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ը૾ੜͰ༡Ϳ Open Source Conference 2021 Online/Niigata 2021-10-02 @kasacchiful
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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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Pythonػցֶशษڧձ in Niigata IUUQTQZNMOJJHBUBDPOOQBTTDPN
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աڈͷOSC NiigataͰͷൃද IUUQTTQFBLFSEFDLDPNLBTBDDIJGVMPTDOJJHBUB IUUQTTQFBLFSEFDLDPNLBTBDDIJGVMPTDOJJHBUB
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ը૾ੜͷϞσϧ σʔλΛֶश ֶशͨ͠σʔλʹࣅͨ σʔλΛ৽ͨʹੜ
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ը૾ੜͷϞσϧ • ΦʔτΤϯίʔμ • σʔλͷಛΛѹॖ͠ɺॏཁͳಛ͚ͩͨ͠ޙɺ෮ݩ • ఢରతੜωοτϫʔΫ (GAN) • ِΛੜ͢Δ Generator ͱɺِΛݟൈ͘ Discriminator ͕ڝ ͍߹͏Α͏ʹֶश͢Δ͜ͱͰਫ਼Λ্͛Δ
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ΦʔτΤϯίʔμ • σʔλͷಛΛѹॖ͠ɺॏཁͳಛ͚ͩͨ͠ޙɺ෮ݩ • ग़ྗ͕ೖྗΛ࠶ݱ͢ΔΑ͏ʹֶश • தؒೖग़ྗΑΓখ͘͞
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ఢରతੜωοτϫʔΫ (GAN) • 2ͭͷϞσϧΛޓ͍ʹڝΘͤΔΑ͏ʹֶश͢Δ͜ͱͰ σʔλΛੜ • Generator • ϥϯμϜͳϊΠζΛೖྗͱͯ͠ɺDiscriminator͕ ຊͱؒҧ͏Α͏ͳσʔλΛੜ͢Δ • Discriminator • ຊͷσʔλͱGeneratorͷੜσʔλΛਖ਼͘͠ ผ͢ΔΑ͏ʹֶश͢Δ
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ओͳ༻్ • ΦʔτΤϯίʔμ • ҟৗݕ • ϊΠζআڈ • GAN • ը૾ੜ • ը૾ΞϨϯδ (ը෩ͷมߋͳͲ)ɺը૾ԋࢉ ("Smailing Woman” - “Neutral Woman” + “Neutral Man” = “Smailing Man”) • ଞʹԠ༻ଟ…
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StyleGAN2 Ͱ ਓը૾ੜαΠτ https://thispersondoesnotexist.com/
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ࠓճͷσϞ
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σϞͷ༰ • Google ColaboratoryͰ࣮ߦࡁͷ༰Λ͓ݟͤ͠·͢ɻ • https://github.com/kasacchiful/osc2021niigata • VAE (Variational Auto Encoder) • MNISTͷࣈը૾σʔλΛͬͯɺજࡏมΛมԽͤ͞Δ͜ͱͰը૾Λ࡞Γग़͢ • CycleGAN • അ͔ΒγϚϚม • Ґஔܗঢ়͕όϥόϥͰɺྔ͑͋͞Ε͍͍ײ͡ʹมͰ͖ͯ͠·͏
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Kerasͷαϯϓϧίʔυ • VAE: • https://keras.io/examples/generative/vae/ • CycleGAN: • https://keras.io/examples/generative/cyclegan/
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·ͱΊ • ը૾ੜͰ༡ΜͰΈͨ • αϯϓϧͨ͘͞Μެ։͞Ε͍ͯΔͷͰɺ༡ͼ͍͢
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͓͠·͍