Overview
Neural Radiance Fields (NeRF) inovakazve yakazara 3D chiitiko kubva kune mashoma emapikicha akajairwa, ichikutendera iwe kubhururuka kamera kune-matsva maonero. Yakagadziridza 3D kubatwa sekudzidzisa diki neural network pane kuvaka mesh.
Neural Radiance Fields ndeyekombuta-kuona mafambiro anodudzira kana kuburitsa midhiya yekuona yekuongorora, mashandiro, uye kugadzira.
Deep Dive
Yakaunzwa muna 2020 naMildenhall nevamwe vaaishanda navo, NeRF inochengeta chiitiko chose mukati mediki neural network (a multilayer perceptron). Tichipihwa iyo 3D poindi uye yekutarisa kutungamira, network inoburitsa iyo poindi ruvara uye kuti iri opaque sei. Kupa pixel, NeRF inopfura ray muchiitiko, samples inonongedza pairi, inobvunza network, uye inosanganisa mhedzisiro uchishandisa vhoriyamu kupa. Nekuti maitiro ese aya anosiyaniswa, network inodzidziswa nekuenzanisa yakashandurwa pixels kune chaiyo yekuisa mafoto uye kugadzirisa kusvika yaenderana. Mubairo unoshamisa wephotorealism, unosanganisira maonero-anotsamira mhedzisiro senge maratidziro uye kupenya kupenya kunoshanduka paunofamba. Izvo zvakaderera ndezvekuti chiitiko chega chega chinoda chayo kudzidziswa kumhanya, uye nzira yekutanga yainonoka kune zvese kudzidzisa uye kupa.
Technical Insight
NeRF inomiririra chiitiko sechinoenderera 5D basa: isa chinzvimbo (x, y, z) pamwe negwara rekutarisa (makona maviri), uye iyo MLP inodzosa RGB ruvara uye vhoriyamu density. Chinhu chakakosha ndeye postal encoding, iyo mepu inoronga kuburikidza nepamusoro-frequency sine uye cosine mabasa kuitira kuti network itore zvakapinza pane kuburitsa blurry kubuda. Kupa kunobatanidza ruvara uye kuwanda pamwe chete nemwaranzi yega yega kamera, kurema padyo, mamwe maopaque samples zvakanyanya zvakanyanya, chaizvo masvomhu echinyakare vhoriyamu rendering akadzidziswa.
Kubata Neural Radiance Minda
Neural Radiance Fields (NeRF) inovakazve yakazara 3D chiitiko kubva kune mashoma emapikicha akajairwa, ichikutendera iwe kubhururuka kamera kune-matsva maonero. Yakagadziridza 3D kubatwa sekudzidzisa diki neural network pane kuvaka mesh. Neural Radiance Fields ndeyekombuta-kuona mafambiro anodudzira kana kuburitsa midhiya yekuona yekuongorora, mashandiro, uye kugadzira. Kuti uvake kunzwisisa kwakadzama, bata Neural Radiance Fields semuenzaniso wekushandisa, kwete chinhu chimwe chete: tsanangura zvinodiwa, kujekesa fungidziro, uye patsanura izvo zvinogona kuitwa nehurongwa hwakavimbika kubva kune zvichiri kuda kutonga kwenyanzvi.
Mukuita, zvikwata zvakasimba zvinoshandisa Neural Radiance Fields kuenzanirana nezviri kuitika semhando yedata, kusiyana kwemwenje, uye kuenderana kwemazita. Ivo vanonyora zvakajeka maitiro ebudiriro, bvunzo vachipokana ne data rechokwadi uye mafambiro ebasa, uye iterate zvichibva pane zvakacherechedzwa maitiro ekutadza kwete kuhwina-nguva imwe chete yebhenji. Apa ndipo apo kunzwisisa kwe theoretical kunoshanduka kuve kugona kwakasimba pane chigadzirwa, mutemo, uye mashandiro.
Visual AI inogona kuita otomatiki yekuongorora, yekuona, uye yekumaka mabasa pachiyero. Panguva imwecheteyo, kodzero dzeMufananidzo uye kubvumirwa kunogona kuve njodzi dzepamutemo kana hunhu husina kujeka. Nzira yakatsiga ndeyekubatanidza kukurumidza kuyedza nekutonga: mhanyisa vatyairi vendege, tora humbowo, buritsa matanda esarudzo, uye urambe uchivandudza chengetedzo semaitiro emuenzaniso, zvinotarisirwa nemushandisi, uye zvinodikanwa zvekutonga.
Strategic Impact
Visual AI inogona kuita otomatiki yekuongorora, yekuona, uye yekumaka mabasa pachiyero.
Visual AI inogona kuita otomatiki yekuongorora, yekuona, uye yekumaka mabasa pachiyero. Mukutumirwa kwemhando yepamusoro, izvi zvinoshandurirwa kuita mitemo inoyerwa yekushanda, miganhu yevaridzi, uye tsika dzekudzokorora dzinodzokororwa kuitira kuti zvikwata zvikwire kuvimba pane kukwidza kusajeka.
Zvikwata zvekugadzira zvinogona prototype pfungwa nekukurumidza nekudzokororwa kwemaoko mashoma.
Zvikwata zvekugadzira zvinogona prototype pfungwa nekukurumidza nekudzokororwa kwemaoko mashoma. Mukutumirwa kwemhando yepamusoro, izvi zvinoshandurirwa kuita mitemo inoyerwa yekushanda, miganhu yevaridzi, uye tsika dzekudzokorora dzinodzokororwa kuitira kuti zvikwata zvikwire kuvimba pane kukwidza kusajeka.
