RubyͰը૾ϑΝΠϧ͔Β༷ʑͳΦϒδΣΫτΛݕग़͢Δ2019/03/14 ฏ.rb #2 @MedPeer, Inc.Tomoki Ishimaru / @thom_i40
View Slide
ࣗݾհ• Tomoki Ishimaru• GMO AD Marketing Inc.• ϑϩϯτΤϯυ / αʔόʔαΠυ• झຯԻָͱࣸਅͱΔ͜ͱ@thom_i40
ࠓ͢͜ͱ• ը૾ॲཧϥΠϒϥϦʮOpenCVʯͷ֓ཁ• ruby-opencvͷ֓ཁ• ruby-opencvΛ༻͍ͨମೝࣝ• ruby-opencvΛ׆༻ͨ͠Ռ
ࠓ͞ͳ͍͜ͱ• ಈըͷೖग़ྗ੍ޚ• ػցֶशͱOpenCV• ruby-opencvͷΈ• ίϯϐϡʔλϏδϣϯͷΈ
• Πϯςϧ͕։ൃ• Φʔϓϯιʔεͷը૾/ө૾ॲཧϥΠϒϥϦ• ΫϩεϓϥοτϑΥʔϜࢦͰઃܭ• C++, Java, Python, MATLABΛαϙʔτ• ༷ʑͳόΠϯσΟϯά͕ଘࡏOpenCV
ruby-opencv• Ruby༻ͷOpenCVϥούʔ• Ruby 2ܥ / OpenCV 2.4.13Λαϙʔτ• RubyDoc.infoͰυΩϡϝϯτΛఏڙ https://www.rubydoc.info/gems/ruby-opencv/frames
ڥߏங(OS X)• HomebrewͰOpenCVΛΠϯετʔϧ• gem install Ͱ ruby-opencv Λಋೖhttps://github.com/ruby-opencv/ruby-opencv
ࠓճհ͢Δػೳ• إݕग़• ԁݕग़• ઢݕग़• දతͳը૾ॲཧػೳ• ςϯϓϨʔτϚονϯά
άϨʔεέʔϧ / ೋԽॲཧsrc = CvMat.load('Sailboat.bmp')gray = src.BGR2GRAYbin = gray.threshold(128, 255, :binary)
ԁݕग़
HaarྨثʹΑΔإݕग़
HaarྨثʹΑΔإݕग़ͨͬͨߦͰ࣮Մೳ
ઢݕग़
ςϯϓϨʔτϚονϯά
ࠓճ࡞ͬͨՌ
ָේը૾͔ΒϝϩσΟΛநग़
ͬͨػೳ
ೋԽॲཧ
ϝϩσΟΛநग़
·ͱΊ• OpenCVʹ͍ͭͯհͨ͠• ruby-opencvΛ༻͍ͨମݕग़ʹ͍ͭͯհͨ͠• ָේը૾͔ΒϝϩσΟΛநग़͢ΔγεςϜΛ࡞ͬͨ• RubyͰجຊతͳը૾ೝ͕ࣝͰ͖Δ͜ͱ͕Θ͔ͬͨ
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠@thom_i40