TensorFlowと機械学習の今

TensorFlowと機械学習の今

Transcript

1. %FWFMPQFST*0
    & ฏా
   ܓ "84ίϯαϧςΟϯά෦
   Ϋϥεϝιου ⡥
   $MBTTNFUIPE
   *OD ೥݄೔ 5FOTPS'MPXͱػցֶशͷࠓ 
2. ⡥
   $MBTTNFUIPE
   *OD ࣗݾ঺հ ໊લ : ฏా ܓ (@masuwo3) ॴଐ : σʔλ෼ੳνʔϜ ݱࡏ : 2015೥5݄ΑΓΫϥεϝιουೖࣾ աڈ : ಛ೚ॿڭɺSEɺITߨࢣɺetc... ML : ݚڀࣨͰ͔ͬͨ͡ఔ౓ 
3. ⡥
   $MBTTNFUIPE
   *OD 
4. ⡥
   $MBTTNFUIPE
   *OD ࠓ೔͓࿩͢͠Δ͜ͱ ਂ૚ֶशͱ5FOTPS'MPXʹ͍ͭͯɺ
   ࣗ෼͕͜Ε·ͰʹֶΜͰ͖ͨ͜ͱΛɺ
   ͬ͘͟Γͱ࿩͠·͢ɻ 
5. ⡥
   $MBTTNFUIPE
   *OD ΞδΣϯμ w ਂ૚ֶशʹ͍ͭͯͷ֓ཁ
   w 5FOTPS'MPXͷ࠷ۙͷಈ޲
   w ਂ૚ֶशͷࣄྫʹ͍ͭͯ
   %FFQ
   2/FUXPSL 
6. ਂ૚ֶश 
7. ⡥
   $MBTTNFUIPE
   *OD ਂ૚ֶशͷ֓ཁ w ਂ૚ֶशͱ͸ͳʹ͔ʁ
   w ଟ૚͔ΒͳΔχϡʔϥϧωοτϫʔΫʹΑΔֶश 
8. ⡥
   $MBTTNFUIPE
   *OD w
   χϡʔϥϧωοτϫʔΫͱ͸ʁ
   w ਆܦࡉ๔ͷಈ͖Λ࠶ݱ͢ΔͨΊʹ࡞ΒΕͨϞσϧ
   w ݱࡏ͸ύʔηϓτϩϯϞσϧΛ༻͍ͨܭࢉωοτϫʔΫશൠ  χϡʔϥϧωοτϫʔΫͷ͓͞Β͍
    x1 x2 x3 w3 w2 w1 u y y = u ( w1x1 + w2x2 + ... )
9. ⡥
   $MBTTNFUIPE
   *OD χϡʔϥϧωοτϫʔΫͷ͓͞Β͍
     w
   χϡʔϥϧωοτϫʔΫʹ͓͚Δֶश
   w ֶश͸ύʔηϓτϩϯͷॏΈΛߋ৽ͯ͠ߦ͏
   w ޡࠩؔ਺Λ࠷খͱ͢ΔॏΈΛ୳ࡧతʹٻΊΔ x1 x2 x3 u y w1 w2 w3
10. ⡥
    $MBTTNFUIPE
    *OD χϡʔϥϧωοτϫʔΫͷ͓͞Β͍
      w
    ύʔηϓτϩϯͷू߹
    