Mashandisirwo anogona kushandisa masaini emifananidzo nemavhidhiyo ayo aimbove akaoma kugadzirisa.
Mashandisirwo anogona kushandisa masaini emifananidzo nemavhidhiyo ayo aimbove akaoma kugadzirisa. Mukutumirwa kwemhando yepamusoro, izvi zvinoshandurirwa kuita mitemo inoyerwa yekushanda, miganhu yevaridzi, uye tsika dzekudzokorora dzinodzokororwa kuitira kuti zvikwata zvikwire kuvimba pane kukwidza kusajeka.
Real-World Implementation
Kushandura vhidhiyo yefoni yechinhu kuita 3D maonero iwe unogona kutenderera pakutenga online
Kuvakazve nzvimbo chaidzo senge photorealistic backdrops yefirimu uye zvinoonekwa maitiro
Kuvaka inonyudza 3D zviratidziro zvezvakaita uye augmented real experiences
Kuchengetedza nedhijitari nzvimbo dzekugara nhaka uye zvigadzirwa kubva kumaseti emifananidzo
Maitiro Ekuita
Neural Radiance Minda mukuita
Kushandura vhidhiyo yefoni yechinhu kuita 3D maonero iwe unogona kutenderera pakutenga online.
Kushandura vhidhiyo yefoni yechinhu kuita 3D maonero aunogona kutenderera ekutenga online Matimu anowanzo kuwana mhedzisiro iri nani kana achinge atsanangura emhando yepamusoro kumberi, chengetedza nzira yekukwira kwevanhu yemakesi emupendero, uye tarisa zvese zvakawanikwa zvechigadzirwa uye mutengo wekukanganisa nekufamba kwenguva.
Neural Radiance Minda mukuita
Kuvakazve nzvimbo chaidzo senge photorealistic backdrops yefirimu uye zvinoonekwa maitiro.
Kuvakazve nzvimbo chaidzo semafotorealistic backdrops emufirimu uye anoona maitiro Matimu anowanzo kuwana mibairo iri nani kana achinge atsanangura emhando yepamusoro kumberi, chengetedza nzira yekukwira kwevanhu yemakesi ekumucheto, uye kuteedzera zvese zvakawanikwa zvechigadzirwa uye mutengo wekukanganisa nekufamba kwenguva.
Neural Radiance Minda mukuita
Kuvaka inonyudza 3D zviratidziro zvezvakaita uye augmented real experiences.
Kuvaka inonyudza 3D zviratidziro zvechaiyo uye chakawedzerwa chiitiko chaicho Matimu anowanzo kuwana mhedzisiro iri nani kana achinge atsanangura emhando yepamusoro kumberi, chengetedza nzira yekukwira kwevanhu yemakesi ekumucheto, uye kuteedzera zvese zvakawanikwa zvechigadzirwa uye mutengo wekukanganisa nekufamba kwenguva.
Neural Radiance Minda mukuita
Kuchengetedza nedhijitari nzvimbo dzekugara nhaka uye zvigadzirwa kubva kumaseti emifananidzo.
Kuchengetedza nedhijitari nzvimbo dzenhaka dzetsika uye zvigadzirwa kubva kumaseti emifananidzo Matimu anowanzo kuwana mhedzisiro iri nani kana achinge atsanangura mabindu emhando kumberi, chengetedza nzira yekukwira kwevanhu yemakesi ekumucheto, uye kuteedzera zvese zvakawanikwa zvechigadzirwa nemitengo yekukanganisa nekufamba kwenguva.
Njodzi & Guardrails
Kodzero dzemifananidzo uye kubvumirwa kunogona kuve njodzi dzepamutemo kana provenance isina kujeka.
Kuita kwemuenzaniso kunogona kusiyanisa kupenya, huwandu hwevanhu, uye nharaunda.
Manyepo enhema anogona kusacherechedzwa kunze kwekunge zvikumbaridzo zvekuvimba zvikatariswa.
Implementation Roadmap
Tsanangura maitiro ekugamuchirwa echokwadi, kurangarira, uye mutengo wekukanganisa.
Tsanangura maitiro ekugamuchirwa echokwadi, kurangarira, uye mutengo wekukanganisa. Bata nhanho yega yega segedhi rehumbowo: kana maitiro asina kusangana, imbomira kuburitsa, vhara gaka, uye wobva wawedzera kushandiswa.
Edzai nedata rinoenderana nemamiriro chaiwo ekugadzira.
Edzai nedata rinoenderana nemamiriro chaiwo ekugadzira. Bata nhanho yega yega segedhi rehumbowo: kana maitiro asina kusangana, imbomira kuburitsa, vhara gaka, uye wobva wawedzera kushandiswa.
Wedzera ongororo yemunhu kune yakaderera-kusavimbika kana yakakwirira-inokanganisa kufanotaura.
Wedzera ongororo yemunhu kune yakaderera-kusavimbika kana yakakwirira-inokanganisa kufanotaura. Bata nhanho yega yega segedhi rehumbowo: kana maitiro asina kusangana, imbomira kuburitsa, vhara gaka, uye wobva wawedzera kushandiswa.
Tevera modhi kudonha uye simbisa mushure mekuchinja kwekamera kana dataset.
Tevera modhi kudonha uye simbisa mushure mekuchinja kwekamera kana dataset. Bata nhanho yega yega segedhi rehumbowo: kana maitiro asina kusangana, imbomira kuburitsa, vhara gaka, uye wobva wawedzera kushandiswa.