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画像生成で遊ぶ / osc2021niigata

画像生成で遊ぶ / osc2021niigata

Open Source Conference 2021 Online/Niigata で発表した資料

kasacchiful

October 02, 2021
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  1. ը૾ੜ੒Ͱ༡Ϳ
    Open Source Conference 2021 Online/Niigata
    2021-10-02 @kasacchiful

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  2. Classmethod, Inc.


    Solutions Architect / Software Develper


    Favorite:


    Community:


    • JAWS-UG Niigata


    • Python ML in Niigata


    • JaSST Niigata


    • ASTER


    • SWANII


    • etc.


    Hiroshi Kasahara
    @kasacchiful
    @kasacchiful
    2

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  3. Pythonػցֶशษڧձ in Niigata
    IUUQTQZNMOJJHBUBDPOOQBTTDPN

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  4. աڈͷOSC NiigataͰͷൃද
    IUUQTTQFBLFSEFDLDPNLBTBDDIJGVMPTDOJJHBUB IUUQTTQFBLFSEFDLDPNLBTBDDIJGVMPTDOJJHBUB

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  5. ը૾ੜ੒ͷϞσϧ
    σʔλΛֶश
    ֶशͨ͠σʔλʹࣅͨ


    σʔλΛ৽ͨʹੜ੒

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  6. ը૾ੜ੒ͷϞσϧ
    • ΦʔτΤϯίʔμ


    • σʔλͷಛ௃Λѹॖ͠ɺॏཁͳಛ௃͚ͩ࢒ͨ͠ޙɺ෮ݩ


    • ఢରతੜ੒ωοτϫʔΫ (GAN)


    • ِ෺Λੜ੒͢Δ Generator ͱɺِ෺Λݟൈ͘ Discriminator ͕ڝ
    ͍߹͏Α͏ʹֶश͢Δ͜ͱͰਫ਼౓Λ্͛Δ

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  7. ΦʔτΤϯίʔμ
    • σʔλͷಛ௃Λѹॖ͠ɺॏཁͳಛ௃͚ͩ࢒ͨ͠ޙɺ෮ݩ


    • ग़ྗ͕ೖྗΛ࠶ݱ͢ΔΑ͏ʹֶश


    • தؒ૚͸ೖग़ྗ૚ΑΓখ͘͞

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  8. ఢରతੜ੒ωοτϫʔΫ (GAN)
    • 2ͭͷϞσϧΛޓ͍ʹڝΘͤΔΑ͏ʹֶश͢Δ͜ͱͰ
    σʔλΛੜ੒


    • Generator


    • ϥϯμϜͳϊΠζΛೖྗͱͯ͠ɺDiscriminator͕
    ຊ෺ͱؒҧ͏Α͏ͳσʔλΛੜ੒͢Δ


    • Discriminator


    • ຊ෺ͷσʔλͱGeneratorͷੜ੒σʔλΛਖ਼͘͠
    ൑ผ͢ΔΑ͏ʹֶश͢Δ

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  9. ओͳ༻్
    • ΦʔτΤϯίʔμ


    • ҟৗݕ஌


    • ϊΠζআڈ


    • GAN


    • ը૾ੜ੒


    • ը૾ΞϨϯδ (ը෩ͷมߋͳͲ)ɺը૾ԋࢉ ("Smailing Woman” - “Neutral Woman”
    + “Neutral Man” = “Smailing Man”)


    • ଞʹ΋Ԡ༻ଟ਺…

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  10. StyleGAN2 Ͱ ਓ෺ը૾ੜ੒αΠτ
    https://thispersondoesnotexist.com/

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  11. ࠓճͷσϞ

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  12. σϞͷ಺༰
    • Google ColaboratoryͰ࣮ߦࡁͷ಺༰Λ͓ݟͤ͠·͢ɻ


    • https://github.com/kasacchiful/osc2021niigata


    • VAE (Variational Auto Encoder)


    • MNISTͷ਺ࣈը૾σʔλΛ࢖ͬͯɺજࡏม਺ΛมԽͤ͞Δ͜ͱͰը૾Λ࡞Γग़͢


    • CycleGAN


    • അ͔ΒγϚ΢Ϛ΁ม׵


    • Ґஔ΍ܗঢ়͕όϥόϥͰ΋ɺྔ͑͋͞Ε͹͍͍ײ͡ʹม׵Ͱ͖ͯ͠·͏

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  13. Kerasͷαϯϓϧίʔυ
    • VAE:


    • https://keras.io/examples/generative/vae/


    • CycleGAN:


    • https://keras.io/examples/generative/cyclegan/

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  14. ·ͱΊ
    • ը૾ੜ੒Ͱ༡ΜͰΈͨ


    • αϯϓϧ΋ͨ͘͞Μެ։͞Ε͍ͯΔͷͰɺ༡ͼ΍͍͢

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  15. ͓͠·͍

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