{"id":679,"date":"2020-06-30T15:50:08","date_gmt":"2020-06-30T06:50:08","guid":{"rendered":"https:\/\/site-zero.mydns.jp\/?p=679"},"modified":"2020-10-02T10:51:57","modified_gmt":"2020-10-02T01:51:57","slug":"opencv%e3%81%ae%e3%82%a4%e3%83%b3%e3%82%b9%e3%83%88%e3%83%bc%e3%83%ab%e8%a8%ad%e5%ae%9a","status":"publish","type":"post","link":"https:\/\/raspi-katsuyou.com\/index.php\/2020\/06\/30\/15\/50\/08\/679\/","title":{"rendered":"OpenCV\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb&#038;\u8a2d\u5b9a"},"content":{"rendered":"\n<p>OpenCV\u3068\u306f\u3001\u753b\u50cf\u3084\u52d5\u753b\u3092\u51e6\u7406\u3001\u89e3\u6790\u3057\u305f\u308a\u3059\u308b\u306e\u306b\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u30a3\u3067\u3059\u3002<\/p>\n\n\n\n<p>OpenCV\u3092Python\u3067\u4f7f\u3046\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u3067\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3066\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">import cv2<\/pre>\n\n\n\n<p>\u305f\u3060\u3001import\u3067\u304d\u308b\u307e\u3067\u306b\u591a\u304f\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u3001\u60aa\u6226\u82e6\u95d8\u3057\u305f\u306e\u3067\u4e00\u9023\u306e\u4f5c\u696d\u3092\u30e1\u30e2\u3068\u3057\u3066\u6b8b\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305a\u306f\u3001OpenCV \u304c\u4f9d\u5b58\u3057\u3066\u3044\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4e8b\u524d\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$ sudo apt-get install libhdf5-dev libhdf5-serial-dev libhdf5-100\n$ sudo apt-get install libqtgui4 libqtwebkit4 libqt4-test python3-pyqt5\n$ sudo apt-get install libatlas-base-dev\n$ sudo apt-get install libjasper-dev<\/pre>\n\n\n\n<p>pip\/pip3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$ sudo apt install python-pip python3-pip<\/pre>\n\n\n\n<p>pip3 \u3067 OpenCV \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$ sudo pip3 --default-timeout=1000 install opencv-python<\/pre>\n\n\n\n<p>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u305f\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$ python3\n&nbsp;Python 3.5.3 (default, Sep 27 2018, 17:25:39) [GCC 6.3.0 20170516] on linux\n&nbsp;Type \"help\", \"copyright\", \"credits\" or \"license\" for more information.\n&nbsp;&gt;&gt;&gt; import cv2\n&gt;&gt;&gt; cv2.__version__ '3.4.4\u2019\n'3.4.4'<\/pre>\n\n\n\n<p>Python3\u3067OpenCV\u306e\u30a4\u30f3\u30dd\u30fc\u30c8\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u5834\u5408\u306e\u5bfe\u7b56\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30bf\u30fc\u30df\u30ca\u30eb\u3067\u4ee5\u4e0b\u3092\u5b9f\u884c<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$ LD_PRELOAD=\/usr\/lib\/arm-linux-gnueabihf\/libatomic.so.1<\/pre>\n\n\n\n<p>\u6b21\u306bvi\u3067\u7de8\u96c6<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$ vi .bashrc\nexport LD_PRELOAD=\/usr\/lib\/arm-linux-gnueabihf\/libatomic.so.1 #\u8ffd\u52a0<\/pre>\n\n\n\n<p>\u6700\u5f8c\u306b\u4ee5\u4e0b\u3067\u9069\u7528<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$ source .bashrc<\/pre>\n\n\n\n<p>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$ python3 Python 3.7.3 (default, Apr 3 2019, 05:39:12)\n[GCC 8.2.0] on linux\nType \"help\", \"copyright\", \"credits\" or \"license\" for more information.