Upgrade to Pro — share decks privately, control downloads, hide ads and more …

クックパッドにおけるCloud AutoML事例

chie8842
November 02, 2018

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。

chie8842

November 02, 2018
Tweet

More Decks by chie8842

Other Decks in Technology

Transcript

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


    View Slide

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

    View Slide

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

    View Slide

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

    View Slide

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

    View Slide

  6. Ϟνϕʔγϣϯ

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

    View Slide

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

    View Slide

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

    View Slide

  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

    View Slide

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

    View Slide

  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

    View Slide

  12. ͜Ε͔ΒͷαʔϏε
    ։ൃʹ͓͚Δػցֶश

    View Slide

  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

    View Slide

  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

    View Slide

  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

    View Slide

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

    View Slide