{"id":74904,"date":"2026-02-10T22:17:10","date_gmt":"2026-02-10T14:17:10","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/74904.html"},"modified":"2026-02-10T22:17:10","modified_gmt":"2026-02-10T14:17:10","slug":"opencv%e8%ae%a1%e7%ae%97%e6%9c%ba%e8%a7%86%e8%a7%89-%e6%a8%a1%e6%9d%bf%e5%8c%b9%e9%85%8d%e7%89%a9%e4%bd%93%e8%b7%9f%e8%b8%aa","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/74904.html","title":{"rendered":"opencv\u8ba1\u7b97\u673a\u89c6\u89c9--\u6a21\u677f\u5339\u914d&amp;\u7269\u4f53\u8ddf\u8e2a"},"content":{"rendered":"<h4>\u4e00\u3001\u6a21\u677f\u5339\u914d<\/h4>\n<p>cv2.matchTemplate(image, templ, method)<\/p>\n<p>image:\u5f85\u641c\u7d22\u56fe\u50cf<\/p>\n<p>templ:\u6a21\u677f\u56fe\u50cf<\/p>\n<p>method:\u8ba1\u7b97\u5339\u914d\u7a0b\u5ea6\u7684\u65b9\u6cd5:<\/p>\n<p>TM_SQDIFF\u5e73\u65b9\u5dee\u5339\u914d\u6cd5:\u8be5\u65b9\u6cd5\u91c7\u7528\u5e73\u65b9\u5dee\u6765\u8fdb\u884c\u5339\u914d;\u5339\u914d\u8d8a\u597d&#xff0c;\u503c\u8d8a\u5c0f;\u5339\u914d\u8d8a\u5dee&#xff0c;\u503c\u8d8a\u5927\u3002<\/p>\n<p>TM_CCORR\u76f8\u5173\u5339\u914d\u6cd5:\u8be5\u65b9\u6cd5\u91c7\u7528\u4e58\u6cd5\u64cd\u4f5c;\u6570\u503c\u8d8a\u5927\u8868\u660e\u5339\u914d\u7a0b\u5ea6\u8d8a\u597d\u3002<\/p>\n<p>TM_CCOEFF\u76f8\u5173\u7cfb\u6570\u5339\u914d\u6cd5:\u6570\u503c\u8d8a\u5927\u8868\u660e\u5339\u914d\u7a0b\u5ea6\u8d8a\u597d\u3002<\/p>\n<p>TM_SQDIFF_NORMED\u5f52\u4e00\u5316\u5e73\u65b9\u5dee\u5339\u914d\u6cd5&#xff0c;\u5339\u914d\u8d8a\u597d&#xff0c;\u503c\u8d8a\u5c0f;\u5339\u914d\u8d8a\u5dee&#xff0c;\u503c\u8d8a\u5927\u3002<\/p>\n<p>TM_CCORR_NORMED\u5f52\u4e00\u5316\u76f8\u5173\u5339\u914d\u6cd5&#xff0c;\u6570\u503c\u8d8a\u5927\u8868\u660e\u5339\u914d\u7a0b\u5ea6\u8d8a\u597d\u3002<\/p>\n<p>TM_CCOEFF_NORMED \u5f52\u4e00\u5316\u76f8\u5173\u7cfb\u6570\u5339\u914d\u6cd5&#xff0c;\u6570\u503c\u8d8a\u5927\u8868\u660e\u5339\u914d\u7a0b\u5ea6\u8d8a\u597d\u3002<\/p>\n<h5>\u76f8\u5173\u4ee3\u7801<\/h5>\n<p>import cv2<\/p>\n<p># \u8bfb\u53d6\u56fe\u50cf<br \/>\nkele &#061; cv2.imread(&#039;kele.png&#039;)<br \/>\nkele&#061;cv2.resize(kele,dsize&#061;None,fx&#061;1.5,fy&#061;1.5)<br \/>\ntubiao &#061; cv2.imread(&#039;tubiao.png&#039;)<br \/>\ntubiao&#061;cv2.resize(tubiao,dsize&#061;None,fx&#061;1.5,fy&#061;1.5)<br \/>\ncv2.imshow(&#039;kele&#039;, kele)<br \/>\ncv2.waitKey(0)<br \/>\ncv2.imshow(&#039;tubiao&#039;, tubiao)<br \/>\ncv2.waitKey(0)<br \/>\nh, w &#061; tubiao.shape[:2]  # \u83b7\u53d6\u6a21\u677f\u56fe\u50cf\u7684\u9ad8\u5ea6\u548c\u5bbd\u5ea6<\/p>\n<p># \u4f7f\u7528\u6a21\u677f\u5339\u914d\u65b9\u6cd5<br \/>\nres &#061; cv2.matchTemplate(kele, tubiao, cv2.TM_CCOEFF_NORMED)<\/p>\n<p>min_val, max_val, min_loc, max_loc &#061; cv2.minMaxLoc(res)<br \/>\n# min_val&#xff1a;\u6700\u5c0f\u5339\u914d\u503c<br \/>\n# max_val&#xff1a;\u6700\u5927\u5339\u914d\u503c&#xff08;\u6700\u5339\u914d\u7684\u4f4d\u7f6e&#xff09;<br \/>\n# min_loc&#xff1a;\u6700\u5c0f\u5339\u914d\u503c\u7684\u4f4d\u7f6e\u5750\u6807<br \/>\n# max_loc&#xff1a;\u6700\u5927\u5339\u914d\u503c\u7684\u4f4d\u7f6e\u5750\u6807&#xff08;\u6700\u4f73\u5339\u914d\u4f4d\u7f6e&#xff09;<\/p>\n<p>top_left &#061; max_loc<br \/>\nbottom_right &#061; (top_left[0] &#043; w, top_left[1] &#043; h)  <\/p>\n<p>kele_tubiao &#061; cv2.rectangle(kele, top_left, bottom_right, (0, 255, 0), 2)<br \/>\ncv2.imshow(&#039;kele_tubiao&#039;, kele_tubiao)<br \/>\ncv2.waitKey(0)<br \/>\ncv2.destroyAllWindows()<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"1020\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260210141707-698b3de3aafb8.png\" width=\"1920\" \/><\/p>\n<p>\u6ce8&#xff1a;\u6a21\u677f\u7684\u5927\u5c0f&#xff0c;\u8981\u548c\u56fe\u5f62\u4e2d\u7684\u6240\u5bf9\u5e94\u6a21\u677f\u5927\u5c0f\u76f8\u540c<\/p>\n<h4>\u4e8c\u3001\u7269\u4f53\u8ddf\u8e2a<\/h4>\n<h5>1\u3001\u6982\u5ff5<\/h5>\n<p>\u7269\u4f53\u8ddf\u8e2a\u662f\u8ba1\u7b97\u673a\u89c6\u89c9\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u4efb\u52a1&#xff0c;\u6307\u5728\u89c6\u9891\u5e8f\u5217\u4e2d\u6301\u7eed\u5b9a\u4f4d\u548c\u8ffd\u8e2a\u7279\u5b9a\u76ee\u6807\u5bf9\u8c61\u7684\u4f4d\u7f6e\u3002\u5b83\u4e0d\u540c\u4e8e\u7269\u4f53\u68c0\u6d4b&#xff08;\u6bcf\u5e27\u72ec\u7acb\u68c0\u6d4b&#xff09;&#xff0c;\u8ddf\u8e2a\u9700\u8981\u7ef4\u62a4\u76ee\u6807\u7684\u8eab\u4efd\u4fe1\u606f&#xff0c;\u5728\u8fde\u7eed\u7684\u5e27\u4e2d\u8ddf\u968f\u540c\u4e00\u4e2a\u76ee\u6807\u3002<\/p>\n<h5>2\u3001\u5b9e\u9645\u8fd0\u7528<\/h5>\n<h6>1.