Uhlolojikelele
I-StyleGAN iyinethiwekhi ekhiqizayo yokuphikisana evela ku-NVIDIA ekhiqiza ubuso nezinto ezingokoqobo ngokumangalisayo ngokujova ulwazi lwesitayela kuso sonke isendlalelo. Ibalulekile ngoba ukwakheka kwayo kunikeza ukulawula okungakaze kubonwe ngaphambili, okuhlukene phakathi kwezimfanelo zesithombe ezimahhadla nezinhle.
I-StyleGAN Architecture ingeyokugeleza kokusebenza kombono wekhompyutha ohumusha noma okhiqiza imidiya ebonakalayo ukuze ihlaziywe, isebenze, futhi isungule.
I-Deep Dive
I-StyleGAN, yethulwa nguKarras et al. ngo-2018, idizayine kabusha i-GAN generator mayelana nomqondo 'wesitayela.' Esikhundleni sokuphakela ivekhtha engahleliwe iqonde ngqo kunethiwekhi, iqala ngokwenza imephu ikhodi ecashile z nge-MLP enezingqimba ezingu-8 iye endaweni emaphakathi W, ehlukanisa izici zokuhlukahluka. I-tensor engaguquki efundiwe ibe isampula ngokuqhubekayo, futhi ekulungisweni ngakunye ivekhtha yesitayela imodela isici samamephu nge-Adaptive Instance Normalization (AdaIN), elawula izibaluli ukusuka ku-pose (izendlalelo ezimaholo) kuye ekuthuthweni kwesikhumba (izendlalelo ezinhle). Okokufaka komsindo wesendlalelo ngasinye kwengeza imininingwane ye-stochastic njengama-freckles nezinwele ezilahlekile. I-StyleGAN2 (2020) ithathele indawo i-AdaIN ngokunciphisa isisindo ukuze kususwe ama-artifact e-'blob', kanye ne-StyleGAN3 (2021) okunamathisela okunamathiselwe okugxilile kwe-aliasing ukwenza izici zihambe ngokwemvelo phakathi nokugqwayiza.
I-Technical Insight
Indlela eyinhloko ukuguquguquka okusekelwe kwisitayela. Inethiwekhi yemephu ishintsha u-z ibe ngu-w, futhi i-affine efundiwe iguqula i-w ibe isikali sesiteshi ngasinye kanye nokuchema kusetshenziswe kumamephu ezici ezijwayelekile ekulungisweni ngakunye. Ngenxa yokuthi izitayela zenza isendlalelo-ngesendlalelo, ungakwazi ukuhlanganisa u-w wesithombe esisodwa kuzendlalelo ezimahhadla nesinye ngezandlalelo ezinhle ('ukuxuba isitayela') ukuze ushintshanise ukuma ngenkathi ugcina ukuthungwa. Ukwehliswa kwe-StyleGAN2 kugoqa lezi zibalo zibe izisindo ze-convolution, kuqede ama-artifacts ajwayelekile.
I-Mastering StyleGAN Architecture
I-StyleGAN iyinethiwekhi ekhiqizayo yokuphikisana evela ku-NVIDIA ekhiqiza ubuso nezinto ezingokoqobo ngokumangalisayo ngokujova ulwazi lwesitayela kuso sonke isendlalelo. Ibalulekile ngoba ukwakheka kwayo kunikeza ukulawula okungakaze kubonwe ngaphambili, okuhlukene phakathi kwezimfanelo zesithombe ezimahhadla nezinhle. I-StyleGAN Architecture ingeyokugeleza kokusebenza kombono wekhompyutha ohumusha noma okhiqiza imidiya ebonakalayo ukuze ihlaziywe, isebenze, futhi isungule. Ukuze wakhe ukuqonda okujulile, phatha i-StyleGAN Architecture njengemodeli yokusebenza, hhayi isici esisodwa: chaza imiphumela efiselekayo, ucacise ukucabanga, futhi uhlukanise lokho uhlelo olungakwenza ngokwethembeka kulokho okusadinga ukwahlulela kochwepheshe.
