Radiance neuronal
Neural Radiance Fields (NeRF) dafay defaraat seen 3D bu mat sëkk ci ay nataal yu bari, loolu dina tax nga mëna yóbbu kameraa bi ci barab yu bees.
Résumé
Dafa soppali 3D capture ngir tàggat ab reso neuronal bu ndaw moo gën tabax ab mbaal.
Plongeur bu xóot
Introduced in 2020 by Mildenhall and colleagues, NeRF stores an entire scene inside a small neural network (a multilayer perceptron). Given a 3D point and a viewing direction, the network outputs that point's color and how opaque it is. Ngir render pixel, NeRF dafay tiire benn rayon ci biir scene bi, jël ay poñ ci biir, laaj reso bi, ba noppi jaxase resultaa yi ci rendu volume. Ndax liggéey bi yépp mën nañu ko wuutale, dañuy tàggat reso bi ci méngale pixel yiñ joxe ak nataal yiñ dugal dëgg, ba noppi ñu defar leen ba ñuy méngoo. The payoff is striking photorealism, including view-dependent effects like reflections and glossy highlights that change as you move. The downsides are that each scene needs its own training run, and the original method was slow to both train and render.
Gis-gis xarala
NeRF dafay màndargaal ab seen ni ab fonction 5D bu wéy: dugal ab position (x, y, z) boole ci ab yoon buñuy xoole (ñaari angle), MLP dafay delloo melo RGB ak dëgëraay volume. Benn detay bu am solo mooy encodage positionnel, muy xayma coordonnée yi ci fonction sinus ak cosinus yu fréquence yu kawe suko defee reso bi mëna jàpp detay yu leer te baña génne ay output yu fësul. Rendering dafay boole melo ak dëgëraay ci rayon kamera bu nekk, diisaay bi gëna jege, misaal yu gëna opaque di gëna diis, gëna gën math bu rendering volume classique bi ñu mëna tàggat.
njeextalu pexe
Gaawaay ak yaatuwaay
Visual IA mën na otomatise saytu, gis ak etiketu liggéey ci eskaal.
Tabax tànneef
Ekipu kreatif yi mën nañu defar konsept yu gëna gaaw te duñu def lu bari ci loxo.
Ekip ak def liggéey
Liggéeyukaay yi mën nañu jëfandikoo siñaal nataal wala wideo yu jafewoon lool ci liggéey.
Ëlëgu barabi Radiance Neural
Gëstu NeRF dafa jëm ca kanam ginaaw 2020, ak topp-topp yu melni Instant-NGP dagg tàggat yaram ci waxtu yi ba segond yi di jëfandikoo enkodaasu hash-grid, ak Mip-NeRF di gëna baaxal kalite ci balans yi. The field is increasingly merging with or being challenged by Gaussian Splatting, which renders faster. Xaarandi pexe yu bawoo ci NeRF ci wàllu kàrt, xoolum produit e-commerce, efekt filmu, ak AR/VR, boole ci màgg ci NeRFs yu am doole yiy jëfandikoo seen yuy toxu ak "ci àll bi" di jàpp ak leeral buy soppiku. The big themes are speed, editability, and capturing scenes from fewer, messier photos.
Doxal ci àdduna dëgg
Soppi wideo telefon ci ab mbir ci 3D mën nga ko wër ngir jënd ci net bi
Tabaxaat barab yu dëggu yi ñuy nekk backdrop fotorealist ngir filmu ak effet visuel
Tabax ay seen 3D yu am solo ngir am jaar-jaar ak realite buñ yokk
Situ ndono aada ak yëfi art yu bawoo ci nataal yi
Risk yi ak balustrade yi
Yelleefi nataal ak nangu mën na nekk risku yoon sudee fi ñu bawoo leerul.
Performance model bi mën na wuute ci leeraay bi, demographie bi ak environmaa bi.
Njuumteg positive yi mën nañu dem te kenn duko seetlu fileek xool wuñu buntu wóolu sa bopp.
Roadmap ngir samp gi
Mandargal kritërium nangug njub, woowaat ak njëgu njuumte.
Saytu ak done yu méngoo ak anam yi ñuy liggéeyee dëgg.
Yokk jàngat nit ngir xam fu wóorul dara wala am njeexital yu rëy.
Toppal model drift bi nga baaxal ko ginaaw bi kamera bi wala done yi soppeekoo.
Weyal di banneexu
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Gis bi ci topp
Mip-NeRF ak ay tool yu leer
Laaj yi ñuy faral di laaj
Luy barabu radiasioŋ neuronal?
Neural Radiance Fields (NeRF) dafay defaraat seen 3D bu mat sëkk ci ay nataal yu bari, loolu dina tax nga mëna yóbbu kameraa bi ci barab yu bees. Dafa soppi 3D capture ngir tàggat ab reso neuronal bu ndaw moo gën tabax ab mbaal.
Lan mooy mébetu Radiance Neural?
NeRF dafay tabax représentation 3D ci ay nataal yu bari, loolu mooy tax ñu mëna gis fotorealist ci poñ yi nekkul ci nataal yu njëkk ya.
Lan la reso neuronal NeRF di génne ci benn dugal buñ jox?
Ngir position 3D ak yoon wi ñuy xoole, MLP dafay delloo melo bi ak dëgëraay bi (opacité) ci barab boobu.
Lan mooy liñuy dugal ci fonction 5D bu NeRF?
NeRF dafay jël barab 3D (x, y, z) ak yoon wi ñuy xoole (ñaari wàll), lu tollu ci juróomi duggal.
Naka lay def ba NeRF soppi génnug reso bi ci melo pixel bu mujj?
NeRF dafay wane misaal yi ci rayon bu nekk ba noppi boole seen melo pondéré ci densité, equation classique biy wane volume bi ñu mëna wuutale.
Lu tax NeRF di jëfandikoo enkodaasu position ci coordonnée yiñ dugal?
Xayma coordonnées yi jaaraleko ci fonction sine/cosine yu bari fréquence dafay tax MLP di wane ay detay yu rafet te baña joxe ay resultaa yu fësul.