{"id":15972,"date":"2024-03-15T12:04:53","date_gmt":"2024-03-15T12:04:53","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-can-i-merge-two-images-using-opencv\/"},"modified":"2025-08-06T23:06:41","modified_gmt":"2025-08-06T23:06:41","slug":"how-can-i-merge-two-images-using-opencv","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-can-i-merge-two-images-using-opencv\/","title":{"rendered":"How can I merge two images using OpenCV?"},"content":{"rendered":"<p>You can combine two images using OpenCV by using the cv2.addWeighted() function, which blends the two images together based on a specified weight.<\/p>\n<p>Below is an example code that blends two images with weights of 0.7 and 0.3.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> cv2\r\n\r\n<span class=\"hljs-comment\"># \u8bfb\u53d6\u4e24\u4e2a\u56fe\u7247<\/span>\r\nimg1 = cv2.imread(<span class=\"hljs-string\">'image1.jpg'<\/span>)\r\nimg2 = cv2.imread(<span class=\"hljs-string\">'image2.jpg'<\/span>)\r\n\r\n<span class=\"hljs-comment\"># \u8c03\u6574img2\u7684\u5c3a\u5bf8\u4e0eimg1\u76f8\u540c<\/span>\r\nimg2 = cv2.resize(img2, (img1.shape[<span class=\"hljs-number\">1<\/span>], img1.shape[<span class=\"hljs-number\">0<\/span>]))\r\n\r\n<span class=\"hljs-comment\"># \u8bbe\u7f6e\u6df7\u5408\u6743\u91cd<\/span>\r\nalpha = <span class=\"hljs-number\">0.7<\/span>\r\nbeta = <span class=\"hljs-number\">0.3<\/span>\r\n\r\n<span class=\"hljs-comment\"># \u6df7\u5408\u56fe\u7247<\/span>\r\nblended = cv2.addWeighted(img1, alpha, img2, beta, <span class=\"hljs-number\">0<\/span>)\r\n\r\n<span class=\"hljs-comment\"># \u663e\u793a\u6df7\u5408\u7ed3\u679c<\/span>\r\ncv2.imshow(<span class=\"hljs-string\">'Blended Image'<\/span>, blended)\r\ncv2.waitKey(<span class=\"hljs-number\">0<\/span>)\r\ncv2.destroyAllWindows()\r\n<\/code><\/pre>\n<p>Please make sure to replace image1.jpg and image2.jpg with the actual image paths. Adjusting the values of alpha and beta can control the blending effect, where alpha represents the weight of img1 and beta represents the weight of img2.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>You can combine two images using OpenCV by using the cv2.addWeighted() function, which blends the two images together based on a specified weight. Below is an example code that blends two images with weights of 0.7 and 0.3. import cv2 # \u8bfb\u53d6\u4e24\u4e2a\u56fe\u7247 img1 = cv2.imread(&#8216;image1.jpg&#8217;) img2 = cv2.imread(&#8216;image2.jpg&#8217;) # \u8c03\u6574img2\u7684\u5c3a\u5bf8\u4e0eimg1\u76f8\u540c img2 = cv2.resize(img2, (img1.shape[1], img1.shape[0])) [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[453,1402,299,1404,1403],"class_list":["post-15972","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-development","tag-guide","tag-programming","tag-technology","tag-tutorial"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How can I merge two images using OpenCV? - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn about how can i merge two images using opencv?. 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