クックパッドにおけるCloud AutoML事例

Cookpad Tech Kitchen #19 R&Dにおけるサービス開発者の仕事(https://cookpad.connpass.com/event/104459/ )における発表資料です。

Transcript

1. ΫοΫύουʹ͓͚Δ
   "VUP.-
   ݚڀ։ൃ෦ ػցֶशάϧʔϓ
   ྛాઍӯ
   !DIJF
   2018/11/01
   Cookpad Tech Kitchen #19 R&D
   
   
   

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2. $IJF)BZBTIJEB
   • ػցֶशνʔϜ ιϑτ΢ΣΞΤϯδχΞ
   • ػցֶशϞσϦϯά΋΍Δ͠ج൫΋΍Δ͠ΞϓϦ΋ॻ͘
   • ೑͕޷͖
   !DIJF
   8FC%# 1SFTTͰ
   ػցֶशΞϓϦ࡞੒ͷ
   ೖ໳هࣄΛॻ͍ͨ
   1Z$PO+1 %FW'FTU
   ͳͲͰొஃ
   

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3. 5-%3
   • ,PNFSDPʢΫοΫύου৽نࣄۀʣʹ͓͚Δ
   (PPHMF $MPVE"VUP.-ࣄྫͷ঺հ
   • αʔϏε։ൃͷಓ۩ͱͯ͠ػցֶशΛ࢖ͬͯ
   ͍͜͏ʂͱ͍͏࿩
   

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4. ,PNFSDPʹ͓͚Δ
   (PPHMF $MPVE "VUP.-ࣄྫ
   

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5. • ΫοΫύουͷ&$৽نࣄۀ
   • ྉཧಓ۩ɺ͏ͭΘɺΧτϥϦʔɺϦωϯࡶ՟ͳͲͷ
   lྉཧָ͕͘͠ͳΔϞϊz͕ങ͑Δ
   ϚϧγΣΞϓϦ
   ͔ͭͬͯΈͯͶʂ
   

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6. Ϟνϕʔγϣϯ
   
   ΋ͱ΋ͱग़඼ऀͷࡋྔͰࣗ༝ʹλά෇͚
   ͕ߦΘΕ͍͕ͯͨɺߪೖऀʹΑΔݕࡧ͠
   ΍͢͞ͷͨΊɺΧςΰϦ෼͚Λߦ͍͍ͨ
   

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7. ঎඼ը૾Λ༻͍ͨΧςΰϦ෼ྨ
   • ঎඼ը૾Λ༻͍ͯશΧςΰϦʹ෼ྨ͍ͨ͠
   ۚଐͷث
   സ ΧτϥϦʔ Τϓϩϯ
   ϑϥΠύϯ
   ು แஸ
   Ωονϯ
   πʔϧ ಃث
   ࣓ث ໦ͷث
   Ψϥεͷث ࣫ث
   ห౰ശ
   Ωονϯ
   ϑΝϒϦοΫ
   

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8. (PPHMF$MPVE"VUP.-7JTJPO
   • ػցֶशϞσϧΛτϨʔχϯάͯ͠ɺࣗ෼ͷఆٛ
   ͨ͠ϥϕϧʹैͬͯը૾Λ෼ྨ͢Δ͜ͱ͕Ͱ͖Δɺ
   ($1্ͷαʔϏε
   

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9. (PPHMF$MPVE"VUP.-7JTJPO
   • ,PNFSDP͸ج൫ͱͯ͠'JSFCBTFΛ࠾༻͓ͯ͠Γɺಉ͡
   ($1্ͷαʔϏεͰ͋Δ$MPVE"VUP.-ͱ૬ੑ͕͍͍
   • ػցֶशΤϯδχΞ͕͍ͳ͘ͱ΋ӡ༻͕Մೳ
   • Ψοͱࣗ෼Ͱ࡞ͬͨ*ODFQUJPO7ϞσϧΑΓੑೳ͕
   Αͦ͞͏ͩͬͨ
   • ϞσϧͷαʔϏϯάͳͲͷख͕͍ؒΒͣɺΠχγϟϧ
   ͷར༻͕ߦ͍΍͍͢
   • ίετ໘Ͱ΋ػցֶशΤϯδχΞͷ޻਺΍(16
   ΠϯελϯεΛར༻࣮ͨ͠ݧίετΛߟྀ͢Δͱ
   ༏ҐͰ͋Δ
   

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10. ߟྀͨ͠఺ᶃ
    • ৽نαʔϏεͳͷͰɺը૾਺͕গͳ͍ΧςΰϦ
    ͕͋Δ
    • Πϯλʔωοτ্ͷը૾Λ௥Ճֶͯ͠श
    • ΧςΰϦͷ͏ͪɺʮಃثʯͱʮ࣓ثʯͳͲɺࢹ
    ֮৘ใ͔Β൑ผ͕೉͍͠ΧςΰϦ͕͋Δ
    • ҰͭͷΧςΰϦͱͯ͠ਪఆ͠ɺग़඼ऀʹͲͪΒ͔બ
    ΜͰ΋Β͏
    

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11. ߟྀͨ͠఺ᶄ
    • ෳ਺ͷΧςΰϦͷ͏ͪͲͪΒ͔೰·͍͠৔߹͕͋Δ
    • ໦੡ͷห౰ശˠΧςΰϦީิɿ໦ͷث PSห౰ശ
    • ঎඼ΧςΰϦͱ͍ͨͨ͠ΊɺείΞεϨογϣϧυ ˞
    