\u00a0\u521b\u5efa\u8ddf\u8e2a\u5668<\/h6>\n<p>tracker &#061; cv2.TrackerCSRT_create()<\/p>\n<ul>\n<li>\n<p>cv2.TrackerCSRT_create(): \u521b\u5efa CSRT \u8ddf\u8e2a\u5668<\/p>\n<\/li>\n<li>\n<p>OpenCV \u63d0\u4f9b\u4e86\u591a\u79cd\u8ddf\u8e2a\u7b97\u6cd5&#xff1a;<\/p>\n<ul>\n<li>\n<p>TrackerCSRT_create(): \u9ad8\u7cbe\u5ea6&#xff0c;\u901f\u5ea6\u8f83\u6162<\/p>\n<\/li>\n<li>\n<p>TrackerKCF_create(): \u5e73\u8861\u7cbe\u5ea6\u548c\u901f\u5ea6<\/p>\n<\/li>\n<li>\n<p>TrackerMOSSE_create(): \u901f\u5ea6\u6700\u5feb&#xff0c;\u7cbe\u5ea6\u8f83\u4f4e<\/p>\n<\/li>\n<li>\n<p>TrackerMIL_create(): \u4e2d\u7b49\u6027\u80fd<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h6>2.\u00a0\u9009\u62e9\u76ee\u6807\u533a\u57df<\/h6>\n<p>roi &#061; cv2.selectROI(windowName&#061;&#039;Tracking&#039;, img&#061;frame, showCrosshair&#061;False)<\/p>\n<ul>\n<li>\n<p>cv2.selectROI(): \u8ba9\u7528\u6237\u5728\u56fe\u50cf\u4e0a\u9009\u62e9\u77e9\u5f62\u533a\u57df<\/p>\n<\/li>\n<li>\n<p>\u53c2\u6570&#xff1a;<\/p>\n<ul>\n<li>\n<p>windowName: \u7a97\u53e3\u540d\u79f0<\/p>\n<\/li>\n<li>\n<p>img: \u8981\u9009\u62e9ROI\u7684\u56fe\u50cf<\/p>\n<\/li>\n<li>\n<p>showCrosshair: \u662f\u5426\u663e\u793a\u5341\u5b57\u51c6\u7ebf<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8fd4\u56de\u503c&#xff1a;(x, y, width, height)\u00a0\u5143\u7ec4<\/p>\n<\/li>\n<\/ul>\n<h6>3.\u00a0\u521d\u59cb\u5316\u8ddf\u8e2a\u5668<\/h6>\n<p>tracker.init(frame, roi)<\/p>\n<ul>\n<li>\n<p>tracker.init(): \u7528\u7b2c\u4e00\u5e27\u548c\u521d\u59cb\u8fb9\u754c\u6846\u521d\u59cb\u5316\u8ddf\u8e2a\u5668<\/p>\n<\/li>\n<li>\n<p>\u53c2\u6570&#xff1a;<\/p>\n<ul>\n<li>\n<p>frame: \u7b2c\u4e00\u5e27\u56fe\u50cf<\/p>\n<\/li>\n<li>\n<p>roi: \u521d\u59cb\u8fb9\u754c\u6846<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h6>4.\u00a0\u66f4\u65b0\u8ddf\u8e2a\u5668<\/h6>\n<p>success, box &#061; tracker.update(frame)<\/p>\n<ul>\n<li>\n<p>tracker.update(): \u5728\u540e\u7eed\u5e27\u4e2d\u66f4\u65b0\u8ddf\u8e2a\u5668<\/p>\n<\/li>\n<li>\n<p>\u53c2\u6570&#xff1a;\u5f53\u524d\u5e27\u56fe\u50cf<\/p>\n<\/li>\n<li>\n<p>\u8fd4\u56de\u503c&#xff1a;<\/p>\n<ul>\n<li>\n<p>success: \u5e03\u5c14\u503c&#xff0c;\u8ddf\u8e2a\u662f\u5426\u6210\u529f<\/p>\n<\/li>\n<li>\n<p>box: \u8ddf\u8e2a\u5230\u7684\u8fb9\u754c\u6846\u00a0(x, y, width, height)<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h6>5.