GAN -Generative Adversarial Networks- (2019-09-26)

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GAN -Generative Adversarial Networks- abekoh ஫: ͜ͷεϥΠυ͸2019/09ʹࣾ಺LTͰൃදɺ 2022/10ʹҰ෦मਖ਼ͨ͠΋ͷͰ͢

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GANͱ͸ʁ

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What’s GAN? • Generatve Adversarial Networks • ఢରతੜ੒ωοτϫʔΫ • σΟʔϓϥʔχϯάʹΑΔੜ੒ΞϧΰϦζϜ • ଟ͘͸ը૾ੜ੒ʹར༻͞ΕΔ • GAN(Ϊϟϯ)ͱུ͞ΕΔ

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ྫ: إࣸਅͷੜ੒ • ϦΞϧࣸਅͱ൑ผෆೳͳϨϕϧͷِը૾ΛAI͕ੜ੒Մೳ ʹͳΔGANs޲͚ΞʔΩςΫνϟΛNVIDIA͕࡞੒ - Gigazine IUUQTHJHB[JOFOFUOFXTOWJEJBTUZMFCBTFEHFOFSBUPSBSDIJUFDUVSFHBOT

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ྫ: ೋ࣍ݩը૾ • MakeGirlsMoe IUUQTNBLFHJSMTNPF

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ྫ: ࣗಈண৭ • PaintsChainer IUUQTQBJOUTDIBJOFSQSFGFSSFEUFDIJOEFY@KBIUNM

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௒࠷ۙͷྫ: إࣸਅͷϑϦʔૉࡐ • generated.photos

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GANͷֶशͷ࢓૊Έ

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χϡʔϥϧωοτʹΑΔը૾ೝࣝ ͿͲ͏ ΓΜ͝ Έ͔Μ ύΠϯ ϝϩϯ Ұൠతͳ৞ΈࠐΈχϡʔϥϧωοτ

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ٯ޲͖ʹ͢Δͱɺը૾ੜ੒ثʹ

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ఢର͢Δ2ͭͷχϡʔϥϧωοτ Λ࢖ֶͬͯश VS. (FOFSBUPS ੜ੒ث %JTDSJNJOBUPS ෼ผث ِ෺Λੜ੒ ຊ෺ِ͔෺͔൑ผ

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GANͷֶशεςοϓ(1/3) %JTDSJNJOBUPS ຊ෺ ِ෺ • Discriminatorʹຊ෺Λڭ͑ࠐ·ͤΔ ਖ਼͘͠ຊ෺ͱ෼ผ͢ΔΑ͏ʹ ຊ෺

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GANͷֶशεςοϓ(2/3) • Generator͕DiscriminatorΛὃ͢Α͏ʹ   ڭ͑ࠐ·ͤΔ %JTDSJNJOBUPS ຊ෺ ِ෺ %JTDSJNJOBUPSΛٗ͘ (FOFSBUPS ੜ੒ِͨ͠෺ ೖྗ͸஋ҬΛߜͬͨཚ਺஋

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GANͷֶशεςοϓ(3/3) %JTDSJNJOBUPS ຊ෺ ِ෺ • Discriminatorʹِ෺Λڭ͑ࠐ·ͤΔ ِ෺Λਖ਼͘͠൑ผͰ͖ΔΑ͏ʹ ੜ੒ِͨ͠෺

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͜ͷ3εςοϓΛ܁Γฦֶ͠श

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GANͷਐԽ

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GAN (2014.6) • I. J. Goodfellow (Google)ʹΑΔ࠷ॳͷ࿦จ

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DCGAN (2015.11) • Deep Convolutional GAN • ৞ΈࠐΈχϡʔϥϧωοτͰ   ߴղ૾౓ը૾ʹରԠ ଐੑͷ଍͠ࢉҾ͖ࢉ

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Text to Image (2016.5) • จষ͔Βը૾Λੜ੒ จষΛೖྗʹೖΕΔ

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pix2pix (2016.11) • ը૾͔Βը૾΁ͷม׵

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Stack GAN (2016.12) • ΋ͬͱߴղ૾౓ʹ

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Wasserstein GAN (2017.1) • ໨తؔ਺Λେ෯मਖ਼ɺύϥϝʔλௐ੔ָ͕ʹ ͳΜ͔͜Μͳ͔ࣜͭ͏

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ͪͳΈʹ… • ֶੜ࣌୅͸͜ΕΛར༻ͯ͠ɺ   ϑΥϯτͷࣗಈੜ੒Λ͢Δݚڀͯ͠·ͨ͠ https://github.com/uchidalab/fontdesign_gan