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RubyͱOpenCVͰ࢝ΊΔը૾ॲཧ
2019/01/29 Meguro.rb#23
Tomoki Ishimaru / @thom_i40
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ࣗݾհ
• Tomoki Ishimaru
• GMO AD Marketing Inc.
• ϑϩϯτΤϯυ / αʔόʔαΠυ
• Իָͱࣸਅ͕͖
@thom_i40
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ࠓ͢͜ͱ
• OpenCVͷ֓ཁ
• ruby-opencvͷ֓ཁ
• ruby-opencvΛ׆༻ͨ͠Ռ
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• Πϯςϧ͕։ൃ
• Φʔϓϯιʔεͷը૾/ө૾ॲཧϥΠϒϥϦ
• ΫϩεϓϥοτϑΥʔϜࢦͰઃܭ
• C++, Java, Python, MATLABΛαϙʔτ
• ༷ʑͳόΠϯσΟϯά͕ଘࡏ
OpenCV
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ruby-opencv
• Ruby༻ͷOpenCVϥούʔ
• Ruby 2ܥ / OpenCV 2.4.13Λαϙʔτ
• RubyDoc.infoͰυΩϡϝϯτΛఏڙ
https://www.rubydoc.info/gems/ruby-opencv/frames
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άϨʔεέʔϧ/ೋԽॲཧ
src = CvMat.load('Sailboat.bmp')
gray = src.BGR2GRAY
bin = gray.threshold(128, 255, :binary)
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HaarྨثʹΑΔإೝࣝ
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ࠓճ࡞ͬͨՌ
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ָේը૾͔ΒϝϩσΟΛநग़
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ָේը૾͔ΒϝϩσΟΛநग़
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ָේը૾͔ΒϝϩσΟΛநग़
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ͬͨػೳ
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ೋԽॲཧ
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ઢݕग़
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ςϯϓϨʔτϚονϯά
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ϝϩσΟΛநग़
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·ͱΊ
• OpenCVͱruby-opencvʹ͍ͭͯհͨ͠
• ruby-opencvͷ༷ʑͳػೳΛ༻͍ͯ
ָේը૾͔ΒϝϩσΟΛநग़͢ΔγεςϜΛ࡞ͬͨ
• RubyͰجຊతͳը૾ೝ͕ࣝͰ͖Δ͜ͱ͕Θ͔ͬͨ
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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
@thom_i40