{"published":"2015-04-17 09:39:58","blog_title":"\u4e16\u754c\u306f\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3067\u304d\u3066\u3044\u308b\u3002","categories":["ruby","ruby-opencv"],"type":"rich","provider_name":"Hatena Blog","author_name":"ara_k","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fara-k.hatenadiary.org%2Fentry%2F20150417%2F1429231198\" title=\" ruby-opencv\u3067trackbar\u3092\u4f7f\u3063\u3066\u8272\u3005\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a66\u3059 - \u4e16\u754c\u306f\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3067\u304d\u3066\u3044\u308b\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","version":"1.0","blog_url":"https://ara-k.hatenadiary.org/","title":" ruby-opencv\u3067trackbar\u3092\u4f7f\u3063\u3066\u8272\u3005\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a66\u3059","description":"C\u3067\u66f8\u304f\u3088\u308aruby\u3067\u66f8\u3044\u305f\u65b9\u304c\u3001\u30c8\u30e9\u30c3\u30af\u30d0\u30fc\u3082\u7c21\u5358\u306b\u4f7f\u3048\u308b\u3002 require 'opencv' include OpenCV inp_win = GUI::Window.new('Input') out_win = GUI::Window.new('Output') filename = ARGV.shift inp_img = CvMat.load(filename) inp_win.show inp_img out_win.set_trackbar(\"TraBar\",1000,150) do |v| out_win.show inp_img.BGR2GRAY.canny(120,v) e\u2026","height":"190","author_url":"https://blog.hatena.ne.jp/ara_k/","width":"100%","url":"https://ara-k.hatenadiary.org/entry/20150417/1429231198","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/a/ara_k/20150417/20150417095208.jpg"}