    ֶशϞσϧ
11. ⡥
    $MBTTNFUIPE
    *OD w ଟ૚ωοτϫʔΫͷݶք
    w ૚Ҏ্ͷωοτϫʔΫͰ͸ֶश͕҆ఆ͠ͳ͍
    w $//ͳͲɺҰ෦ͷख๏Ͱ͸੒ޭ
    w ͳͥࠓ·Ͱଟ૚ԽͰ͖ͳ͔ͬͨͷ͔ʁ
    w ޯ഑ফࣦ໰୊
    w ଟ૚ͷ৔߹ɺೖྗ૚ʹۙͮ͘΄Ͳޡ͕ࠩগͳ͘ͳΔ
    w ݁Ռͱͯ͠ɺֶश͕҆ఆͤͣɺਫ਼౓͕޲্͠ͳ͍  ଟ૚ωοτϫʔΫͷ໰୊఺
12. ⡥
    $MBTTNFUIPE
    *OD ਂ૚ֶशͷొ৔ w ଟ૚ωοτϫʔΫʹΑΔֶश͕࠶஫໨
    w ͖͔͚ͬ͸%FFQ
    #FMJFG
    /FUXPSL
    w 3#.Λ༻͍ͯஈ֊తʹ//Λߏங
    w ͳͥͰ͖ΔΑ͏ʹͳͬͨͷ͔ʁ
    w ஈ֊తʹ//Λߏங͢Δ͜ͱͰɺॳظ஋Λ҆ఆԽ
    w ଟ૚//ʹ஫໨͕ू·Δ
    w ݱࡏ͸༷ʑͳख๏Ͱফࣦ໰୊Λճආ͍ͯ͠Δ 
13. ⡥
    $MBTTNFUIPE
    *OD ਂ૚ֶशͷಛ௃ w ෳࡶԽ͢ΔϞσϧ
    w HPPH-F/FU
     w ֶशʹ͔͔Δܭࢉίετ͕രൃ
    w ख๏ͷݕূ͕ࠔ೉
14. 5FOTPS'MPX 
15. ⡥
    $MBTTNFUIPE
    *OD 5FOTPS'MPXʹ͍ͭͯ w (PPHMF੡ͷػցֶशϥΠϒϥϦ
    w %FFQ
    -FBSOJOH
    Ҏ߱
    w 1ZUIPO
    
    w $6%"
      2015/6/9 2015/11/20 2013/10/20 caffe v0.1 chainer ެ։ TensorFlow ެ։ …..
16. ⡥
    $MBTTNFUIPE
    *OD w ॊೈੑ
    w ػցֶशͷϞσϧΛॊೈʹهड़Ͱ͖Δ
    w /FVSBM
    /FUXPSLʹݶఆ͠ͳ͍
    w ϙʔλϏϦςΟ
    w ؀ڥʹ߹ΘͤͯܭࢉॲཧΛߦ͏
    w $16(16
    ϥοϓτοϓαʔό
    ͳͲ
    w ݚڀ੒Ռͱ੡඼ͷ࿈݁
    w ݚڀ੒ՌͷݕূΛߦ͍΍͘͢
    w ϓϩμΫτʹస༻͠΍͘͢  5FOTPS'MPXͷಛ௕
    ެ͔ࣜΒ
17. ⡥
    $MBTTNFUIPE
    *OD 5FOTPS'MPXʹ͓͚Δܭࢉॲཧ w 5FOTPS'MPX͸ܭࢉΛάϥϑߏ଄Ͱදݱ͢Δ  Y ˎ ʴ Z C 8
18. ⡥
    $MBTTNFUIPE
    *OD 5FOTPSͱ0QFSBUJPO  σʔλ͸Tensor ܭࢉॲཧ͸Operation 5FOTPS 5FOTPS op 5FOTPS 5FOTPS
19. ⡥
    $MBTTNFUIPE
    *OD 5FOTPSʹ͍ͭͯ  ֊਺0ͷςϯιϧ (εΧϥ) ֊਺1ͷςϯιϧ (ϕΫτϧ) ֊਺2ͷςϯιϧ (ߦྻ) ֊਺3ͷςϯιϧ  <   ʜ> <<   ʜ>
    
    <   ʜ>
    
    <   ʜ>
    
    ʜ
    
    
    
    
    
    
    
    
    
    > <<<   ʜ> ʜ>
    
    <<   ʜ> ʜ>
    
    <<   ʜ> ʜ>
    
    
    ʜ
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    > B B<> B<><> B<><><>
20. ⡥
    $MBTTNFUIPE
    *OD 4FTTJPOʹ͍ͭͯ w ܭࢉॲཧ͸ϑΣΠζ %FpOF
    
