Core MLのアップデートを3倍楽しむ方法 #wwdctokyo

Transcript

1. Core MLͷΞοϓσʔτ
   Λ3ഒָ͠Ήํ๏
   #wwdctokyo
   

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2. Core MLͷ৽ػೳɺ
   Ͳ͏৘ใऩू͠·͔͢ʁ
   

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3. WWDCͷηογϣϯΛݟΔ
   

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4. ˚
   

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5. WWDCηογϣϯͰ͸
   ͢΂ͯͷ৽API΍ͦͷ࣮૷ํ๏Λ
   ղઆ͍ͯ͠ΔΘ͚Ͱ͸ͳ͍
   

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6. ྫɿ Core ML 3Ͱ௥Ճ͞Εͨ100Ҏ্ͷ৽ϨΠϠʔ
   • WWDCͰͷݴٴ͸͜Ε͚ͩʗ௥ՃϨΠϠʔͷҰཡ͢Βͳ͍
   

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7. Core MLͷ৽ػೳɺ
   Ͳ͏৘ใऩू͠·͔͢ʁ
   

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8. Core MLͷAPIϦϑΝϨϯεΛݟΔ
   

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9. ˚
   

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10. • CoreML.framework͸࠷ऴతͳϞσϧʢmlmodelʣΛiOSͰѻ
    ͏෦෼͔͠ఏڙ͠ͳ͍
    

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11. • CoreML.framework͸࠷ऴతͳϞσϧʢmlmodelʣΛiOSͰѻ
    ͏෦෼͔͠ఏڙ͠ͳ͍
    ʮCore MLͰͰ͖Δ͜ͱʯ͸ϞσϧʹӅṭ͞Ε͍ͯΔ͜ͱ΋ଟ
    ͍
    

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12. ৽ػೳͷৄࡉ͕CoreML.framework
    ͷAPI͔Β͸ݟ͑ͯ͜ͳ͍͜ͱ΋ଟ͍
    

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13. ྫɿ
    • ͲΜͳ৽ϨΠϠʔ͕αϙʔτ͞Εͨͷ͔ʁ
    • ΫΥϯλΠζʢϞσϧαΠζΛখ͘͢͞Δػೳʣ
    • ΦϯσόΠεֶश͸Կ͕Ͱ͖ͯԿ͕Ͱ͖ͳ͍ͷ͔ʁ
    

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14. ΋ͬͱָ͠Ήʹ͸
    

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15. coremltoolsϦϙδτϦΛݟΔʂ
    

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16. ಛʹ͜͜: mlmodel/formatϑΥϧμ
    

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17. • Core MLϞσϧϑΝΠϧʢ.mlmodelʣ͸ɺProtocol Buffers
    Λϕʔεͱ͢ΔΦʔϓϯͳϑΥʔϚοτ
    • Ϟσϧ࢓༷͸coremltoolsϦϙδτϦͰެ։͞Ε͍ͯΔ
    • → mlmodel/format഑Լʹ͋Δ.protoϑΝΠϧ܈͕ͦΕ
    

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18. ྫɿ NeuralNetwork.proto
    χϡʔϥϧωοτϫʔΫʹ͓͍ͯར༻ՄೳͳϨΠϠʔ͕͜͜Ͱ
    ఆٛ͞Ε͍ͯΔ
    ConvolutionLayerParams convolution = 100;
    PoolingLayerParams pooling = 120;
    ActivationParams activation = 130;
    InnerProductLayerParams innerProduct = 140;
    EmbeddingLayerParams embedding = 150;
    ...
    → ίϛοτཤྺ͔Β༰қʹʮ৽ͨʹ௥Ճ͞ΕͨϨΠϠʔ͸ͲΕ
    ͳͷ͔ʯΛ֬ೝͰ͖Δ
    

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19. ྫɿ Model.proto
    • Core MLϞσϧ࢓༷ͷϧʔτతͳprotoϑΝΠϧ
    • େ࿮ͱͯ͠Ͳ͏͍͏ػೳ͕௥Ճ͞Ε͔ͨ͸͜͜Ͱ͔ͭΊΔ
    message Model {
    int32 specificationVersion = 1;
    ModelDescription description = 2;
    bool isUpdatable = 10;
    oneof Type {
    // pipeline starts at 200
    PipelineClassifier pipelineClassifier = 200;
    PipelineRegressor pipelineRegressor = 201;
    Pipeline pipeline = 202;
    // regressors start at 300
    GLMRegressor glmRegressor = 300;
    ...
    

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20. examplesϑΥϧμ΋௒༗ӹ
    • ৽ػೳΛ࢖͏αϯϓϧ͕ஔ͍ͯ͋Δ
    • ৄࡉͳղઆίϝϯτ͖ͭ
    

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21. ͞Βʹָ͠Ήʹ͸
    

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22. ެࣜϞσϧ഑෍ϖʔδΛݟΔ
    

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23. • ಉ༷ͷϞσϧ͕໺ྑͰطʹग़͍ͯΔ৔߹΋ଟ͍͕ɺ΍͸Γެ
    ࣜͷํ͕඼࣭͕ߴ͍͜ͱ͕ଟ͍
    • ࡢ೥΋৽APIൃදͷλΠϛϯάͰ͍͔ͭ͘௥Ճ͞Εͨɹ
    

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24. Create ML΍Turi CreateͷΞοϓσʔτ΋ݟΔ
    • Create ML͸खܰʹϞσϧΛͭ͘ΕΔ͕ʮΦϞνϟʯͰ͸શ
    વͳ͍
    • TensorFlow΍PyTorchͰ࡞੒ͨ͠ϞσϧΑΓ΋༏Ε͍ͯΔ఺
    ͢Β͋Δ
    • खܰʹຊ֨తͳΧελϜϞσϧΛ࡞੒Ͱ͖ΔΑ͏ʹͳΔͷͩ
    ͔ΒɺʮԿ͕Ͱ͖Δ͔ʯ͙Β͍͸೺Ѳ͓͍ͯͨ͠ํ͕Α͍
    

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25. ظ଴͢ΔΞοϓσʔτ
    

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26. noteʹॻ͖·ͨ͠
    

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27. ·ͱΊ
    • Core MLͷ৽ػೳΛΩϟονΞοϓ͢Δʹ͸WWDCηογϣ
    ϯ΍Core MLϑϨʔϜϫʔΫͷAPIϦϑΝϨϯεͰ͸ෆे෼
    • coremltoolsϦϙδτϦΛݟΑ͏
    • Core MLϞσϧʢ.mlmodelʣ͸ϓϩτίϧόοϑΝϕʔε
    ͷΦʔϓϯͳϑΥʔϚοτɻͦͷఆٛ͸͢΂ͯ͜ͷϦϙδ
    τϦʹ͋Δɻ
    • αϯϓϧϑΥϧμ΋༗ӹ
    

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28. ࠷ޙʹએ఻
    

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29. Core ML ToolsຊɺηʔϧதͰ͢
    • 3500ԁˠ1500ԁʢࢴ+ిࢠͷηοτʣ
    • ిࢠ൛͸Ξοϓσʔτ͞ΕΔͷͰҰ੾ଛ͸͋Γ·ͤΜʂ
    

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30. WWDC2020Ͱษڧͨ͜͠ͱΛॻ͍͍ͯ͘༗ྉϚΨδϯ
    • ·ͩهࣄ͕ͳ͍ͷͰࠓͳΒͨͬͨͷ500ԁʂ
    • ʢαϒεΫͰ͸ͳ͘ങ͍੾ΓͰ͢ʣ
    

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