{"id":63,"date":"2024-08-19T15:43:32","date_gmt":"2024-08-19T07:43:32","guid":{"rendered":"http:\/\/47.115.144.90\/?p=63"},"modified":"2024-09-29T01:15:49","modified_gmt":"2024-09-28T17:15:49","slug":"opencv%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/www.luisss.top\/index.php\/2024\/08\/19\/opencv%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0\/","title":{"rendered":"OPENCV\u5b66\u4e60\u7b14\u8bb0"},"content":{"rendered":"\n

anaconda\u5b89\u88c5<\/strong><\/p>\n\n\n\n

\u6211\u4eec\u5b66\u4e60opencv\u4e4b\u524d\uff0c\u9700\u8981\u4e86\u89e3\u4e00\u4e0bpython\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Anaconda\u6765\u8fdb\u4e00\u6b65\u5b66\u4e60<\/p>\n\n\n\n

https:\/\/mirrors.tuna.tsinghua.edu.cn\/anaconda\/archive<\/a>\u8fd9\u91cc\u653e\u4e00\u4e2a\u4e0b\u8f7d\u94fe\u63a5<\/p>\n\n\n\n

\u4e0b\u8f7d Anaconda3-5.1.0-Windows-x86_64.exe \u5bf9\u5e94python\u7248\u672c python3.6.3<\/p>\n\n\n\n

anaconda\uff0c\u8fd9\u76f8\u5f53\u4e8e\u4e00\u4e2a\u5168\u5bb6\u6876\uff0c\u91cc\u9762\u914d\u7f6e\u597d\u4e86\u5f88\u591a\u4e1c\u897f\uff0c\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n\n\n\n

\u8fd9\u91cc\u4e5f\u63a8\u8350\u4e00\u4e2ab\u7ad9\u6559\u5b66\u89c6\u9891\uff0cBV1PV411774\u3002<\/p>\n\n\n\n

\u8fd9\u662f\u6211\u65b0\u627e\u7684\u4e00\u4e2a\u8bfe\u7a0b \u4e5f\u633a\u597d https:\/\/www.bilibili.com\/cheese\/play\/ep564845?csource=private_infomercial_null_null&msource=cps_comments_385820544&from=&track_id=__BGMT__&pagetype=payback<\/a><\/p>\n\n\n\n

\u8fd9\u91cc\u987a\u4fbf\u5199\u4e00\u4e0b\u5b89\u88c5\u6b65\u9aa4\uff0c\u8fd9\u91cc\u8bb0\u5f97\u52fe\u9009\u7b2c\u4e8c\u4e2a\u9009\u9879<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u6dfb\u52a0\u4e00\u4e0b\u7cfb\u7edf\u53d8\u91cf\uff0c\u5728\u542f\u52a8\u83dc\u5355\u91cc\u9762\u641c\u4e0b<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

\u6dfb\u52a0\u5b8c\u540e\u786e\u5b9a\u4fdd\u5b58\uff0c\u7136\u540e\u518d\u6539\u4e00\u4e0b\u7cfb\u7edf\u6e90\uff0c\u6253\u5f00anaconda prompt\u547d\u4ee4\u884c\u8f93\u5165\uff0c\u6362\u4e86\u6e90\u540e\u9762\u4e0b\u8f7d\u4f1a\u53d8\u5feb\u7684<\/p>\n\n\n\n

conda config --add channels https:\/\/mirrors.tuna.tsinghua.edu.cn\/anaconda\/pkgs\/free\/\nconda config --add channels https:\/\/mirrors.tuna.tsinghua.edu.cn\/anaconda\/pkgs\/main\/\nconda config --set show_channel_urls yes<\/code><\/pre>\n\n\n\n