    3VO  Define Run • ܭࢉͷάϥϑϞσϧΛߏங͢ΔϑΣΠζ • ͜ͷ࣌఺Ͱ͸ܭࢉ݁Ռ͸֬ఆ͠ͳ͍ • άϥϑϞσϧ͔Βܭࢉ݁ՌΛ֬ఆ͢ΔϑΣΠζ • SessionʹϞσϧΛ౤ೖ͠ɺܭࢉ݁ՌΛಘΔ
21. ⡥
    $MBTTNFUIPE
    *OD 5FOTPSͱ0QFSBUJPO w 4FTTJPO
    w όοΫΤϯυͷ$ ϞδϡʔϧͱͷίωΫγϣϯ
    w ࣮ࡍͷԋࢉ͸͜ͷ$ Ϟδϡʔϧ্ͰߦΘΕΔ
    w ܭࢉϦιʔε͕ࣗಈతʹׂΓ౰ͯΒΕΔ  Y ˎ ʴ Z C 8 cpu:0 gpu:0
22. ⡥
    $MBTTNFUIPE
    *OD 0QUJNJ[FSʹ͍ͭͯ w ଛࣦؔ਺ͷ࠷খԽ
    w ػցֶशͷʮֶशʯ͸ɺଛࣦؔ਺ͷ࠷খԽʹஔ͖׵͑ΒΕΔ
    w ࠷খ఺ͷ୳ࡧʹ͸ɺޯ഑ܭࢉ͕ඞཁ
    w 5FOTPS'MPXͰ͸0QUJNJ[FSͰֶशΛҰׅͯ͠ߦ͏ 
23. ⡥
    $MBTTNFUIPE
    *OD 0QUJNJ[FSʹ͍ͭͯ w 0QUJNJTFS
    w ޯ഑ܭࢉ͔Β୳ࡧ·ͰΛҰׅͰߦ͏
    w ޯ഑ͷܭࢉ͸ɺάϥϑϞσϧΛࣗಈతʹม׵
    w ֶशख๏ʹ߹Θͤͯ಺෦ͷॏΈΛߋ৽͍ͯ͘͠
    w άϥϑͰදݱ͞Εͨଛࣦؔ਺͔ΒɺࣗಈతʹֶशΛߦ͏ 
24. ⡥
    $MBTTNFUIPE
    *OD 5FOTPS'MPXͷػೳ  w 5FOTPS#PBSE ֶशաఔ΍Ϟσϧͷߏ଄ΛՄࢹԽ
25. ⡥
    $MBTTNFUIPE
    *OD 5FOTPS'MPXͷػೳ  w 5FOTPS#PBSE ֶशաఔ΍Ϟσϧͷߏ଄ΛՄࢹԽ
26. ⡥
    $MBTTNFUIPE
    *OD ͳͥ.-ϥΠϒϥϦ͕ٻΊΒΕ͍ͯΔ͔ w ੒ՌΛڞ༗͢Δ্Ͱͷڞ௨ج൫ͱͯ͠
    w ͓ޓ͍ͷ੒ՌΛڞ༗͢Δ্Ͱͷڞ௨ݴޠͱͯ͠
    w ϞσϧΛͲͷΑ͏ʹߏங͢Δ͔͸ϊ΢ϋ΢Ϩϕϧ
    w ࢼߦࡨޡʹΑͬͯ৽ͨͳൃݟΛظ଴
    w ίετ໰୊ͷղܾ
    w ΑΓޮ཰తͳܭࢉॲཧͷͨΊͷج൫͕ඞཁ
    w (16Λ༻͍ͨฒྻͳԋࢉ
    w Ϛϧν(16ʹΑΔฒྻॲཧ
    
    w େن໛ΫϥελʹΑΔεέʔϧΞ΢τ 
27. ⡥
    $MBTTNFUIPE
    *OD %JTUSJCVUFE
    5FOTPS'MPX  w ʮϚγϯΫϥελΛͭͷֶशػցͱͯ͠ѻ͏ʯ
    w 5FOTPS'MPX͸ɺʮ͍͔ʹͯ͠ܭࢉΛ෼ࢄͤ͞Δ͔ʯΛॏࢹ
    w ෳ਺Ϛγϯʹద༻ͨ͠ϥΠϒϥϦΛۙ೔ެ։༧ఆ
    w ؾʹͳΔ఺
    w ֶशύϥϝʔλͷಉظ͕ϘτϧωοΫ
    w (PPHMF͸௿஗ԆωοτϫʔΫʹΑͬͯߴ଎ԽΛ࣮ݱ
    w ಈ͘؀ڥ͸͔ͳΓݶΒΕͦ͏
28. %FFQ
    2-FBSOJOH 
29. ⡥
    $MBTTNFUIPE
    *OD %FFQ
    2/FUXPSL w %FFQ
    -FBSOJOH
    