Empeleni, amaqembu aqinile asebenzisa ukunemba kwebhalansi ye-StyleGAN Architecture namaqiniso okusebenza njengekhwalithi yedatha, ukuhluka kokukhanya, nokuvumelana kwamalebula. Babhala imibandela yempumelelo ecacile, ukuhlola okuqhathaniswa nedatha engokoqobo nokugeleza komsebenzi, futhi baphindaphinde ngokusekelwe kumaphethini okuhluleka aqashiwe esikhundleni sokuwina kwebhentshimakhi yesikhathi esisodwa. Yilapho ukuqonda kwethiyori kuguquka kube amandla ahlala njalo kuwo wonke umkhiqizo, inqubomgomo, kanye nokusebenza.
I-Visual AI ingakwazi ukuhlola, ukutholwa, nokumaka imisebenzi esikalini. Ngesikhathi esifanayo, amalungelo ezithombe kanye nemvume kungaba ubungozi bomthetho uma ukutholakala kungacacile. Indlela eqine kakhulu iwukuhlanganisa isivinini sokuhlola nesiyalo sokuphatha: qhuba abashayeli bezindiza, bamba ubufakazi, ushicilele amalogi ezinqumo, futhi ubuyekeze izivikelo ngokuqhubekayo njengoba imodeli yokuziphatha, okulindelwe ngabasebenzisi, kanye nezimfuneko zokulawula zishintsha.
I-Strategic Impact
I-Visual AI ingakwazi ukuhlola, ukutholwa, nokumaka imisebenzi esikalini.
I-Visual AI ingakwazi ukuhlola, ukutholwa, nokumaka imisebenzi esikalini. Ekusetshenzisweni kwekhwalithi ephezulu, lokhu kuhunyushwa emithethweni yokusebenza elinganisekayo, imingcele yobunikazi, nemikhuba yokubuyekeza ephindelelayo ukuze amaqembu akwazi ukukala ukuzethemba esikhundleni sokukala ukungaqondakali.
Amathimba aqanjiwe angakwazi ukulinganisa imiqondo ngokushesha ngezibuyekezo ezimbalwa ezenziwa mathupha.
Amathimba aqanjiwe angakwazi ukulinganisa imiqondo ngokushesha ngezibuyekezo ezimbalwa ezenziwa mathupha. Ekusetshenzisweni kwekhwalithi ephezulu, lokhu kuhunyushwa emithethweni yokusebenza elinganisekayo, imingcele yobunikazi, nemikhuba yokubuyekeza ephindelelayo ukuze amaqembu akwazi ukukala ukuzethemba esikhundleni sokukala ukungaqondakali.
Imisebenzi ingasebenzisa amasiginali wesithombe nawevidiyo obekunzima ukuwenza ngaphambilini.
Imisebenzi ingasebenzisa amasiginali wesithombe nawevidiyo obekunzima ukuwenza ngaphambilini. Ekusetshenzisweni kwekhwalithi ephezulu, lokhu kuhunyushwa emithethweni yokusebenza elinganisekayo, imingcele yobunikazi, nemikhuba yokubuyekeza ephindelelayo ukuze amaqembu akwazi ukukala ukuzethemba esikhundleni sokukala ukungaqondakali.
Ukuqaliswa Komhlaba Wangempela
Ikhiqiza ubuso bomuntu obungaqedi be-photorealistic, obungekho, njengoba kukhonjiswa yilepersondoesnotexist.com.
Ukuhlela kobuso be-semanthiki: kushintsha kahle iminyaka yobudala, indlela yokukhuluma, noma ukuma ngokuhambisana nezikhombisi-ndlela esikhaleni sika-W.
Ukudala idatha yokwenziwa yokuqeqeshwa kanye nama-avatar lapho izithombe zangempela, eziphephile zobumfihlo ziyindlala.
Amathuluzi obuciko ahlanganisa noma 'inhlanganisela yesitayela' phakathi kwezithombe ukuze kuhlanganiswe ukwakheka okumahhadla nemininingwane emihle.
Amaphethini Okusebenzisa
I-StyleGAN Architecture in practice
Ikhiqiza ubuso bomuntu obungaqedi be-photorealistic, obungekho, njengoba kukhonjiswa yilepersondoesnotexist.com.
