{"id":124382,"date":"2024-03-24T15:00:38","date_gmt":"2024-03-24T06:00:38","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/python%e3%81%a7%e3%82%b0%e3%83%ac%e3%83%bc%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%ab%e7%94%bb%e5%83%8f%e3%82%922%e5%80%a4%e5%8c%96%e3%81%99%e3%82%8b\/"},"modified":"2024-04-04T23:10:15","modified_gmt":"2024-04-04T14:10:15","slug":"python%e3%81%a7%e3%82%b0%e3%83%ac%e3%83%bc%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%ab%e7%94%bb%e5%83%8f%e3%82%922%e5%80%a4%e5%8c%96%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/python%e3%81%a7%e3%82%b0%e3%83%ac%e3%83%bc%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%ab%e7%94%bb%e5%83%8f%e3%82%922%e5%80%a4%e5%8c%96%e3%81%99%e3%82%8b\/","title":{"rendered":"Python\u3067\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u753b\u50cf\u30922\u5024\u5316\u3059\u308b"},"content":{"rendered":"<p>\u8f1d\u5ea6\u753b\u50cf\u30922\u5024\u5316\u3059\u308b\u5834\u5408\u306f\u3001OpenCV\u30e9\u30a4\u30d6\u30e9\u30ea\u306ethreshold\u95a2\u6570\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u6b21\u306b\u793a\u3057\u307e\u3059:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> cv2\r\n<span class=\"hljs-comment\"># \u8bfb\u53d6\u7070\u5ea6\u56fe\u50cf<\/span>\r\nimage = cv2.imread(<span class=\"hljs-string\">'image.jpg'<\/span>, <span class=\"hljs-number\">0<\/span>)\r\n<span class=\"hljs-comment\"># \u4e8c\u503c\u5316\u5904\u7406<\/span>\r\n_, binary_image = cv2.threshold(image, <span class=\"hljs-number\">127<\/span>, <span class=\"hljs-number\">255<\/span>, cv2.THRESH_BINARY)\r\n<span class=\"hljs-comment\"># \u663e\u793a\u539f\u59cb\u56fe\u50cf\u548c\u4e8c\u503c\u5316\u540e\u7684\u56fe\u50cf<\/span>\r\ncv2.imshow(<span class=\"hljs-string\">'Original Image'<\/span>, image)\r\ncv2.imshow(<span class=\"hljs-string\">'Binary Image'<\/span>, binary_image)\r\ncv2.waitKey(<span class=\"hljs-number\">0<\/span>)\r\ncv2.destroyAllWindows()\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u307e\u305a cv2.imread \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u753b\u50cf\u3092\u8aad\u307f\u8fbc\u307f\u3001image \u5909\u6570\u306b\u683c\u7d0d\u3057\u307e\u3059\u3002\u6b21\u306b\u3001cv2.threshold \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u753b\u50cf\u3092\u4e8c\u5024\u5316\u3057\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306e\u5f15\u6570\u306b\u3042\u308b 127 \u306f\u3001\u95be\u5024\u3092\u8868\u3057\u3066\u304a\u308a\u3001\u3053\u308c\u3088\u308a\u5927\u304d\u3044\u30d4\u30af\u30bb\u30eb\u5024\u3092\u6301\u3064\u30d4\u30af\u30bb\u30eb\u306f\u6700\u5927\u30d4\u30af\u30bb\u30eb\u5024\uff08\u3053\u306e\u5834\u5408\u306f 255\uff09\u306b\u3001\u305d\u308c\u4ee5\u4e0b\u306e\u30d4\u30af\u30bb\u30eb\u5024\u3092\u6301\u3064\u30d4\u30af\u30bb\u30eb\u306f 0 \u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002\u4e8c\u5024\u5316\u3055\u308c\u305f\u753b\u50cf\u306f binary_image \u5909\u6570\u306b\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001cv2.imshow \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u5143\u753b\u50cf\u3068\u4e8c\u5024\u5316\u753b\u50cf\u3092\u8868\u793a\u3057\u307e\u3059\u3002cv2.waitKey \u3068 cv2.destroyAllWindows \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u4efb\u610f\u306e\u30ad\u30fc\u3092\u62bc\u3059\u307e\u3067\u5f85\u3063\u3066\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u9589\u3058\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f1d\u5ea6\u753b\u50cf\u30922\u5024\u5316\u3059\u308b\u5834\u5408\u306f\u3001OpenCV\u30e9\u30a4\u30d6\u30e9\u30ea\u306ethreshold\u95a2\u6570\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u6b21\u306b\u793a\u3057\u307e\u3059: import cv2 # \u8bfb\u53d6\u7070\u5ea6\u56fe\u50cf image = cv2.imread(&#8216;image.jpg [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-124382","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"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>Python\u3067\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u753b\u50cf\u30922\u5024\u5316\u3059\u308b - Blog - Silicon Cloud<\/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.silicloud.com\/ja\/blog\/python\u3067\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u753b\u50cf\u30922\u5024\u5316\u3059\u308b\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python\u3067\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u753b\u50cf\u30922\u5024\u5316\u3059\u308b\" \/>\n<meta property=\"og:description\" content=\"\u8f1d\u5ea6\u753b\u50cf\u30922\u5024\u5316\u3059\u308b\u5834\u5408\u306f\u3001OpenCV\u30e9\u30a4\u30d6\u30e9\u30ea\u306ethreshold\u95a2\u6570\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u6b21\u306b\u793a\u3057\u307e\u3059: import cv2 # \u8bfb\u53d6\u7070\u5ea6\u56fe\u50cf image = cv2.imread(&#039;image.jpg [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/python\u3067\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u753b\u50cf\u30922\u5024\u5316\u3059\u308b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-24T06:00:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-04T14:10:15+00:00\" \/>\n<meta name=\"author\" content=\"\u84ee, \u7ffc\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u84ee, \u7ffc\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/python%e3%81%a7%e3%82%b0%e3%83%ac%e3%83%bc%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%ab%e7%94%bb%e5%83%8f%e3%82%922%e5%80%a4%e5%8c%96%e3%81%99%e3%82%8b\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/python%e3%81%a7%e3%82%b0%e3%83%ac%e3%83%bc%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%ab%e7%94%bb%e5%83%8f%e3%82%922%e5%80%a4%e5%8c%96%e3%81%99%e3%82%8b\/\",\"name\":\"Python\u3067\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u753b\u50cf\u30922\u5024\u5316\u3059\u308b - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\"},\"datePublished\":\"2024-03-24T06:00:38+00:00\",\"dateModified\":\"2024-04-04T14:10:15+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/cdc124a0aaebf26393d8d591183ca413\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/python%e3%81%a7%e3%82%b0%e3%83%ac%e3%83%bc%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%ab%e7%94%bb%e5%83%8f%e3%82%922%e5%80%a4%e5%8c%96%e3%81%99%e3%82%8b\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/ja\/blog\/python%e3%81%a7%e3%82%b0%e3%83%ac%e3%83%bc%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%ab%e7%94%bb%e5%83%8f%e3%82%922%e5%80%a4%e5%8c%96%e3%81%99%e3%82%8b\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/python%e3%81%a7%e3%82%b0%e3%83%ac%e3%83%bc%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%ab%e7%94%bb%e5%83%8f%e3%82%922%e5%80%a4%e5%8c%96%e3%81%99%e3%82%8b\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/ja\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Python\u3067\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u753b\u50cf\u30922\u5024\u5316\u3059\u308b\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"ja\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/cdc124a0aaebf26393d8d591183ca413\",\"name\":\"\u84ee, \u7ffc\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/27308f733c7fcdac8617926a0100c77213339c4e501310a08c0baf946bf823bc?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/27308f733c7fcdac8617926a0100c77213339c4e501310a08c0baf946bf823bc?s=96&d=mm&r=g\",\"caption\":\"\u84ee, \u7ffc\"},\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/author\/rentsubasa\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/python%e3%81%a7%e3%82%b0%e3%83%ac%e3%83%bc%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%ab%e7%94%bb%e5%83%8f%e3%82%922%e5%80%a4%e5%8c%96%e3%81%99%e3%82%8b\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Python\u3067\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u753b\u50cf\u30922\u5024\u5316\u3059\u308b - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/ja\/blog\/python\u3067\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u753b\u50cf\u30922\u5024\u5316\u3059\u308b\/","og_locale":"ja_JP","og_type":"article","og_title":"Python\u3067\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u753b\u50cf\u30922\u5024\u5316\u3059\u308b","og_description":"\u8f1d\u5ea6\u753b\u50cf\u30922\u5024\u5316\u3059\u308b\u5834\u5408\u306f\u3001OpenCV\u30e9\u30a4\u30d6\u30e9\u30ea\u306ethreshold\u95a2\u6570\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u6b21\u306b\u793a\u3057\u307e\u3059: import cv2 # \u8bfb\u53d6\u7070\u5ea6\u56fe\u50cf image = cv2.imread('image.jpg [&hellip;]","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/python\u3067\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u753b\u50cf\u30922\u5024\u5316\u3059\u308b\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-24T06:00:38+00:00","article_modified_time":"2024-04-04T14:10:15+00:00","author":"\u84ee, \u7ffc","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u84ee, \u7ffc"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/python%e3%81%a7%e3%82%b0%e3%83%ac%e3%83%bc%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%ab%e7%94%bb%e5%83%8f%e3%82%922%e5%80%a4%e5%8c%96%e3%81%99%e3%82%8b\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/python%e3%81%a7%e3%82%b0%e3%83%ac%e3%83%bc%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%ab%e7%94%bb%e5%83%8f%e3%82%922%e5%80%a4%e5%8c%96%e3%81%99%e3%82%8b\/","name":"Python\u3067\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u753b\u50cf\u30922\u5024\u5316\u3059\u308b - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website"},"datePublished":"2024-03-24T06:00:38+00:00","dateModified":"2024-04-04T14:10:15+00:00","author":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/cdc124a0aaebf26393d8d591183ca413"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/python%e3%81%a7%e3%82%b0%e3%83%ac%e3%83%bc%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%ab%e7%94%bb%e5%83%8f%e3%82%922%e5%80%a4%e5%8c%96%e3%81%99%e3%82%8b\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/ja\/blog\/python%e3%81%a7%e3%82%b0%e3%83%ac%e3%83%bc%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%ab%e7%94%bb%e5%83%8f%e3%82%922%e5%80%a4%e5%8c%96%e3%81%99%e3%82%8b\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/ja\/blog\/python%e3%81%a7%e3%82%b0%e3%83%ac%e3%83%bc%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%ab%e7%94%bb%e5%83%8f%e3%82%922%e5%80%a4%e5%8c%96%e3%81%99%e3%82%8b\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/ja\/blog\/"},{"@type":"ListItem","position":2,"name":"Python\u3067\u30b0\u30ec\u30fc\u30b9\u30b1\u30fc\u30eb\u753b\u50cf\u30922\u5024\u5316\u3059\u308b"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website","url":"https:\/\/www.silicloud.com\/ja\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/cdc124a0aaebf26393d8d591183ca413","name":"\u84ee, \u7ffc","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/27308f733c7fcdac8617926a0100c77213339c4e501310a08c0baf946bf823bc?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/27308f733c7fcdac8617926a0100c77213339c4e501310a08c0baf946bf823bc?s=96&d=mm&r=g","caption":"\u84ee, \u7ffc"},"url":"https:\/\/www.silicloud.com\/ja\/blog\/author\/rentsubasa\/"},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/python%e3%81%a7%e3%82%b0%e3%83%ac%e3%83%bc%e3%82%b9%e3%82%b1%e3%83%bc%e3%83%ab%e7%94%bb%e5%83%8f%e3%82%922%e5%80%a4%e5%8c%96%e3%81%99%e3%82%8b\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/124382","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/comments?post=124382"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/124382\/revisions"}],"predecessor-version":[{"id":297277,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/124382\/revisions\/297277"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/media?parent=124382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/categories?post=124382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/tags?post=124382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}