    ΛԼ͛ͯෳ਺ͷΧςΰϦީิ͔Βग़඼ऀʹબ͹ͤΔ
    • ࠓޙΧςΰϦ৘ใ͕มߋͱͳΔՄೳੑ͕͋Δ
    • ࠓճֶशͷͨΊͷϥϕϧ෇͚͸ࣾ಺ͰਓखͰߦ͕ͬͨɺ
    ࠓޙΧςΰϦͷ௥ՃɾมߋͳͲ͕ߟ͑ΒΕΔ
    • (PPHMF$MPVEͷ)VNBO-BCFMJOHαʔϏεͷར༻ͳͲ͕
    ߟ͑ΒΕΔ
    ˞
    "VUP.-ʹ͓͚Δਪఆ࣌ͷࢦඪɻ͜ͷ஋Λߴ͘͢Δͱ৴པ౓ͷߴ͍ީิͷΈΛฦ٫͠ɺ
    ௿͘͢Δͱ৴པ౓͕௿͍ީิ΋ฦ٫͢Δ
    

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12. ͜Ε͔ΒͷαʔϏε
    ։ൃʹ͓͚Δػցֶश
    

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13. ਓ޻஌ೳͷౙ͸དྷͳ͍ʢͱ͍͏ਓ΋͍Δʣ
    https://www.wsj.com/articles/ai-guru-andrew-ng-on-the-job-market-of-tomorrow-1540562400
    ػցֶशΛ༻͍ͨαʔϏε։ൃ͸ࠓޙ΋ٻΊΒΕ͍ͯ͘
    (PPHMF#SBJOͷDPGPVOEFSɺ#BJEV
    3FTFBSDIͷ"OESFX/Hͷهࣄ
    

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14. ػցֶशͷར༻ύλʔϯ
    ֶशࡁΈϞσϧΛར༻͢Δ͚ͩͷύλʔϯ
    • Google Cloud Vision API
    • Amazon Rekognition
    • Azure Cognitive Services
    ΧελϜϞσϧΛ࡞Δύλʔϯ
    • Google Cloud AutoML
    • "EB/FU r 5FOTPSGMPXϕʔεͷ"VUP.-ϑϨʔϜϫʔΫ
    • 5105 r TDJLJUMFBSOͷϋΠύύϥϝʔλνϡʔχϯάΛࣗಈԽ͢Δ
    πʔϧ
    ࠷৽ٕज़Λར༻ͯ͠ݻ༗ͷϞσϧΛ࡞Δ
    ύλʔϯ
    • 5FOTPSGMPX΍TDJLJUMFBSOΛར༻ͯࣗ͠෼Ͱ
    ϞσϧΛ࡞ΓɺσϓϩΠ͢Δ
    • ΍ Ͱղ͚ͳ͍໰୊ʹରͯ͠͸͜ͷํ๏͕ඞཁ
    easy
    difficult
    ͱ ͸ػցֶशΤϯδχΞ͕͍ͳ͘ͱ΋ѻ͑Δ
    

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15. easy
    difficulty
    ػցֶशͷར༻ύλʔϯ
    • ֶशࡁΈϞσϧΛར༻͢Δ͚ͩͷύλʔϯ
    • Google Cloud Vision API
    • Amazon Rekognition
    • Azure Cognitive Services
    • ΧελϜϞσϧΛ࡞Δύλʔϯʢ"VUP.-ʣ
    • Google Cloud AutoML
    • "EB/FU r 5FOTPSGMPXϕʔεͷ"VUP.-ϑϨʔϜϫʔΫ
    • 5105 r TDJLJUMFBSOϕʔεͷػցֶशύΠϓϥΠϯͷ࠷దԽπʔϧ
    • ࠷৽ٕज़Λར༻ͯ͠ݻ༗ͷϞσϧΛ࡞Δύλʔϯ
    • Tensorflowscikit-learn
    
    
    • ػցֶशͷઐ໳஌͕ࣝඞཁͳΞϧΰϦζϜ࣮૷ɺϋΠύʔύϥϝʔλ
    νϡʔχϯάͳͲΛࣗಈͰߦͬͯ͘ΕΔ
    • ͜ΕΒΛ͏·͘࢖͏͜ͱͰɺػցֶश͕Ͱ͖ͳͯ͘΋ɺαʔϏε։ൃͷ
    ෯͕޿͕Δ
    • Ϧαʔνʹ͓͍ͯ΋஫໨͞Ε͍ͯΔ෼໺ͷҰͭ
    

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16. ·ͱΊ
    • ػցֶश͸ɺࠓޙػցֶशཧ࿦ʹৄ͍͠ઐ໳Ո
    Ͱͳͯ͘΋ѻ͏͜ͱ͕Ͱ͖ΔΑ͏ʹͳ͍ͬͯ͘
    • (PPHMF$MPVE"VUP.-͸ศརʂ
    • ͱ͸͍͑ղ͚Δ໰୊ͱղ͚ͳ͍໰୊͕͋Δ
    • αʔϏε։ൃͷಓ۩ͱͯ͠ػցֶशΛ͏·͘
    ࢖͍ͬͯ͜͏ʂ
    

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