\u00a0\u7ed8\u5236\u8ddf\u8e2a\u7ed3\u679c<\/h6>\n<p>cv2.rectangle(frame, pt1&#061;(x, y), pt2&#061;(x &#043; w, y &#043; h), color&#061;(0, 255, 0), thickness&#061;2)<\/p>\n<ul>\n<li>\n<p>\u5728\u8ddf\u8e2a\u5230\u7684\u4f4d\u7f6e\u4e0a\u7ed8\u5236\u7eff\u8272\u77e9\u5f62\u6846<\/p>\n<\/li>\n<\/ul>\n<h5>\u5b8c\u6574\u4ee3\u7801<\/h5>\n<p>import cv2<br \/>\n# \u521b\u5efa\u4e00\u4e2aCSRT\u8ddf\u8e2a\u5668\u5b9e\u4f8b<br \/>\ntracker &#061; cv2.TrackerCSRT_create()<br \/>\n# \u8ddf\u8e2a\u6807\u5fd7&#xff0c;\u9ed8\u8ba4\u4e3aFalse<br \/>\ntracking &#061; False<br \/>\n# \u6253\u5f00\u9ed8\u8ba4\u6444\u50cf\u5934&#xff08;\u901a\u5e38\u7f16\u53f7\u4e3a0&#xff09;<br \/>\ncap &#061; cv2.VideoCapture(0)<br \/>\nwhile True:<br \/>\n    # \u4ece\u6444\u50cf\u5934\u8bfb\u53d6\u4e00\u5e27\u56fe\u50cf<br \/>\n    ret, frame &#061; cap.read()<br \/>\n    # \u5982\u679c\u6ca1\u6709\u6b63\u786e\u8bfb\u53d6\u5230\u56fe\u50cf&#xff0c;\u5219\u9000\u51fa\u5faa\u73af<br \/>\n    if not ret:<br \/>\n        break<br \/>\n    # \u68c0\u67e5\u662f\u5426\u6709\u6309\u952e\u88ab\u6309\u4e0b&#xff0c;\u5982\u679c\u662f&#039;a&#039;\u952e&#xff0c;\u5219\u8bbe\u7f6e\u8ddf\u8e2a\u6807\u5fd7\u4e3aTrue&#xff0c;\u5e76\u9009\u62e9ROI<br \/>\n    if cv2.waitKey(1) &#061;&#061; ord(&#039;s&#039;):<br \/>\n        tracking &#061; True<br \/>\n        # \u8ba9\u7528\u6237\u5728\u5f53\u524d\u5e27\u4e2d\u9009\u62e9\u4e00\u4e2a\u77e9\u5f62\u533a\u57df\u4f5c\u4e3a\u8981\u8ddf\u8e2a\u7684\u5bf9\u8c61<br \/>\n        roi &#061; cv2.selectROI(windowName&#061;&#039;Tracking&#039;, img&#061;frame, showCrosshair&#061;False)  # \u662f\u5426\u663e\u793a\u5341\u5b57\u7ebf<br \/>\n        # \u521d\u59cb\u5316\u8ddf\u8e2a\u5668&#xff0c;\u4f20\u5165\u5f53\u524d\u5e27\u548c\u9009\u5b9a\u7684ROI<br \/>\n        tracker.init(frame, roi)<br \/>\n    # \u5982\u679c\u8ddf\u8e2a\u6807\u5fd7\u4e3aTrue&#xff0c;\u5219\u66f4\u65b0\u8ddf\u8e2a\u5668<br \/>\n    if tracking:<br \/>\n        success, box &#061; tracker.update(frame)<br \/>\n        # \u5982\u679c\u8ddf\u8e2a\u6210\u529f&#xff0c;\u83b7\u53d6\u5bf9\u8c61\u7684\u4f4d\u7f6e<br \/>\n        if success:<br \/>\n            x, y, w, h &#061; [int(v) for