Deep Learning for Image Recognition in Python
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Deep Learning for Image Recognition in Python

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"Deep Learning for Image Recognition in Python" at PyCon JP

"Deep Learning for Image Recognition in Python" at PyCon JP
https://pycon.jp/2014/schedule/presentation/20/

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http://youtu.be/JWGXQhVHTTA

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Deep Learning for Image Recognition in Python Deep Learning for Image Recognition in Python Presentation Transcript

  • Deep Learning for Image Recognition in Python x Hideki Tanaka PyCon JP 2014
  • PyCon䛳䛶ఱ?
  • PyCon䛿ྜ䝁䞁䛷䛿䛒䜚䜎䛫䜣 #pyconjp
  • @atelierhide
  • @atelierhide = ?
  • @atelierhide = Lens Designer
  • @atelierhide = Photographer
  • @atelierhide = Pythonista
  • @atelierhide = Kaggler
  • ᮏ᪥䛾䛚㢟䛿…
  • Image Recognition x Deep Learning
  • ⏬ീㄆ㆑ x ῝ᒙᏛ⩦
  • ேཱྀ▱⬟(AI)䛾䛚ヰ䛷䛩
  • ேཱྀ▱⬟(AI)䛸ゝ䛘䜀…
  • Pepperྩ
  • 䛣䛾䝉䝑䝅䝵䞁䛷ⓙ䛥䜣䛸⪃䛘䛯䛔 1 䛯䛳䛯䜂䛸䛴䛾䛣䛸
  • Pepperྩ䛻ఱ䜢䛧䛶ḧ䛧䛔䛛?
  • Agenda 1. Image Recognition䛳䛶ఱ? 2. Deep Learning䛳䛶ఱ? 3. Pepperྩ䛻䛧䛶ḧ䛧䛔䛣䛸
  • Image Recognition䛳䛶ఱ?
  • Dog or Cat?
  • 䛹䛖䜔䛳䛶ㄆ㆑䛩䜛?
  • ⏬ീ䛛䜙≉ᚩ㔞䜢ᢳฟ ᶵᲔᏛ⩦ (scikit-learn)
  • ୍⯡ⓗ䛺≉ᚩ㔞 SURF Haar-like features Python䝷䜲䝤䝷䝸 OpenCV Mahotas
  • Training set Test set : 25,000 images : 12,500 images
  • Accuracy 60% with Haar-like features
  • 䛧䛛䛧䚸䝇䝁䜰䝪䞊䝗䛷䛿…
  • Accuracy >95% with Deep Learning
  • 98.5%!?
  • Deep Learning䛩䛢䛗䟿
  • Deep Learning䛳䛶ఱ?
  • ከᒙ䝙䝳䞊䝷䝹䝛䝑䝖䝽䞊䜽 input output hidden × n
  • Core Language Binding Theano/Pylearn2 cuda-convnet OverFeat Caffe DeCAF Python C++ Lua C++ Python - Python Python Python - Pre-trained Networks Framework × × 䕿 䕿 䕿
  • Pre-trained Networks ImageNet Large Scale Visual Recognition Challenge 䛾䛯䜑䛻Deep Learning䛾◊✲⪅䛜సᡂ䛧䛯䝛䝑䝖䝽䞊䜽 䠄Deep Convolutional Neural Networks䠅
  • Pre-trained Networks䜢⏝䛔䛶≉ᚩ㔞䜢ᢳฟ (DeCAF) ᶵᲔᏛ⩦ (scikit-learn)
  • Accuracy 96% with Deep Learning
  • 䛣䛣䜎䛷䛾ヰ䜢䜎䛸䜑䜛䛸…
  • Deep Learning䛷ฟ᮶䜛䛣䛸 㧗⢭ᗘ䛾⏬ീㄆ㆑ Pepperྩ䛿ぢ䛯䜒䛾䜢䜋䜌㛫㐪䛔䛺䛟ㄆ㆑
  • 䛷䚸Pepperྩ䛻ఱ䜢䛧䛶ḧ䛧䛔䛛?
  • Pepperྩ䛜䜽䝸䜶䜲䝔䜱䝤䛺௙஦䜢䛩䜛 ♫఍ⓗ䛺䜲䞁䝟䜽䝖
  • Pepperྩ䝥䝻䝕䝳䞊䝇䛾䜰䜲䝗䝹䜾䝹䞊䝥
  • ୡ⏺ึ! ேཱྀ▱⬟䛻䜘䜛䜰䜲䝗䝹䜾䝹䞊䝥!
  • 䛭䛾ྡ䜒…
  • JKC48
  • JKC48 䠄䛨䜣䛣䛖䛱䛾䛖48䠅
  • JKC48䛾స䜚᪉
  • 1. 䜰䜲䝗䝹䛾㢦⏬ീ䜢㞟䜑䜛 2. 䜰䜲䝗䝹௨እ䛾㢦⏬ീ䜢㞟䜑䜛 3. Deep Learning䛷ㄆ㆑ჾ䜢స䜛 4. Pepperྩ䛻ᶵ⬟䜢ᦚ㍕䛩䜛 5. Pepperྩ䛜䝯䞁䝞䞊䜢䝇䜹䜴䝖䛩䜛
  • 䛣䛣䛛䜙䛾䝇䝷䜲䝗䛿఍ሙ䛻䛰䛡බ㛤䛧䜎䛩…
  • 1. 䜰䜲䝗䝹䛾㢦⏬ീ䜢㞟䜑䜛 2. 䜰䜲䝗䝹௨እ䛾㢦⏬ീ䜢㞟䜑䜛 3. Deep Learning䛷ㄆ㆑ჾ䜢స䜛 4. Pepperྩ䛻ᶵ⬟䜢ᦚ㍕䛩䜛 5. Pepperྩ䛜䝯䞁䝞䞊䜢䝇䜹䜴䝖䛩䜛
  • Demo
  • JKC48䛾䝯䞁䝞䞊ເ㞟୰䛷䛩…
  • 㛤Ⓨ⎔ቃ Ubuntu 12.04 pyenv + miniconda–3.4.2 (Python 2.7.8) Flask, OpenCV, DeCAF
  • 䛤ពぢ䚸䛤ឤ᝿䚸䜰䜲䝕䜰䜢䛚ᚅ䛱䛧䛶䛚䜚䜎䛩 #pyconjp
  • ᮏ᪥䛾ෆᐜ䛿௨ୖ䛷䛩䛜…
  • One More Thing…
  • ᫂᪥䛾䝫䝇䝍䞊䝉䝑䝅䝵䞁䛻ཧຍ䛧䜎䛩!
  • 䝔䞊䝬䛿…
  • ⏬ീㄆ㆑䛻ᇶ䛵䛟ኴ㝧⣔ᝨᫍ⩌䛾ᵓ㐀≀᥈⣴
  • ➲ᑿ࿴ᏹ䚷ᒣᮏග✑䚷ዉⰋ㒊㝯⾜䚷㧗ᶫඞᚨ䚷᳃⏣┤ᶞ ⏣୰⚽ᶞ䚷ఀ⸨♸┿䚷ᅧྜྷ㞞ே䚷ⱑᮌ㱟䚷ὸ㔝᠇┬ ఍⏣ᐥḟ㑻䚷఍⏣⿱Ꮚ䚷ᰩཎ୍㈗
  • The esperanto generator torajiro aida 11:30- Media Hall
  • 䛒䜚䛜䛸䛖䛤䛦䛔䜎䛧䛯!