Ngwa ngwa-NGP Hash Encoding
Instant-NGP bụ usoro NVIDIA na-azụ Neural Radiance Fields na ihe osise akwara ndị ọzọ n'ime sekọnd kama awa site na ịchekwa atụmatụ mmụta na tebụl hash multiresolution.
Nchịkọta
Ọ dị mkpa n'ihi na ọ na-eme ka 3D dị elu na-ejide ngwa ngwa iji nwee mmetụta nke mmekọrịta.
Ime miri emi
Instant Neural Graphics Primitives (NVIDIA, 2022) na-awakpo isi ihe nke NeRFs: nnukwu MLP nke a ga-ajụrịrị ọtụtụ nde ugboro. Kama idenye ọnọdụ 3D nwere njiri mara sinusoidal ma dabere na nnukwu netwọkụ, Ngwa ngwa-NGP na-eji ntinye hash multiresolution. A na-ekpuchi oghere site na ọtụtụ grids na mkpebi dị iche iche; Maapụ cell grid ọ bụla, site na ọrụ hash spatial, n'ime tebụl kọmpat nke vectors atụmatụ enwere ike ịmụta. Iji tinye otu isi ihe, sistemu ahụ na-ele anya wee na-ejikọta njirimara site na ọkwa mkpebi nke ọ bụla, na-ejikọta ha, wee na-azụ ya n'ime obere MLP. N'ihi na ihe ka ọtụtụ n'ime ihe nnọchianya ndị a mụtara na-ebi na tebụl nchọta ma ọ bụ naanị obere netwọk ka fọdụrụ, ọzụzụ na nsụgharị na-aghọ usoro nke ịdị ukwuu ngwa ngwa, na-atụgharị awa n'ime sekọnd.
Nghọta nka nka
Akụkụ amamihe dị na ya bụ ikwe ka esemokwu hash mee na ebumnobi. Tebụl hash nwere nha a kapịrị ọnụ, yabụ ọtụtụ mkpụrụ ndụ grid nwere ike ịdepụta otu ntinye; Obere MLP na gradient na-amụta ime ka esemokwu kwụsị n'ihi na mpaghara dị mkpa, nke nwere nnukwu njupụta na-emepụta gradients siri ike ma merie oghere ndị a na-ekekọrịta. Ọkwa multiresolution pụtara ọkwa dị oke njọ enweghị nkwekọrịta ebe ọkwa dị mma na-ekekọrịta ndenye, na-edozi nkọwa megide ebe nchekwa.
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 ntinye ngwa ngwa-NGP Hash
Ihe ngbanwe nke Hash-grid abụrụla ihe mgbochi ụlọ na-adịghị mma karịa ihe ngosi NeRF mbụ, ejiri mee ya na nhazi oge nlele, SDF na gigapixel-image dabara, ịme anwansị, yana dịka ọkpụkpụ azụ nke Toolkits dị ka Nerfstudio. Ọ bụ ezie na Gaussian Splating ugbu a na-asọ mpi n'ịsọ ọsọ na-arụ ọrụ nke ọma, ngbanwe hash na-anọgide na-adị n'etiti ebe a na-achọ mpaghara akwara dị nro, dị nro, na-achọgharị, na ọrụ na-aga n'ihu na-agwakọta abụọ ahụ ma na-aga n'ihu na ebe nkiri buru ibu, ike na ike.
Mmejuputa n'ezie n'ụwa
Na-ewere ezigbo ihe ma ọ bụ ọnụ ụlọ n'ime NeRF n'ime sekọnd site na foto ekwentị
Na-adaba ọrụ dị anya bịanyere aka na akwara maka nnochite anya udi 3D ngwa ngwa
Na-akpakọ ma na-anọchi anya ihe oyiyi gigapixel dị ka mpaghara akwara na-aga n'ihu
Na-eme ka nwughari ọnọdụ ngwa ngwa n'ime ngwa nyocha yana previsualization VFX
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
Free newsletter
Get the daily AI briefing
Three verified AI stories every weekday morning, written in plain English. Free forever, no ads.
One email each weekday. Unsubscribe in one click. We never sell or share your address.
Test yourself
Take the Instant-NGP Hash Encoding quiz
Instant feedback on every answer, and a shareable certificate with a verifiable ID once you pass a course.
Support free AI education. AI Understanding is a 501(c)(3) nonprofit — no ads, no paywall, ever. Make a donation
Ntuziaka na-esote
Nbanye Byte-Pair
Ajụjụ a na-ajụkarị
Kedu ihe bụ Instant-NGP Hash Encoding?
Instant-NGP bụ usoro NVIDIA na-azụ Neural Radiance Fields na ihe osise akwara ndị ọzọ n'ime sekọnd kama awa site na ịchekwa atụmatụ mmụta na tebụl hash multiresolution. Ọ dị mkpa n'ihi na ọ mere ihe nkiri 3D dị elu weghara ngwa ngwa ka ọ nwee mmetụta ọ fọrọ nke nta ka ọ bụrụ mmekọrịta.
Kedu ihe bụ isi ihe dị na NeRFs kpochapụrụ nke ozugbo-NGP na-achọ?
Omuma NeRF na-adabere na nnukwu MLP a na-ajụkarị nke ukwuu; Ngwa ngwa-NGP na-ebelata nke na-arụ ọrụ iji mee ka ọzụzụ na nsụgharị dị ngwa ngwa.
Ebee ka Instant-NGP na-echekwa ọtụtụ n'ime paramita ya nwere ike ịmụta?
Atụmatụ a na-amụta na-ebi na tebụl hash multiresolution, na-ahapụ naanị obere MLP iji jikọta njirimara anya.
Kedu ka esi ejikọta atụmatụ n'ofe ọtụtụ mkpebi?
A na-ejikọta atụmatụ nke ọkwa ọ bụla n'ime trilinearly ma jikọta tupu ebufe ya na obere MLP.
Kedu ka Instant-NGP si ejikwa nkukota hash na tebụl mkpebi ya dị mma?
A na-ekwe ka ọgbaghara; mpaghara njupụta dị elu na-emepụta gradients siri ike ka obere MLP na njikarịcha mụta idozi oghere ndị na-ekekọrịta.
Ego ole ka ngwa ngwa-NGP na-eme ka ọzụzụ NeRF dị ngwa?
Site na ibugharị ihe nnọchianya n'ime tebụl hash na ibelata MLP, ọzụzụ na-ewe awa nwere ike imecha na sekọnd.