v in box]  # \u786e\u4fdd\u6240\u6709\u5750\u6807\u90fd\u662f\u6574\u6570<br \/>\n            # \u5728frame\u4e0a\u7ed8\u5236\u77e9\u5f62\u6846\u4ee5\u663e\u793a\u8ddf\u8e2a\u7ed3\u679c<br \/>\n            cv2.rectangle(frame, pt1&#061;(x, y), pt2&#061;(x &#043; w, y &#043; h), color&#061;(0, 255, 0), thickness&#061;2)<br \/>\n    # \u663e\u793a\u5904\u7406\u540e\u7684\u5e27<br \/>\n    cv2.imshow(&#039;Tracking&#039;,frame)<br \/>\n    # \u68c0\u67e5\u662f\u5426\u6309\u4e0bESC\u952e&#xff08;ASCII\u780127&#xff09;&#xff0c;\u5982\u679c\u6309\u4e0b\u5219\u9000\u51fa\u5faa\u73af<br \/>\n    if cv2.waitKey(1) &#061;&#061; 27:<br \/>\n        break<br \/>\n# \u91ca\u653e\u6444\u50cf\u5934\u8d44\u6e90<br \/>\ncap.release()<br \/>\n# \u5173\u95ed\u6240\u6709OpenCV\u521b\u5efa\u7684\u7a97\u53e3<br \/>\ncv2.destroyAllWindows()<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"634\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260210141708-698b3de4cf0bd.png\" width=\"800\" \/><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u6a21\u677f\u5339\u914dcv2.matchTemplate(image, templ, method)image:\u5f85\u641c\u7d22\u56fe\u50cftempl:\u6a21\u677f\u56fe\u50cfmethod:\u8ba1\u7b97\u5339\u914d\u7a0b\u5ea6\u7684\u65b9\u6cd5:TM_SQDIFF\u5e73\u65b9\u5dee\u5339\u914d\u6cd5:\u8be5\u65b9\u6cd5\u91c7\u7528\u5e73\u65b9\u5dee\u6765\u8fdb\u884c\u5339\u914d;\u5339\u914d\u8d8a\u597d&#xff0c;\u503c\u8d8a\u5c0f;\u5339\u914d\u8d8a\u5dee&#xff0c;\u503c\u8d8a\u5927\u3002TM_CCORR\u76f8\u5173\u5339\u914d\u6cd5:\u8be5\u65b9\u6cd5\u91c7\u7528\u4e58\u6cd5\u64cd\u4f5c;\u6570\u503c\u8d8a\u5927\u8868\u660e\u5339\u914d\u7a0b\u5ea6\u8d8a\u597d\u3002TM_CCOEFF\u76f8\u5173\u7cfb\u6570\u5339\u914d\u6cd5:\u6570\u503c\u8d8a\u5927\u8868\u660e\u5339\u914d\u7a0b\u5ea6\u8d8a\u597d\u3002TM_SQDIFF_NORMED\u5f52\u4e00\u5316\u5e73\u65b9\u5dee\u5339\u914d\u6cd5&amp;#x<\/p>\n","protected":false},"author":2,"featured_media":74902,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[7930,7931,7932,1460,81,50,523],"topic":[],"class_list":["post-74904","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-7930","tag-7931","tag-7932","tag-opencv","tag-python","tag-50","tag-523"],"yoast_head":"<!-- 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