Mip-NeRF na Ugbo Radiance Mgbochi
Mip-NeRF na-edozi arịa ndị na-adịghị ahụkebe, ndị na-adịghị mma nke na-akparị NeRF mbụ mgbe ị na-eme ihe nkiri n'ebe dị anya ma ọ bụ mkpebi dị iche iche.
Nchịkọta
It does this by tracing cones instead of infinitely thin rays, making 3D scene rendering both sharper and faster to train.
Ime miri emi
NeRF izizi na-esetịpụ ihe onyonyo na ụzarị dị gịrịgịrị, otu isi n'otu oge ma na-enye ọnọdụ 3D ọ bụla n'ime netwọkụ akwara ozi. Nsogbu a: otu isi ihe na-eleghara anya ebe pikselụ na-ekpuchi n'ezie. Otu pikselụ dị nso na igwefoto na-ahụ obere mpaghara; Otu pixel dị anya na-ahụ nnukwu. Inyocha ha n'otu aka ahụ na-ebute aliasing - ịchagharị na jaggies ka ị na-ebuli ma ọ bụ na-agagharị. Mip-NeRF (Barron et al., 2021) jiri cone dochie ray ọ bụla wee kewaa ya ka ọ bụrụ nkụda mmụọ conical. Kama idebe otu isi ihe, ọ na-edobe mpaghara n'ime nkụda mmụọ ọ bụla site na iji ntinye ọnọdụ ọnọdụ agbakwunyere (IPE), na-eji Gaussian na-etinye olu. Nke a na-enye ohere ka otu netwọk multiscale mee mkpebi ọ bụla nke ọma, belata njehie na oge ọzụzụ.
Nghọta nka nka
Isi aghụghọ bụ agbakwunyere ngbanwe ọnọdụ ọnọdụ. Ọkọlọtọ NeRF na-esetịpụ isi ihe site na ọrụ sine na cosine n'ọtụtụ ugboro. Mip-NeRF kama ọ na-eme ka nkụda mmụọ conical dị ka Gaussian multivariate wee gbakọọ uru a na-atụ anya na sinusoids ndị ahụ karịa Gaussian. Akụkụ dị elu nke na-adịgasị iche iche n'ime nnukwu nkụda mmụọ, a na-agbadata ozugbo na efu, ka ọ dị ugbu a ma ọ bụ mpaghara ndị na-adịghị ahụkebe na-eji naanị ozi kwụsiri ike dị ala - kpọmkwem omume mgbochi nke mipmaps na eserese kpochapụwo.
Mmetụta atụmatụ
Ọsọ na ọnụ ọgụgụ
Visual AI nwere ike megharịa nyocha, nchọpụta na mkpado ọrụ n'ọtụtụ.
Mee nhọrọ
Otu ndị na-emepụta ihe nwere ike imepụta echiche ngwa ngwa site na ngbanwe akwụkwọ ntuziaka ole na ole.
Team na usoro ọrụ
Ọrụ nwere ike iji onyonyo na akara vidiyo siri ike ịhazi.
Ọdịnihu nke Mip-NeRF na Ugbo Radiance Mgbochi
Mip-NeRF weputara ezinụlọ nke ubi emegideghị aha. Mip-NeRF 360 gbatịpụrụ cones gaa na ihe nkiri dị n'èzí nwere mgbochi mgbochi yana Zip-NeRF jikọtara cone dabere na cone nwere ihe ngosi hash-grid ngwa ngwa iji nweta ma mma yana ọsọ. Na-atụ anya na echiche nkụda mmụọ agbakwunyere ga-anọgide na-akwaga na Gaussian splatting na ezigbo pipeline, ebe multiscale, nsụgharị na-enweghị aha na ekwentị na ekweisi bụ ebumnuche maka AR, maapụ, na ijide imikpu.
Mmejuputa n'ezie n'ụwa
Ịmepụta ihe ejidere nke ọma na ihe nlere ngwaahịa nke na-eme ka ndị ọrụ bugharịa site na nlele zuru ezu ruo n'ụzọ zuru ezu n'elu ala na-enweghị ịchafụ.
