Uhlolojikelele
I-Instant-NGP yindlela ye-NVIDIA eqeqesha i-Neural Radiance Fields nezinye izinto zokuqala zezithombe ze-neural ngemizuzwana esikhundleni samahora ngokugcina izici ezifundekayo kuthebula le-hashi le-multiresolution. Ibalulekile ngoba yenze izinga eliphezulu lokuthwebula isigcawu se-3D ngokushesha ngokwanele ukuze kuzwakale kusebenzisana.
I-Instant-NGP Hash Encoding ingeyokugeleza komsebenzi okubona ngekhompyutha okuhumusha noma okukhiqiza imidiya ebonakalayo ukuze ihlaziywe, isebenze, futhi isungule.
I-Deep Dive
I-Instant Neural Graphics Primitives (NVIDIA, 2022) ihlasela ibhodlela eliyinhloko lama-NeRFs: i-MLP enkulu okufanele kubuzwe izikhathi eziyizigidi. Esikhundleni sokufaka ikhodi ye-3D enezici ezigxilile ze-sinusoidal nokuthembela kunethiwekhi enkulu, i-Instant-NGP isebenzisa i-multiresolution hashi encoding. Isikhala simbozwa amagridi amaningana ngezinqumo ezahlukene; imephu yeseli yegridi ngayinye, ngomsebenzi we-spatial hashi, ibe yithebula elihlangene lamavekhtha wesici esifundekayo. Ukuze uhlanganise iphuzu, isistimu ibheka phezulu bese ihlobanisa izici ngomugqa ongunxantathu kusuka kuleveli yokulungiswa, izihlanganise, futhi ikuphakele lokho ku-MLP encane. Ngenxa yokuthi izethulo eziningi ezifundiwe zihlala kumathebula okubheka futhi kusele inethiwekhi encane kuphela, ukuqeqeshwa kanye nokunikezwa kuba yimiyalo yobukhulu ngokushesha, ngokuvamile kuguqule amahora abe amasekhondi.
I-Technical Insight
Ingxenye ehlakaniphile ivumela ukushayisana kwe-hashi kwenzeke ngamabomu. Ithebula le-hashi linosayizi omisiwe, ngakho-ke amaseli egridi amaningi angakwazi ukufaka imephu endaweni efanayo; i-MLP encane kanye nokwehla kwe-gradient kufunda ukuhlukanisa ukungqubuzana ngoba izifunda ezibalulekile, eziminyene kakhulu zikhiqiza ama-gradient aqinile futhi ziwine ngempumelelo izikhala ezabiwe. Amazinga wokuxazulula okuningi asho ukuthi amaleveli amaholoholo awashayisani kuyilapho amaleveli amahle abelana ngokufakiwe, ukulinganisa imininingwane ngokumelene nenkumbulo.
Ukwenza Ikhodi Esheshayo-NGP Hash
I-Instant-NGP yindlela ye-NVIDIA eqeqesha i-Neural Radiance Fields nezinye izinto zokuqala zezithombe ze-neural ngemizuzwana esikhundleni samahora ngokugcina izici ezifundekayo kuthebula le-hashi le-multiresolution. Ibalulekile ngoba yenze izinga eliphezulu lokuthwebula isigcawu se-3D ngokushesha ngokwanele ukuze kuzwakale kusebenzisana. I-Instant-NGP Hash Encoding ingeyokugeleza komsebenzi okubona ngekhompyutha okuhumusha noma okukhiqiza imidiya ebonakalayo ukuze ihlaziywe, isebenze, futhi isungule. Ukuze wakhe ukuqonda okujulile, phatha i-Instant-NGP Hash Encoding njengemodeli yokusebenza, hhayi isici esisodwa: chaza imiphumela oyifunayo, ucacise ukucabanga, futhi uhlukanise lokho isistimu engakwenza ngokwethembeka kulokho okusadinga ukwahlulela kochwepheshe.
Empeleni, amaqembu aqinile asebenzisa ukunemba kwebhalansi ye-Instant-NGP Hash Encoding 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
Ukuthwebula into yangempela noma igumbi ku-NeRF ngemizuzwana ukusuka kusethi yezithombe zocingo
Ukufaka umsebenzi webanga elisayindiwe ku-neural ukuze kuboniswe umumo we-3D osheshayo
Ukucindezela nokumelela isithombe segigapixel njengenkambu ye-neural eqhubekayo
Inika amandla ukwakhiwa kabusha kwesigcawu esisheshayo ngaphakathi kwamathuluzi okucwaninga kanye nokubonwa kwangaphambili kwe-VFX
Amaphethini Okusebenzisa
Ukufaka ikhodi kwe-Instant-NGP kuyasebenza
Ukuthwebula into yangempela noma igumbi ku-NeRF ngemizuzwana ukusuka kusethi yezithombe zocingo.
Ukuthwebula into yangempela noma igumbi ku-NeRF ngemizuzwana ukusuka kusethi yezithombe zocingo Amaqembu ngokuvamile athola imiphumela engcono uma echaza izinga eliphezulu ngaphambili, egcina indlela yokukhuphuka yomuntu yamakesi asemaphethelweni, futhi alandelele kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
Ukufaka ikhodi kwe-Instant-NGP kuyasebenza
Ukufaka umsebenzi webanga elisayindiwe ku-neural ukuze kuboniswe umumo we-3D osheshayo.
Ukufaka umsebenzi webanga elisayiniwe ku-neural wokumelela umumo we-3D osheshayo Amathimba ngokuvamile athola imiphumela engcono uma echaza izilinganiso zekhwalithi ngaphambili, agcine indlela yokukhuphuka yomuntu yamakesi asemaphethelweni, futhi alandelele kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
Ukufaka ikhodi kwe-Instant-NGP kuyasebenza
Ukucindezela nokumelela isithombe segigapixel njengenkambu ye-neural eqhubekayo.
Ukuminyanisa nokumelela isithombe se-gigapixel njengenkundla ye-neural eqhubekayo Amaqembu ngokuvamile athola imiphumela engcono uma echaza imingcele yekhwalithi ngaphambili, egcina indlela yokukhuphuka yomuntu yamakesi asemaphethelweni, futhi alandelele kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
Ukufaka ikhodi kwe-Instant-NGP kuyasebenza
Inika amandla ukwakhiwa kabusha kwesigcawu esisheshayo ngaphakathi kwamathuluzi okucwaninga kanye nokubonwa kwangaphambili kwe-VFX.
Ukunika amandla ukwakhiwa kabusha kwesigcawu esisheshayo ngaphakathi kwamathuluzi okucwaninga kanye namaQembu Okubona kusengaphambili kwe-VFX ngokuvamile athola imiphumela engcono lapho echaza imingcele yekhwalithi ngaphambili, agcine indlela yokukhuphuka yomuntu yamacala 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.