\n&gt;&gt;&gt; import cv2\n&gt;&gt;&gt; cv2.__version__\n'4.1.1'<\/pre>\n\n\n\n<p>\u4ee5\u4e0a\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u5b8c\u4e86\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3042\u3068\u3001\u8ffd\u52a0\u3067\u4ee5\u4e0b\u306e\u8a2d\u5b9a\u3092\u884c\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>Raspberry Pi Camera Module V2 \u306f\u3001\u305d\u306e\u307e\u307e\u3067\u306f OS \u306e\u30d3\u30c7\u30aa\u30c7\u30d0\u30a4\u30b9\uff08 \/dev\/video0 \uff09\u3068\u3057\u3066\u8a8d\u8b58\u3057\u307e\u305b\u3093\u3002OpenCV\u3067\u51e6\u7406\u3055\u305b\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u3092\u7528\u3044\u3066\u30d3\u30c7\u30aa\u30c7\u30d0\u30a4\u30b9\u3068\u3057\u3066\u8a8d\u8b58\u3055\u305b\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\uff1c\u624b\u52d5\u3067\u90fd\u5ea6\u884c\u3046\uff1e\n&nbsp;$ sudo modprobe bcm2835-v4l2\n&nbsp;$ ls \/dev\/video* \/dev\/video0\n\n\uff1c\u8d77\u52d5\u6642\u306e\u8a2d\u5b9a\u306b\u8ffd\u52a0\uff1e\n&nbsp;$ sudo nano \/etc\/modules\n&nbsp;(\u6700\u4e0b\u90e8\u306b\u4ee5\u4e0b\u3092\u8ffd\u52a0)\n&nbsp;bcm2835-v4l2\n\n&nbsp;$ sudo reboot<\/pre>\n\n\n\n<p>\u3082\u3057 AttributeError: module &#8216;cv2.cv2&#8217; has no attribute &#8216;face&#8217; \u3068\u3044\u3046\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u3089\u3001\u4e0b\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">$ sudo pip3 install opencv-contrib-python<\/pre>\n\n\n\n<p>\u3068\u308a\u3042\u3048\u305a\u3001\u3053\u3053\u307e\u3067\u3084\u308c\u3070\u5927\u4e08\u592b\u3060\u3068\u601d\u3044\u307e\u3059&#8230;<\/p>\n<div class=\"veu_socialSet veu_socialSet-position-after veu_contentAddSection\"><script>window.twttr=(function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],t=window.twttr||{};if(d.getElementById(id))return t;js=d.createElement(s);js.id=id;js.src=\"https:\/\/platform.twitter.com\/widgets.js\";fjs.parentNode.insertBefore(js,fjs);t._e=[];t.ready=function(f){t._e.push(f);};return t;}(document,\"script\",\"twitter-wjs\"));<\/script><ul><li class=\"sb_facebook sb_icon\"><a class=\"sb_icon_inner\" href=\"\/\/www.facebook.com\/sharer.php?src=bm&u=https%3A%2F%2Fraspi-katsuyou.com%2Findex.php%2F2020%2F06%2F30%2F15%2F50%2F08%2F679%2F&amp;t=%E3%83%A9%E3%82%BA%E3%83%91%E3%82%A4%E6%B4%BB%E7%94%A8%E6%97%A5%E8%A8%98\" target=\"_blank\" onclick=\"window.open(this.href,'FBwindow','width=650,height=450,menubar=no,toolbar=no,scrollbars=yes');return false;\"><span class=\"vk_icon_w_r_sns_fb icon_sns\"><\/span><span class=\"sns_txt\">Facebook<\/span><span class=\"veu_count_sns_fb\"><\/span><\/a><\/li><li class=\"sb_twitter sb_icon\"><a class=\"sb_icon_inner\" href=\"\/\/twitter.com\/intent\/tweet?url=https%3A%2F%2Fraspi-katsuyou.com%2Findex.php%2F2020%2F06%2F30%2F15%2F50%2F08%2F679%2F&amp;text=%E3%83%A9%E3%82%BA%E3%83%91%E3%82%A4%E6%B4%BB%E7%94%A8%E6%97%A5%E8%A8%98\" target=\"_blank\" ><span class=\"vk_icon_w_r_sns_twitter icon_sns\"><\/span><span class=\"sns_txt\">twitter<\/span><\/a><\/li><li class=\"sb_hatena sb_icon\"><a class=\"sb_icon_inner\" href=\"\/\/b.hatena.ne.jp\/add?mode=confirm&url=https%3A%2F%2Fraspi-katsuyou.com%2Findex.php%2F2020%2F06%2F30%2F15%2F50%2F08%2F679%2F&amp;title=%E3%83%A9%E3%82%BA%E3%83%91%E3%82%A4%E6%B4%BB%E7%94%A8%E6%97%A5%E8%A8%98\" target=\"_blank\"  