Ikhiqiza ubuso bomuntu obungaqedi bezithombe, obungekho, njengoba kukhonjiswa yilepersondoesnotexist.com Amaqembu ngokuvamile athola imiphumela engcono lapho echaza izinga eliphezulu ngaphambili, egcina indlela yokukhuphuka yomuntu yamacala asemaphethelweni, futhi alandelele kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
I-StyleGAN Architecture in practice
Ukuhlela kobuso be-semanthiki: kushintsha kahle iminyaka yobudala, indlela yokukhuluma, noma ukuma ngokuhambisana nezikhombisi-ndlela esikhaleni sika-W.
Ukuhlela ubuso be-Semantic: ukushintsha kahle iminyaka yobudala, indlela yokukhuluma, noma ukuma ngokuhambisana nezikhombisi-ndlela kusikhala se-W Amaqembu ngokuvamile athola imiphumela engcono uma echaza izinga eliphezulu ngaphambili, egcina indlela yokukhuphuka yomuntu yamakesi asemaphethelweni, futhi elandelela kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
I-StyleGAN Architecture in practice
Ukudala idatha yokwenziwa yokuqeqeshwa kanye nama-avatar lapho izithombe zangempela, eziphephile zobumfihlo ziyindlala.
Ukudala idatha yokwenziwa yokuqeqeshwa kanye nama-avatar lapho izithombe zangempela, eziphephile zobumfihlo ziyindlala Amaqembu ngokuvamile athola imiphumela engcono uma echaza izinga eliphezulu ngaphambili, egcina indlela yokukhuphuka yabantu yamakesi asemaphethelweni, futhi alandelele kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
I-StyleGAN Architecture in practice
Amathuluzi obuciko ahlanganisa noma 'inhlanganisela yesitayela' phakathi kwezithombe ukuze kuhlanganiswe ukwakheka okumahhadla nemininingwane emihle.
Amathuluzi obuciko ahlanganisa noma 'inhlanganisela yesitayela' phakathi kwezithombe ukuze kuhlanganiswe ukwakheka okumahhadla nemininingwane emihle Amaqembu ngokuvamile athola imiphumela engcono uma echaza izinga eliphezulu ngaphambili, egcina indlela yokukhuphuka yabantu yamakesi asemaphethelweni, futhi alandelele kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
Izingozi & Guardrails
Amalungelo ezithombe kanye nemvume kungaba ubungozi bezomthetho uma ukuvela kungacacile.
Ukusebenza kwemodeli kungahluka kukho konke ukukhanya, izibalo zabantu, kanye nezindawo.
Okuhle okungelona iqiniso kungase kungabonakali ngaphandle uma izinga lokuzethemba liqashelwa.
Ukuqalisa Umhlahlandlela
Chaza indlela yokwamukela yokunemba, ukukhumbula, nezindleko zamaphutha.
Chaza indlela yokwamukela yokunemba, ukukhumbula, nezindleko zamaphutha. Phatha isinyathelo ngasinye njengesango lobufakazi: uma imibandela ingafinyelelwa, misa ukukhishwa, vala igebe, bese unweba ukusetshenziswa.
Hlola ngedatha efana nezimo zangempela zokukhiqiza.
Hlola ngedatha efana nezimo zangempela zokukhiqiza. Phatha isinyathelo ngasinye njengesango lobufakazi: uma imibandela ingafinyelelwa, misa ukukhishwa, vala igebe, bese unweba ukusetshenziswa.
Engeza isibuyekezo somuntu ukuze uthole ukuzethemba okuphansi noma izibikezelo zomthelela omkhulu.
Engeza isibuyekezo somuntu ukuze uthole ukuzethemba okuphansi noma izibikezelo zomthelela omkhulu. Phatha isinyathelo ngasinye njengesango lobufakazi: uma imibandela ingafinyelelwa, misa ukukhishwa, vala igebe, bese unweba ukusetshenziswa.
Landelela ukukhukhuleka kwemodeli bese uqinisekisa kabusha ngemva kwezinguquko zekhamera noma zesethi yedatha.
Landelela ukukhukhuleka kwemodeli bese uqinisekisa kabusha ngemva kwezinguquko zekhamera noma zesethi yedatha. Phatha isinyathelo ngasinye njengesango lobufakazi: uma imibandela ingafinyelelwa, misa ukukhishwa, vala igebe, bese unweba ukusetshenziswa.