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

2019/09に社内LTで発表、2022/10に一部修正したものです

Transcript

1. GAN -Generative Adversarial Networks- abekoh  ஫: ͜ͷεϥΠυ͸2019/09ʹࣾ಺LTͰൃදɺ 2022/10ʹҰ෦मਖ਼ͨ͠΋ͷͰ͢
2. GANͱ͸ʁ 
3. What’s GAN? • Generatve Adversarial Networks • ఢରతੜ੒ωοτϫʔΫ • σΟʔϓϥʔχϯάʹΑΔੜ੒ΞϧΰϦζϜ • ଟ͘͸ը૾ੜ੒ʹར༻͞ΕΔ • GAN(Ϊϟϯ)ͱུ͞ΕΔ 
4. ྫ: إࣸਅͷੜ੒ • ϦΞϧࣸਅͱ൑ผෆೳͳϨϕϧͷِը૾ΛAI͕ੜ੒Մೳ ʹͳΔGANs޲͚ΞʔΩςΫνϟΛNVIDIA͕࡞੒ - Gigazine  IUUQTHJHB[JOFOFUOFXTOWJEJBTUZMFCBTFEHFOFSBUPSBSDIJUFDUVSFHBOT
5. ྫ: ೋ࣍ݩը૾ • MakeGirlsMoe  IUUQTNBLFHJSMTNPF
6. ྫ: ࣗಈண৭ • PaintsChainer  IUUQTQBJOUTDIBJOFSQSFGFSSFEUFDIJOEFY@KBIUNM
7. ௒࠷ۙͷྫ: إࣸਅͷϑϦʔૉࡐ  • generated.photos
8. GANͷֶशͷ࢓૊Έ 
9. χϡʔϥϧωοτʹΑΔը૾ೝࣝ ͿͲ͏ ΓΜ͝ Έ͔Μ ύΠϯ ϝϩϯ Ұൠతͳ৞ΈࠐΈχϡʔϥϧωοτ 
10. ٯ޲͖ʹ͢Δͱɺը૾ੜ੒ثʹ 
11. ఢର͢Δ2ͭͷχϡʔϥϧωοτ Λ࢖ֶͬͯश VS. (FOFSBUPS
    ੜ੒ث %JTDSJNJOBUPS
    ෼ผث ِ෺Λੜ੒ ຊ෺ِ͔෺͔൑ผ 
12. GANͷֶशεςοϓ(1/3) %JTDSJNJOBUPS ຊ෺ ِ෺ • Discriminatorʹຊ෺Λڭ͑ࠐ·ͤΔ ਖ਼͘͠ຊ෺ͱ෼ผ͢ΔΑ͏ʹ ຊ෺ 
13. GANͷֶशεςοϓ(2/3) • Generator͕DiscriminatorΛὃ͢Α͏ʹ 
 ڭ͑ࠐ·ͤΔ %JTDSJNJOBUPS ຊ෺ ِ෺ %JTDSJNJOBUPSΛٗ͘ (FOFSBUPS ੜ੒ِͨ͠෺ ೖྗ͸஋ҬΛߜͬͨཚ਺஋ 
14. GANͷֶशεςοϓ(3/3) %JTDSJNJOBUPS ຊ෺ ِ෺ • Discriminatorʹِ෺Λڭ͑ࠐ·ͤΔ ِ෺Λਖ਼͘͠൑ผͰ͖ΔΑ͏ʹ ੜ੒ِͨ͠෺ 
15. ͜ͷ3εςοϓΛ܁Γฦֶ͠श 
16. GANͷਐԽ 
17. GAN (2014.6) • I. J. Goodfellow (Google)ʹΑΔ࠷ॳͷ࿦จ 
18. DCGAN (2015.11) • Deep Convolutional GAN • ৞ΈࠐΈχϡʔϥϧωοτͰ 
 ߴղ૾౓ը૾ʹରԠ ଐੑͷ଍͠ࢉҾ͖ࢉ 
19. Text to Image (2016.5) • จষ͔Βը૾Λੜ੒ จষΛೖྗʹೖΕΔ 
20. pix2pix (2016.11) • ը૾͔Βը૾΁ͷม׵ 
21. Stack GAN (2016.12) • ΋ͬͱߴղ૾౓ʹ 
22. Wasserstein GAN (2017.1) • ໨తؔ਺Λେ෯मਖ਼ɺύϥϝʔλௐ੔ָ͕ʹ ͳΜ͔͜Μͳ͔ࣜͭ͏ 
23. ͪͳΈʹ… • ֶੜ࣌୅͸͜ΕΛར༻ͯ͠ɺ 
 ϑΥϯτͷࣗಈੜ੒Λ͢Δݚڀͯ͠·ͨ͠  https://github.com/uchidalab/fontdesign_gan