\u8fd9\u91cc\u53ef\u4ee5\u8f93\u5165cd +anaconda\u76ee\u5f55\u5730\u5740\u770b\u4e00\u4e0b\u5185\u90e8\u7ed3\u6784\uff08dir\u547d\u4ee4\uff09<\/p>\n\n\n\n
\u8f93\u5165pyhton\u4e5f\u53ef\u4ee5\u67e5\u770b\u5f53\u524d\u7248\u672c<\/p>\n\n\n\n
cd Scripts <\/code><\/pre>\n\n\n\n
\u8fd9\u4e2a\u547d\u4ee4\u53ef\u4ee5\u8fdb\u5165anaconda\u63d2\u4ef6\u5de5\u5177\u5e93\uff0c\u91cc\u9762\u662f\u6211\u4eec\u7ecf\u5e38\u4f7f\u7528\u7684\u4e00\u4e9b\u4e1c\u897f<\/p>\n\n\n\n
\u6211\u4eec\u6765\u5b89\u88c5\u4e00\u4e0bopencv\u9700\u8981\u7684\u4e00\u4e9b\u5e93\uff0c\u8fd9\u91cc\u75283.4.1.5\u7684\u7248\u672c\uff0c\u540e\u9762\u7248\u672c\u4f1a\u6709\u70b9\u95ee\u9898\uff0c\u8fd9\u91cc\u4e0d\u8981\u81ea\u5df1\u5728\u7b49\u53f7\u5468\u56f4\u52a0\u7a7a\u683c\uff0c\u4f1a\u62a5\u9519!<\/p>\n\n\n\n
pip install opencv-python==3.4.1.15<\/code><\/pre>\n\n\n\n
\n
\n
\"\"<\/div><\/figure>\n<\/div>\n<\/div>\n\n\n\n
\u9ec4\u8272\u7684\u53ef\u4ee5\u5148\u4e0d\u7528\u7ba1\uff0c\u5347\u7ea7\u4e86\u4e4b\u540e\u5f88\u9ebb\u70e6\uff0c\u4e4b\u540e\u8f93\u5165\u8fd4\u56de\u4e0a\u4e00\u7ea7\u76ee\u5f55\uff0c\u4e0d\u8981\u65e0\u8111\u624b\u52a8\u590d\u5236\u54c8<\/p>\n\n\n\n
(base) C:\\Anaconda3>python\nPython 3.6.4 |Anaconda, Inc.| (default, Jan 16 2018, 10:22:32) [MSC v.1900 64 bit (AMD64)] on win32\nType \"help\", \"copyright\", \"credits\" or \"license\" for more information.\n>>> import cv2\n>>> cv2.__version__\n'3.4.1'<\/code><\/pre>\n\n\n\n
\u5982\u679c\u8fd9\u6837\uff0c\u8bf4\u660e\u5b89\u88c5OpenCV\u6210\u529f\u4e86\u3002<\/p>\n\n\n\n
\u63a5\u4e0b\u6765\u7ee7\u7eed\u88c5\u4e00\u4e0b\u6269\u5c55\u5305\uff0c\u540c\u4e0a<\/p>\n\n\n\n
pip install opencv-contrib-python==3.4.1.15<\/code><\/pre>\n\n\n\n
\u8fd9\u4e0bopencv\u5168\u90e8\u5b89\u88c5\u597d\u4e86\u3002<\/p>\n\n\n\n
anaconda\u8f6f\u4ef6\u5185\u7f6e\u4e86\u5f88\u591a\u5173\u4e8epython\u7684\u5b66\u4e60\u8f6f\u4ef6\uff0c\u50cfJupyter Notebook\uff0c\u5728\u6570\u636e\u6316\u6398\u7ade\u8d5b\u4e2d\u5e38\u5e38\u7528\u5230\u3002<\/p>\n\n\n\n
\u70b9\u51fb\u6253\u5f00jupyter\u540e\u51fa\u73b0\u9ed1\u7a97\u5982\u4e0b\uff0c\u8fd9\u91cc\u5570\u55e6\u4e00\u53e5\u9898\u5916\u8bdd\uff0c\u5f00\u59cb\u88c5\u7535\u8111\u65f6\uff0c\u5343\u4e07\u4e0d\u8981\u5c06\u7535\u8111\u7528\u6237\u540d\u8bbe\u7f6e\u4e2d\u6587\uff0c\u540e\u9762\u7528\u4e00\u4e9b\u8f6f\u4ef6\u4f1a\u5341\u5206\u9ebb\u70e6\u3002\u3002\u3002\u3002<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u8fd9\u