u8c03\u6574\u5e27\u7387\u200b<\/p>\n<p>new_fps &#061; original_fps * speed_factor\u200b<\/p>\n<p>\u200b<\/p>\n<p>fourcc &#061; cv2.VideoWriter_fourcc(*&#039;mp4v&#039;)\u200b<\/p>\n<p>out &#061; cv2.VideoWriter(output_path, fourcc, new_fps, (frame_width, frame_height))\u200b<\/p>\n<p>\u200b<\/p>\n<p>frame_count &#061; 0\u200b<\/p>\n<p>while cap.isOpened():\u200b<\/p>\n<p>ret, frame &#061; cap.read()\u200b<\/p>\n<p>if not ret:\u200b<\/p>\n<p>break\u200b<\/p>\n<p>\u200b<\/p>\n<p>\u200b<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb508\u6b21\uff0c\u70b9\u8d5e25\u6b21\uff0c\u6536\u85cf4\u6b21\u3002\u89c6\u9891\u672c\u8d28\u4e0a\u662f\u7531\u4e00\u7cfb\u5217\u8fde\u7eed\u7684\u9759\u6001\u56fe\u50cf\uff08\u5e27\uff09\u7ec4\u6210\u7684\u5e8f\u5217\uff0c\u8fd9\u4e9b\u5e27\u4ee5\u4e00\u5b9a\u7684\u901f\u7387\uff08\u5e27\u7387\uff09\u8fde\u7eed\u64ad\u653e\uff0c\u4ece\u800c\u5f62\u6210\u89c6\u89c9\u4e0a\u7684\u52a8\u6001\u6548\u679c\u3002OpenCV \u5904\u7406\u89c6\u9891\u7684\u57fa\u672c\u539f\u7406\uff0c\u5c31\u662f\u5c06\u89c6\u9891\u6d41\u62c6\u5206\u4e3a\u4e00\u5e27\u5e27\u7684\u56fe\u50cf\uff0c\u7136\u540e\u5229\u7528\u5176\u5f3a\u5927\u7684\u56fe\u50cf\u5904\u7406\u80fd\u529b\u5bf9\u5355\u5e27\u6216\u591a\u5e27\u8fdb\u884c\u64cd\u4f5c\uff0c\u6700\u540e\u518d\u5c06\u5904\u7406\u540e\u7684\u5e27\u91cd\u65b0\u7ec4\u5408\u6210\u89c6\u9891\u6d41\u3002\u6700\u540e\u5728\u9000\u51fa\u65f6\u91ca\u653e\u8d44\u6e90\u3002\u5229\u7528 Canny \u8fb9\u7f18\u68c0\u6d4b\u7b97\u6cd5\u5bf9\u89c6\u9891\u5e27\u8fdb\u884c\u5904\u7406\uff0c\u53ef\u4ee5\u63d0\u53d6\u51fa\u89c6\u9891\u4e2d\u7684\u8f6e\u5ed3\u4fe1\u606f\uff0c\u8fd9\u5728\u8fd0\u52a8\u5206\u6790\u7b49\u573a\u666f\u4e2d\u975e\u5e38\u6709\u7528\uff1a\u200b\u3002\u5c06\u5f69\u8272\u89c6\u9891\u8f6c\u4e3a\u7070\u5ea6\u89c6\u9891\u662f\u6700\u57fa\u7840\u7684\u89c6\u9891\u5904\u7406\u64cd\u4f5c\u4e4b\u4e00\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9700\u8981\u7b80\u5316\u56fe\u50cf\u6570\u636e\u7684\u573a\u666f\uff08\u5982\u4eba\u8138\u8bc6\u522b\u9884\u5904\u7406\uff09\uff1a\u200b\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1460,81],"topic":[],"class_list":["post-57721","post","type-post","status-publish","format-standard","hentry","category-server","tag-opencv","tag-python"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OpenCV \u89c6\u9891\u5904\u7406\u5168\u89e3\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/57721.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"OpenCV \u89c6\u9891\u5904\u7406\u5168\u89e3\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb508\u6b21\uff0c\u70b9\u8d5e25\u6b21\uff0c\u6536\u85cf4\u6b21\u3002\u89c6\u9891\u672c\u8d28\u4e0a\u662f\u7531\u4e00\u7cfb\u5217\u8fde\u7eed\u7684\u9759\u6001\u56fe\u50cf\uff08\u5e27\uff09\u7ec4\u6210\u7684\u5e8f\u5217\uff0c\u8fd9\u4e9b\u5e27\u4ee5\u4e00\u5b9a\u7684\u901f\u7387\uff08\u5e27\u7387\uff09\u8fde\u7eed\u64ad\u653e\uff0c\u4ece\u800c\u5f62\u6210\u89c6\u89c9\u4e0a\u7684\u52a8\u6001\u6548\u679c\u3002OpenCV \u5904\u7406\u89c6\u9891\u7684\u57fa\u672c\u539f\u7406\uff0c\u5c31\u662f\u5c06\u89c6\u9891\u6d41\u62c6\u5206\u4e3a\u4e00\u5e27\u5e27\u7684\u56fe\u50cf\uff0c\u7136\u540e\u5229\u7528\u5176\u5f3a\u5927\u7684\u56fe\u50cf\u5904\u7406\u80fd\u529b\u5bf9\u5355\u5e27\u6216\u591a\u5e27\u8fdb\u884c\u64cd\u4f5c\uff0c\u6700\u540e\u518d\u5c06\u5904\u7406\u540e\u7684\u5e27\u91cd\u65b0\u7ec4\u5408\u6210\u89c6\u9891\u6d41\u3002\u6700\u540e\u5728\u9000\u51fa\u65f6\u91ca\u653e\u8d44\u6e90\u3002\u5229\u7528 Canny \u8fb9\u7f18\u68c0\u6d4b\u7b97\u6cd5\u5bf9\u89c6\u9891\u5e27\u8fdb\u884c\u5904\u7406\uff0c\u53ef\u4ee5\u63d0\u53d6\u51fa\u89c6\u9891\u4e2d\u7684\u8f6e\u5ed3\u4fe1\u606f\uff0c\u8fd9\u5728\u8fd0\u52a8\u5206\u6790\u7b49\u573a\u666f\u4e2d\u975e\u5e38\u6709\u7528\uff1a\u200b\u3002\u5c06\u5f69\u8272\u89c6\u9891\u8f6c\u4e3a\u7070\u5ea6\u89c6\u9891\u662f\u6700\u57fa\u7840\u7684\u89c6\u9891\u5904\u7406\u64cd\u4f5c\u4e4b\u4e00\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9700\u8981\u7b80\u5316\u56fe\u50cf\u6570\u636e\u7684\u573a\u666f\uff08\u5982\u4eba\u8138\u8bc6\u522b\u9884\u5904\u7406\uff09\uff1a\u200b\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/57721.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-15T10:30:02+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta 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