Na-ewughachi nnukwu ihe nkiri dị n'èzí (site na Mip-NeRF 360) maka njem nlegharị anya nke ọma na ihe nlegharị anya ụlọ ebe igwefoto na-agafe n'ọtụtụ omimi.
Ịmepụta onyonyo ọzụzụ na-agbanwe agbanwe n'ọtụtụ mkpebi maka robotics ma ọ bụ simulator ịnya ụgbọ ala kwụụrụ onwe ya.
Na-ewepụta okpokolo agba ihe nkiri sịntetịtịk crisp maka ihe nkiri na ịhụ ụzọ VFX ebe aliasing ga-emebi ogbunigwe ahụ.
Ihe ize ndụ & okporo ụzọ nche
Ikike onyonyo na nkwenye nwere ike bụrụ ihe egwu dị n'iwu ma ọ bụrụ na edoghị anya.
Ọrụ nlereanya nwere ike ịdịgasị iche n'ofe ọkụ, igwe mmadụ, na gburugburu.
Enwere ike ghara ịhụ ihe dị mma ma ọ bụrụ na enyochaghị oke ntụkwasị obi.
Map mmejuputa
Kọwaa ụkpụrụ nnabata maka nkenke, icheta, na ụgwọ njehie.
Nwalee na data dabara na ọnọdụ mmepụta n'ezie.
Tinye nyocha mmadụ maka obere obi ike ma ọ bụ amụma mmetụta dị elu.
Sochie ihe nlere anya wee megharịa ka emechara mgbanwe igwefoto ma ọ bụ dataset.
Nọgide na-eme nchọpụta
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Ntuziaka na-esote
Ubi Radiance Neural
Ajụjụ a na-ajụkarị
What is Mip-NeRF and Anti-Aliased Radiance Fields?
Mip-NeRF na-edozi arịa ndị na-adịghị ahụkebe, ndị na-adịghị mma nke na-akparị NeRF mbụ mgbe ị na-eme ihe nkiri n'ebe dị anya ma ọ bụ mkpebi dị iche iche. Ọ na-eme nke a site n'ịchọ cones kama ịcha ọkụ na-enweghị ngwụcha, na-eme ka ihe nkiri 3D na-eme ka ọ dịkwuo nkọ na ngwa ngwa ịzụ.
Kedu ụdị ọdịdị geometric ka Mip-NeRF na-enyocha site na ọnọdụ ahụ kama ịcha ọkụ nke NeRF mbụ ji mee ihe?
Mip-NeRF na-atụba cone site na igwefoto site na pikselụ ọ bụla wee kewaa ya ka ọ bụrụ nkụda mmụọ conical, na-ewere olu pixel na-ekpuchi n'ezie.
Gịnị bụ aha nke Mip-NeRF's encoding nke na-anọchi ọkọlọtọ ọnọdụ n'ọnọdụ?
Mip-NeRF na-ewebata ngbanwe ọnọdụ ọnọdụ agbakwunyere, nke na-etinye koodu mpaghara (makụda mmụọ nke Gaussian) karịa otu isi ihe.
Kedu ihe kpatara NeRF mbụ na-emepụta aliasing mgbe anya igwefoto gbanwere?
Ihe nlele ihe nleba anya dị mkpa na-eleghara akara ukwu nke pikselụ anya, ya mere, a na-emeso pikselụ dị nso na nke dị anya n'otu aka ahụ, na-eme ka jaggies na na-egbuke egbuke.
Kedu ka Mip-NeRF si akọwa mpaghara n'ime nkụda mmụọ conical maka itinye koodu?
Ihe nhụsianya ọ bụla bụ Gaussian dị iche iche na-agbakọ, na ntinye koodu ahụ na-agbakọ uru a na-atụ anya na sinusoids karịa Gaussian ahụ.
Kedu ihe na-eme atụmatụ ntinye koodu ugboro dị elu n'ime nnukwu nkụda mmụọ?
N'ihi na sinusoids dị elu na-adịgasị iche iche n'ofe nnukwu nkụda mmụọ, ijikọ n'elu Gaussian na-eduga ha na efu, na-enye mipmap-dị ka mgbochi-aliasing.