91cc\u6253\u7801\u90e8\u5206\u662f\u5bc6\u7801\uff0c\u6709\u65f6\u5019\u8981\u7f51\u7ad9\u8f93\u5165\u5bc6\u7801\uff0c\u4e0b\u9762\u5c31\u662fjupyter\u8fdb\u5165\u4e3b\u9875\u9762\u4e86\uff0c\u53ef\u4ee5\u65b0\u5efapython\u8bd5\u4e00\u8bd5<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u8fd9\u91cc\u5206\u4eab\u4e00\u4e0b\u89c6\u9891\u5b66\u4e60\u8bfe\u4ef6<\/p>\n\n\n\n
https:\/\/pan.baidu.com\/s\/1OuPl4yNUbwfV_zKpiTiqXw<\/a> \u5bc6\u7801evby<\/p>\n\n\n\n
\u5173\u4e8e\u4e0a\u4f20\u538b\u7f29\u5305\u89e3\u538b\u8fd9\u4ef6\u4e8b\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u89e3\u538b\u4e2d\u6587\u4e71\u7801\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u81ea\u884c\u624b\u52a8\u590d\u5236\u6587\u4ef6\u5230\u76ee\u5f55\u4e0b<\/p>\n\n\n\n
\u5173\u4e8eide \u89c6\u5c4f\u4e2d\u7528\u7684\u662feclipse\uff0c\u6559\u7a0b\u5c31\u5c55\u793aeclipse\u7684\u6559\u7a0b\u4e86<\/p>\n\n\n\n
https:\/\/www.eclipse.org<\/a> \u8fd9\u662f\u5b89\u88c5\u7684\u5b98\u7f51\u94fe\u63a5\uff0c\u5728\u53f3\u4e0a\u89d2download\u540e\u9009\u62e9\u66f4\u591a\u5305\u5b89\u88c5\u3002\u627e\u5230\u8fd9\u4e2a Windows\u7248\u672c\u8fdb\u884c\u4e0b\u8f7d<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u5982\u4f55\u5207\u6362anaconda python\u73af\u5883\uff1f<\/strong><\/p>\n\n\n\n
\u6253\u5f00anaconda\u547d\u4ee4\u7a97\u53e3\u540e \u4f7f\u7528\u4e00\u822c\u6307\u4ee4<\/p>\n\n\n\n
conda config --remove-key channels \/\/\u79fb\u9664\u6389\u914d\u7f6e\u955c\u50cf\u6e90 \u4f7f\u7528\u539f\u6709\u7684 \u5982\u679c\u9047\u5230\u4e86\u4e0b\u8f7d\u8d85\u65f6\u95ee\u9898\u53ef\u4ee5\u4f7f\u7528\nconda config --set ssl_verify no \/\/\u5173\u95ed\u8bc1\u4e66 \u5982\u679c\u9047\u5230000\u4ee3\u7801\u8d85\u65f6\u95ee\u9898\u53ef\u89e3\u51b3 \uff08\u4eb2\u6d4b\u6709\u6548\uff09\nnetsh advfirewall set allprofiles state off \/\/\u5173\u95ed\u9632\u706b\u5899 \u5982\u4e0d\u884c\u53ef\u5c1d\u8bd5\nping baidu.com \/\/\u53ef\u68c0\u67e5\u662f\u5426\u4e3a\u7f51\u7edc\u95ee\u9898<\/code><\/pre>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
conda activate py39 \/\/\u542f\u7528\u73af\u5883\nconda deactivate \/\/\u7981\u7528\u73af\u5883<\/code><\/pre>\n\n\n\n
\u51fa\u73b0\u6b64\u63d0\u793a\u8bf4\u660e\u73af\u5883\u914d\u7f6e\u597d\u4e86<\/p>\n\n\n\n
\u5220\u9664\u67d0\u4e2a\u73af\u5883\u65f6\uff0c\u4e00\u5b9a\u4e0d\u80fd\u5728\u8be5\u73af\u5883\u4e0b\u5220\u9664\uff0c\u4e00\u822c\u90fd\u662fbase\u73af\u5883\uff08anaconda\u9ed8\u8ba4\u7684\u73af\u5883\uff09\u4e0b\u5220\u9664\u6211\u4eec\u521b\u5efa\u8fc7\u7684\u73af\u5883<\/p>\n\n\n\n
