InoteveraGaidhi rinotevera
Conditional GANs
AI Yekutarisa
Gwara reVisual AI
Kukura kunofambira mberi kunodzidzisa GAN nekutanga pane zvigadziriso zvidiki uye zvishoma nezvishoma nekuwedzera maseru kuti isvike mifananidzo ine-yepamusoro-soro.
Teerera kugwaro iriAI-yakarondedzerwa · ~2 min
Izvo zvine basa nekuti yakaita yakagadzikana, megapixel-mhando GAN synthesis inoshanda kekutanga.
Yakaunzwa naKarras et al. (NVIDIA) muna 2017, kukura kunofambira mberi (ProGAN) inobata kusagadzikana uye kunonoka kwekudzidzisa maGAN zvakananga pakugadziriswa kwepamusoro. Ose ari maviri jenareta nerusarura anotanga diki, pa4x4 pixels, achidzidza hombe-chimiro chimiro. Matunhu matsva anopeta gadziriso (8x8, 16x16, kusvika 1024x1024) anobva awedzerwa symmetrically kune ese ma network panguva yekudzidziswa. Zvine hutsinye, imwe neimwe nyowani nyowani inopera mushe muchishandisa mutsara alpha musanganiswa saka network haina kuvhundutswa nekukasira kwekuvaka shanduko. Nekudzidza zvakakasharara pamberi pezvakanakisa, kudzidziswa kunowedzera kugadzikana, kuchinjika nekukurumidza, uye kunogadzira zviso zvekuvimbika zvakaita kuti mhedzisiro yeCelebA-HQ ive nemukurumbira. Iro bepa rakaunzawo minibatch standard kutsauka uye yakaenzana mareti ekudzidza kuti awedzere kudzikamisa kudzidziswa.
Training on CelebA-HQ to generate synthetic high-resolution face samples.
Studying GAN synthesis on LSUN scene categories.
Understanding the staged architecture that the original StyleGAN extended.
Comparing coarse-to-fine schedules with later fixed-architecture GAN training.
Kukura kunofambira mberi kwaive hwaro StyleGAN yakavakirwa pairi, asi StyleGAN2 yakazoratidza kuti chivakwa chakamisikidzwa chine skip yekubatanidza uye zvakasara zvidhinha zvaigona kuenderana nemhando yayo pasina hurongwa hwakarongwa, saka kukura kuri pachena kwakatadza kufarirwa. Nhaka yakadzama inoenderera mberi: chizvarwa chakaomarara-kune-chakanaka chave kuoneka mukupararira kwezvikero zvakawanda, mapaipi akadhindwa epamusoro-resolution, uye latent-space upscaler. Kunzwisisa kukura kunofambira mberi kunoramba kwakakosha pakubata kuti nei hierarchical, yakaderera-kusvika-yepamusoro-frequency kudzidza ichidzikamisa kudzidziswa kwekubereka.
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Kukura kunofambira mberi kunodzidzisa GAN nekutanga pane zvigadziriso zvidiki uye zvishoma nezvishoma nekuwedzera maseru kuti isvike mifananidzo ine-yepamusoro-soro. Izvo zvine basa nekuti yakaita yakagadzikana, megapixel-mhando GAN synthesis inoshanda kekutanga.
Kudzidzira kunotanga pa4x4, uko ma network anodzidza chimiro chakaomarara, pamberi pepamusoro-resolution layer yawedzerwa.
Kudzidza kwakakasharara maficha anotanga kudzikamisa kudzidziswa uye kumhanya kuchinjika zvichienzaniswa nekurwisa kuzere resolution kubva pakutanga.
Linear fade-in inosanganisa iyo nyowani yekubuda neupsampled yakaderera-resolution kubuda kuitira kuti network igadzirike zvishoma nezvishoma.
Manetiweki ese ari maviri anokura mu tandem kuitira kuti musarura arambe achiongorora mifananidzo pazvinogadziriswa jenareta.
Inowedzera nhamba pamusoro pekusiyana kwebatch, ichikurudzira jenareta kuti ibudise zvinobuda zvakasiyana pane kudonha.
Ramba uchidzidza
Mamwe madhairekitori akasarudzirwa nyaya iyi
InoteveraGaidhi rinotevera
Conditional GANs
AI Yekutarisa