Uhlolojikelele
Ukumatanisa isithombe kuwubuciko bokusika isihloko esinesithombe esinama-pixel-perfect, imiphetho ebonisa ngale - ukuthatha yonke imicu ehlakaniphile yezinwele noma ukufiphala okunyakazayo. Ngokungafani nokuhlukaniswa okulula, ilinganisela ukuthi ingakanani iphikseli ngayinye engaphambili.
I-Image Matting ingeyokugeleza kokusebenza kombono wekhompuyutha okuhumusha noma okukhiqiza imidiya ebonakalayo ukuze ihlaziywe, isebenze, futhi isungule.
I-Deep Dive
I-Matting ixazulula isibalo esihlanganisayo: ipixel ngayinye eqashiwe iyinhlanganisela yombala ongaphambili nombala wangemuva, oxutshwe inani le-alpha eliphakathi kuka-0 no-1. Umgomo uwukubuyisela leyo alpha matte — imaski ethambile lapho u-1 engaphambili ngokugcwele, u-0 ungemuva ngokugcwele, futhi amanani amafrakshini athwebula izifunda ezingacacile noma ezikhanyayo. Lokhu akucaciswanga kahle ngokwezibalo, ngakho-ke izindlela zakudala zincike kumephu ewunxantathu edwetshwe ngumsebenzisi emaka indawo yangaphambili eqondile, ingemuva eliqondile, nezindawo ezingaziwa. Izindlela zokufunda ezijulile ezifana ne-Deep Image Matting (2017) zifunda ukubikezela i-alpha ngokuqondile ezithombeni nama-trimaps, kuyilapho amamodeli amasha angenayo i-trimap njenge-MODNet kanye ne-Robust Video Matting alinganisela i-matte ngesikhathi sangempela kusukela kusithombe-kume ngobude noma okuphakelayo kwekhamera yewebhu kuphela.
I-Technical Insight
Imodeli eyinhloko ithi I = alpha*F + (1 - alpha)*B, lapho ngiyiphikseli, u-F no-B banemibala yangaphambili nengemuva, futhi i-alpha iwukukhanya. Ngabathathu abaziwayo (i-pixel ye-RGB) kanye nokungaziwa okuyisikhombisa, inkinga idinga okubalulekile noma ukuqondiswa. Amanethiwekhi ama-Neural matting ahlehla ku-alpha esebenzisa izakhiwo zesikhiphi khodi, ngokuvamile anesigaba sokuhluza esihlukile esilola imiphetho. Ukulahlekelwa kuhlanganisa iphutha lokubikezela i-alpha nokulahlekelwa kokubhaliwe okuhlanganisa kabusha ukubikezela futhi kusiqhathanise nesithombe sokuqala.
Ukumatanisa Isithombe
Ukumatanisa isithombe kuwubuciko bokusika isihloko esinesithombe esinama-pixel-perfect, imiphetho ebonisa ngale - ukuthatha yonke imicu ehlakaniphile yezinwele noma ukufiphala okunyakazayo. Ngokungafani nokuhlukaniswa okulula, ilinganisela ukuthi ingakanani iphikseli ngayinye engaphambili. I-Image Matting ingeyokugeleza kokusebenza kombono wekhompuyutha okuhumusha noma okukhiqiza imidiya ebonakalayo ukuze ihlaziywe, isebenze, futhi isungule. Ukuze wakhe ukuqonda okujulile, phatha i-Image Matting njengemodeli yokusebenza, hhayi isici esisodwa: chaza imiphumela efiselekayo, cacisa ukuqagela, futhi uhlukanise lokho isistimu engakwenza ngokwethembeka kulokho okusadinga ukwahlulela kochwepheshe.
Empeleni, amaqembu aqinile asebenzisa ukunemba kwebhalansi ye-Image Matting 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
Isizinda esibonakalayo senkomfa ngevidiyo, sithatha indawo yegumbi elingemva kwesipikha ngesikhathi sangempela
Ifilimu ne-TV ehlanganisa isikrini esiluhlaza, ikhipha abalingisi abanemiphetho yezinwele ezihlanzekile ze-VFX
Izithombe zomkhiqizo we-E-commerce, ukubeka izinto kungemuva elimhlophe elihlanzekile ngokuzenzakalelayo
Imodi yokuma ngobude nokudala izitikha ezinhlelweni zokusebenza zefoni, ukunqamula abantu ukuze babelane nomphakathi
Amaphethini Okusebenzisa
Image Matting in practice
Isizinda esibonakalayo senkomfa ngevidiyo, sithatha indawo yegumbi elingemva kwesipikha ngesikhathi sangempela.
Isizinda esibonakalayo enkomfeni yevidiyo, esikhundleni segumbi elingemva kwesipika ngesikhathi sangempela Amaqembu ngokuvamile athola imiphumela engcono lapho echaza izinga eliphezulu ngaphambili, egcina indlela yokukhuphuka kwabantu yamacala asemaphethelweni, futhi elandelela kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
Image Matting in practice
Ifilimu ne-TV ehlanganisa isikrini esiluhlaza, ikhipha abalingisi abanemiphetho yezinwele ezihlanzekile ze-VFX.
Ukuhlanganisa ifilimu ne-TV yesikrini esiluhlaza, ukukhipha abadlali abanemiphetho yezinwele ezihlanzekile zamaQembu e-VFX kuvame ukuthola imiphumela engcono lapho bechaza ikhwalithi ephezulu ngaphambili, bagcine indlela yokukhuphuka kwabantu yamacala abucayi, futhi balandelele kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
Image Matting in practice
Izithombe zomkhiqizo we-E-commerce, ukubeka izinto kungemuva elimhlophe elihlanzekile ngokuzenzakalelayo.
Izithombe zomkhiqizo we-E-commerce, ukubeka izinto kungemuva elimhlophe elihlanzekile ngokuzenzakalela Amaqembu ngokuvamile athola imiphumela engcono uma echaza imingcele yekhwalithi ngaphambili, agcina indlela yokukhuphuka yomuntu yamacala asemaphethelweni, futhi alandelele kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
Image Matting in practice
Imodi yokuma ngobude nokudala izitikha ezinhlelweni zokusebenza zefoni, ukunqamula abantu ukuze babelane nomphakathi.
Imodi yokuma ngobude nokudalwa kwezitikha ezinhlelweni zokusebenza zefoni, ukunqamula abantu ukuze bahlanganyele nabanye 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.