conda remove -n py39 --all \/\/\u4f46\u8fd9\u6837\u5220\u9664\u73af\u5883\u4e0d\u662f\u5f88\u5f7b\u5e95\uff0c\u8fd8\u4f1a\u6709\u6587\u4ef6\u65e0\u6cd5\u5220\u9664\uff0c\u5bfc\u81f4\u8fd9\u4e2a\u6587\u4ef6\u5939\u8fd8\u5728\uff0c\u6240\u4ee5\u6211\u4eec\u5230\u5b89\u88c5anaconda\u7684\u6587\u4ef6\u5939\u4e0b\u627e\u5230envs\u6587\u4ef6\u5939\uff0c\u7136\u540e\u5220\u9664py39\u8fd9\u4e2a\u6587\u4ef6\u5939\u3002\n<\/code><\/pre>\n\n\n\n
\u56fe\u50cf\u57fa\u672c\u64cd\u4f5c<\/strong><\/p>\n\n\n\n
RGB\u8272\u5f69<\/strong>\uff1aRGB\u5373\u662f\u4ee3\u8868\u7ea2\u3001\u7eff\u3001\u84dd\u4e09\u4e2a\u901a\u9053\u7684\u989c\u8272\uff0c\u8fd9\u4e2a\u6807\u51c6\u51e0\u4e4e\u5305\u62ec\u4e86\u4eba\u7c7b\u89c6\u529b\u6240\u80fd\u611f\u77e5\u7684\u6240\u6709\u989c\u8272\uff0c\u662f\u8fd0\u7528\u6700\u5e7f\u7684\u989c\u8272\u7cfb\u7edf<\/a>\u4e4b\u4e00\u3002<\/p>\n\n\n\n
\u6570\u636e\u8bfb\u53d6-\u56fe\u50cf<\/strong><\/p>\n\n\n\n
import cv2 #opencv\u8bfb\u53d6\u7684\u683c\u5f0f\u662fBGR\nimport matplotlib.pyplot as plt\nimport numpy as np \n%matplotlib inline #\u53ea\u5728jupyter\u4e2d\u597d\u7528\u4e00\u4e9b\n\nimg=cv2.imread('cat.jpg')\n\n#\u56fe\u50cf\u7684\u663e\u793a,\u4e5f\u53ef\u4ee5\u521b\u5efa\u591a\u4e2a\u7a97\u53e3\ncv2.imshow('image',img) \n# \u7b49\u5f85\u65f6\u95f4\uff0c\u6beb\u79d2\u7ea7\uff0c0\u8868\u793a\u4efb\u610f\u952e\u7ec8\u6b62\ncv2.waitKey(0) \ncv2.destroyAllWindows()\n############\n#\u521b\u5efa\u4e00\u4e2a\u51fd\u6570\ndef cv_show(name,img):\n    cv2.imshow(name,img) \n    cv2.waitKey(0) \n    cv2.destroyAllWindows()\n\nimg.shape #\u53ef\u4ee5\u83b7\u5f97\u503c\uff08h,w,c\uff09\n#############\n#\u83b7\u53d6\u7070\u5ea6\u56fe\nimg=cv2.imread('cat.jpg',cv2.IMREAD_GRAYSCALE)\n#############\n#\u56fe\u50cf\u7684\u663e\u793a,\u4e5f\u53ef\u4ee5\u521b\u5efa\u591a\u4e2a\u7a97\u53e3\ncv2.imshow('image',img) \n\ncv2.waitKey(10000) \ncv2.destroyAllWindows()\n#############\n#\u4fdd\u5b58\ncv2.imwrite('mycat.png',img)\ntype(img)\nimg.size\nimg.dtype<\/code><\/pre>\n\n\n\n
\u6570\u636e\u5904\u7406-\u89c6\u9891<\/strong><\/p>\n\n\n\n
