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  <author_name>ara_k</author_name>
  <author_url>https://blog.hatena.ne.jp/ara_k/</author_url>
  <blog_title>世界はアルゴリズムでできている。</blog_title>
  <blog_url>https://ara-k.hatenadiary.org/</blog_url>
  <categories>
    <anon>ruby</anon>
    <anon>ruby-opencv</anon>
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  <description>カメラで絵を取り込みながら、或いは動画を再生させながら、キーを押して、色々なフィルタを試す。 require 'opencv' include OpenCV captureDevice,mode = 0,nil if ARGV.size &gt; 0 captureDevice = ARGV.shift captureDevice = captureDevice.to_i if /^\d$/ =~ captureDevice end win = GUI::Window.new(&quot;win&quot;) cap = CvCapture.open(captureDevice) begin fps = cap.fps…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2015-04-21 01:10:28</published>
  <title> ruby-opencvで色々なフィルタを試す</title>
  <type>rich</type>
  <url>https://ara-k.hatenadiary.org/entry/20150421/1429632628</url>
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