onclick=\"window.open(this.href,'Hatenawindow','width=650,height=450,menubar=no,toolbar=no,scrollbars=yes');return false;\"><span class=\"vk_icon_w_r_sns_hatena icon_sns\"><\/span><span class=\"sns_txt\">Hatena<\/span><span class=\"veu_count_sns_hb\"><\/span><\/a><\/li><li class=\"sb_pocket sb_icon\"><a class=\"sb_icon_inner\"  href=\"\/\/getpocket.com\/edit?url=https%3A%2F%2Fraspi-katsuyou.com%2Findex.php%2F2020%2F06%2F30%2F15%2F50%2F08%2F679%2F&title=%E3%83%A9%E3%82%BA%E3%83%91%E3%82%A4%E6%B4%BB%E7%94%A8%E6%97%A5%E8%A8%98\" target=\"_blank\"  onclick=\"window.open(this.href,'Pokcetwindow','width=650,height=450,menubar=no,toolbar=no,scrollbars=yes');return false;\"><span class=\"vk_icon_w_r_sns_pocket icon_sns\"><\/span><span class=\"sns_txt\">Pocket<\/span><span class=\"veu_count_sns_pocket\"><\/span><\/a><\/li><li class=\"sb_copy sb_icon\"><button class=\"copy-button sb_icon_inner\"data-clipboard-text=\"\u30e9\u30ba\u30d1\u30a4\u6d3b\u7528\u65e5\u8a18 https:\/\/raspi-katsuyou.com\/index.php\/2020\/06\/30\/15\/50\/08\/679\/\"><span class=\"vk_icon_w_r_sns_copy icon_sns\"><i class=\"fas fa-copy\"><\/i><\/span><span class=\"sns_txt\">Copy<\/span><\/button><\/li><\/ul><\/div><!-- [ \/.socialSet ] -->","protected":false},"excerpt":{"rendered":"<p>OpenCV\u3068\u306f\u3001\u753b\u50cf\u3084\u52d5\u753b\u3092\u51e6\u7406\u3001\u89e3\u6790\u3057\u305f\u308a\u3059\u308b\u306e\u306b\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u30a3\u3067\u3059\u3002 OpenCV\u3092Python\u3067\u4f7f\u3046\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u3067\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3066\u4f7f\u7528\u3057\u307e\u3059\u3002 import cv2 \u305f\u3060\u3001import\u3067\u304d\u308b\u307e\u3067\u306b\u591a\u304f\u306e\u30a8\u30e9\u30fc\u304c &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/raspi-katsuyou.com\/index.php\/2020\/06\/30\/15\/50\/08\/679\/\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;OpenCV\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb&#038;\u8a2d\u5b9a&#8221; \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":681,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"vkexunit_cta_each_option":"","footnotes":""},"categories":[16,1],"tags":[],"class_list":["post-679","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-setup","category-raspi_set"],"_links":{"self":[{"href":"https:\/\/raspi-katsuyou.com\/index.php\/wp-json\/wp\/v2\/posts\/679","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/raspi-katsuyou.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/raspi-katsuyou.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/raspi-katsuyou.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/raspi-katsuyou.com\/index.php\/wp-json\/wp\/v2\/comments?post=679"}],"version-history":[{"count":0,"href":"https:\/\/raspi-katsuyou.com\/index.php\/wp-json\/wp\/v2\/posts\/679\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/raspi-katsuyou.com\/index.php\/wp-json\/wp\/v2\/media\/681"}],"wp:attachment":[{"href":"https:\/\/raspi-katsuyou.com\/index.php\/wp-json\/wp\/v2\/media?parent=679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/raspi-katsuyou.com\/index.php\/wp-json\/wp\/v2\/categories?post=679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/raspi-katsuyou.com\/index.php\/wp-json\/wp\/v2\/tags?post=679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}