#cv2.VideoCapture\u53ef\u4ee5\u6355\u83b7\u6444\u50cf\u5934\uff0c\u7528\u6570\u5b57\u6765\u63a7\u5236\u4e0d\u540c\u7684\u8bbe\u5907\uff0c\u4f8b\u59820,1\u3002\nvc = cv2.VideoCapture('test.mp4')\n\nwhile open:\n    ret, frame = vc.read()\n    if frame is None:\n        break\n    if ret == True:\n        gray = cv2.cvtColor(frame,  cv2.COLOR_BGR2GRAY)\n        cv2.imshow('result', gray)\n        if cv2.waitKey(100) & 0xFF == 27:#\u5728ascii\u8868\u4e2d27\u8868\u793aesc\n            break\nvc.release()\ncv2.destroyAllWindows()\n# \u68c0\u67e5\u662f\u5426\u6253\u5f00\u6b63\u786e\nif vc.isOpened(): \n    oepn, frame = vc.read()\nelse:\n    open = False<\/code><\/pre>\n\n\n\n
\u622a\u53d6\u90e8\u5206\u56fe\u50cf\u6570\u636e<\/strong><\/p>\n\n\n\n
img=cv2.imread('cat.jpg')\ncat=img[0:50,0:200] \ncv_show('cat',cat)<\/code><\/pre>\n\n\n\n
\u989c\u8272\u901a\u9053\u63d0\u53d6<\/strong><\/p>\n\n\n\n
b,g,r=cv2.split(img)#\u5206\u5f00\u8bfb\u53d6bgr\n\nimg=cv2.merge((b,g,r))#\u7ec4\u5408bgr\nimg.shape\n\n# \u53ea\u4fdd\u7559R\ncur_img = img.copy()\ncur_img[:,:,0] = 0\ncur_img[:,:,1] = 0\ncv_show('R',cur_img)\n# \u53ea\u4fdd\u7559G\ncur_img = img.copy()\ncur_img[:,:,0] = 0\ncur_img[:,:,2] = 0\ncv_show('G',cur_img)\n# \u53ea\u4fdd\u7559B\ncur_img = img.copy()\ncur_img[:,:,1] = 0\ncur_img[:,:,2] = 0\ncv_show('B',cur_img)<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
anaconda\u5b89\u88c5 \u6211\u4eec\u5b66\u4e60opencv\u4e4b\u524d\uff0c\u9700\u8981\u4e86\u89e3\u4e00\u4e0bpython\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Anaconda\u6765\u8fdb\u4e00\u6b65 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-63","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.luisss.top\/index.php\/wp-json\/wp\/v2\/posts\/63","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.luisss.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.luisss.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.luisss.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.luisss.top\/index.php\/wp-json\/wp\/v2\/comments?post=63"}],"version-history":[{"count":25,"href":"https:\/\/www.luisss.top\/index.php\/wp-json\/wp\/v2\/posts\/63\/revisions"}],"predecessor-version":[{"id":1155,"href":"https:\/\/www.luisss.top\/index.php\/wp-json\/wp\/v2\/posts\/63\/revisions\/1155"}],"wp:attachment":[{"href":"https:\/\/www.luisss.top\/index.php\/wp-json\/wp\/v2\/media?parent=63"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.luisss.top\/index.php\/wp-json\/wp\/v2\/categories?post=63"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.luisss.top\/index.php\/wp-json\/wp\/v2\/tags?post=63"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}