    ڧԽֶश
    w Ϟχλը૾͔ΒήʔϜͷઓུΛֶश
    w ಉ͡ϞσϧͰ༷ʑͳήʔϜΛ߈ུ
    w ήʔϜʹΑͬͯ͸ϓϩҎ্ͷ੒Ռ
     XXXOBUVSFDPNOBUVSFKPVSOBMWOGVMMOBUVSFIUNM
30. ⡥
    $MBTTNFUIPE
    *OD ڧԽֶश w ؀ڥͱΤʔδΣϯτ
    w ΤʔδΣϯτ͸؀ڥΛ஌֮͠ɺͦΕʹର͢ΔߦಈΛܾఆ
    w ߦಈʹΑͬͯརಘΛಘΒΕΔ ಘΒΕͳ͍৔߹΋͋Δ
    w աڈͷܦݧ͔Βɺ؀ڥʹରͯ͠࠷దͳߦಈΛܾఆ͢Δ  ΤʔδΣϯτ ؀ڥ
31. ⡥
    $MBTTNFUIPE
    *OD 2
    -FBSOJOH w ߦಈՁ஋ؔ਺ʹΑͬͯߦಈΛܾఆ͢Δ
    w ঢ়ଶɺߦಈΛೖྗͱ͢ΔߦಈՁ஋ؔ਺ΛٻΊΔ
    w աڈͷߦಈཤྺ͔ΒߦಈՁ஋ؔ਺Λߋ৽͠ɺ࠷దͳߦಈΛܾ ఆ͢Δ  ߦಈ
    
    ঢ়ଶ T T T ʜ B  B  B  ʜ
32. ⡥
    $MBTTNFUIPE
    *OD 2/FUXPSL w ߦಈՁ஋ؔ਺Λ//Ͱදݱ
    w ݹయతͳςʔϒϧؔ਺ͩͱঢ়ଶ͕രൃ͠΍͍͢
    w ϝϞϦͷ໰୊ɺαϯϓϦϯάͷ໰୊
    w //ʹΑͬͯߦಈՁ஋ؔ਺Λۙࣅͤ͞Δ
    w ߦಈՁ஋ؔ਺ͷਫ਼౓͸//ͷදݱྗʹґଘ 
33. ⡥
    $MBTTNFUIPE
    *OD %FFQ
    2/FUXPSL w ৞ΈࠐΈ// $// ΛධՁؔ਺ʹར༻
    w ը໘৘ใΛ௚઀ঢ়ଶͱͯ͠ѻ͍ɺߦಈΛܾఆ͢Δ 
34. ⡥
    $MBTTNFUIPE
    *OD ࣮ݧ݁Ռ  w "UBSJ
    
    7JEFP
    0MZNQJDT
35. ⡥
    $MBTTNFUIPE
    *OD %2/ͷ໘ന͍ͱ͜Ζ w ΞΠσΞ͸ͱͯ΋෼͔Γ΍͍͢
    w 2/FUXPSLʹରͯ͠$//Λద༻ͯ͠Έͨ
    w ਂ૚ֶश͕ଞ෼໺ʹରͯ͠΋Өڹ͍ͯ͠Δ
    w ಛ௃ྔͷࣗಈநग़ͱ͍͏ੑ࣭Λ͏·͘ར༻
    w ಉҰͷֶशϞσϧ͔ΒɺϧʔϧͷҟͳΔήʔϜΛ߈ུ͢Δ
    w $//Λར༻͢Δ͜ͱͰɺΑΓ޿൚ͳڧԽֶशϞσϧ 
36. ⡥
    $MBTTNFUIPE
    *OD ·ͱΊ w ػցֶशͷࠓ
    
    ਂ૚ֶश
    w ͨͩ͠ɺະͩʹख๏ʹ͍ͭͯ͸ࢼߦࡨޡ
    w .-ϥΠϒϥϦ 5FOTPS'MPX ͷొ৔
    w ૿େ͢Δܭࢉίετ໰୊ͷղܾ
    w ੒ՌΛڞ༗͢ΔͨΊͷڞ௨ج൫
    w ਂ૚ֶशͷ੒Ռ͸ଞ෼໺ͷػցֶशʹ΋Өڹ 
37. %FWFMPQFST*0
     " ⡥
    $MBTTNFUIPE
    *OD #cmdevio2016 ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ
    ϒϩά͸ޙ΄Ͳެ։͠·͢ɻ