RubyとOpenCVで始める画像処理 / ruby-opencv-megurorb-23

Transcript

1. RubyͱOpenCVͰ࢝ΊΔը૾ॲཧ
   2019/01/29 Meguro.rb#23
   Tomoki Ishimaru / @thom_i40
   

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2. ࣗݾ঺հ
   • Tomoki Ishimaru
   • GMO AD Marketing Inc.
   • ϑϩϯτΤϯυ / αʔόʔαΠυ
   • Իָͱࣸਅ͕޷͖
   @thom_i40
   

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3. ࠓ೔࿩͢͜ͱ
   • OpenCVͷ֓ཁ
   • ruby-opencvͷ֓ཁ
   • ruby-opencvΛ׆༻ͨ͠੒Ռ෺
   

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4. • Πϯςϧ͕։ൃ
   • Φʔϓϯιʔεͷը૾/ө૾ॲཧϥΠϒϥϦ
   • ΫϩεϓϥοτϑΥʔϜࢦ޲Ͱઃܭ
   • C++, Java, Python, MATLABΛαϙʔτ
   • ༷ʑͳόΠϯσΟϯά͕ଘࡏ
   OpenCV
   

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5. ruby-opencv
   • Ruby༻ͷOpenCVϥούʔ
   • Ruby 2ܥ / OpenCV 2.4.13Λαϙʔτ
   • RubyDoc.infoͰυΩϡϝϯτΛఏڙ

   https://www.rubydoc.info/gems/ruby-opencv/frames
   

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6. άϨʔεέʔϧ/ೋ஋Խॲཧ
   src = CvMat.load('Sailboat.bmp')
   gray = src.BGR2GRAY
   bin = gray.threshold(128, 255, :binary)
   

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7. Haar෼ྨثʹΑΔإೝࣝ
   

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8. ࠓճ࡞ͬͨ੒Ռ෺
   

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9. ָේը૾͔ΒϝϩσΟΛநग़
   

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10. ָේը૾͔ΒϝϩσΟΛநग़
    

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11. ָේը૾͔ΒϝϩσΟΛநग़
    

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12. ࢖ͬͨػೳ
    

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13. ೋ஋Խॲཧ
    

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14. ௚ઢݕग़
    

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15. ςϯϓϨʔτϚονϯά
    

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16. ϝϩσΟΛநग़
    

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17. ·ͱΊ
    • OpenCVͱruby-opencvʹ͍ͭͯ঺հͨ͠
    • ruby-opencvͷ༷ʑͳػೳΛ༻͍ͯ

    ָේը૾͔ΒϝϩσΟΛநग़͢ΔγεςϜΛ࡞ͬͨ
    • RubyͰ΋جຊతͳը૾ೝ͕ࣝͰ͖Δ͜ͱ͕Θ͔ͬͨ
    

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18. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
    @thom_i40
    

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