Mip-NeRF na Kurwanya Imirasire Yumurima
Mip-NeRF ikosora ibihangano bidasobanutse, bifatanye byangiza NeRF yumwimerere mugihe utanze amashusho ahantu hatandukanye cyangwa imyanzuro.
Incamake
It does this by tracing cones instead of infinitely thin rays, making 3D scene rendering both sharper and faster to train.
Kwibira cyane
Umwimerere NeRF yerekana ibintu byerekana imirasire yoroheje, ingingo imwe icyarimwe, kandi igaburira buri mwanya wa 3D mumurongo wimitsi. Ikibazo: ingingo imwe yirengagije ingano yerekana pigiseli ikubiyemo. Pixel hafi ya kamera ibona akarere gato; pigiseli imwe kure cyane ibona imwe nini. Gutoranya kimwe bitera gutandukana - guhindagurika no guswera mugihe ukinisha cyangwa wimuka. Mip-NeRF (Barron et al., 2021) isimbuza buri mirasire na cone ikayigabanyamo ibice. Aho kugirango ushireho ingingo, uhuza akarere imbere muri buri frustum ukoresheje kodegisi ihuriweho (IPE), igereranya amajwi hamwe na Gaussian. Ibi bireka umuyoboro umwe utandukanye ugatanga igisubizo icyo aricyo cyose neza, kugabanya amakosa nigihe cyo guhugura cyane.
Ubushishozi
Amayeri yingenzi ni guhuza kodegisi. Igipimo cya NeRF gishushanya ingingo binyuze muri sine na cosine mumikorere myinshi. Mip-NeRF ahubwo igereranya frustum ya conus nka Gaussian itandukanye kandi ikabara agaciro kateganijwe kuri izo sinusoide kurenza iyo Gaussian. Ibintu byihuta cyane biratandukanye cyane imbere muri frustum ihita ihita yerekeza kuri zeru, kugeza ubu cyangwa uturere twinshi dukoresha gusa amakuru ahamye yumurongo muto - mubyukuri imyitwarire yo kurwanya aliasing ya mipmap mubishushanyo mbonera.
Ingaruka z'Ingamba
Umuvuduko n'igipimo
AI igaragara irashobora gukora igenzura, gutahura, no gutondekanya imirimo kurwego.
Build choices
Amakipe arema arashobora prototype ibitekerezo byihuse hamwe nintoki nkeya.
Itsinda hamwe nakazi
Ibikorwa birashobora gukoresha amashusho nibimenyetso bya videwo byari bigoye gutunganya.
Kazoza ka Mip-NeRF na Kurwanya Imirasire Yumurima
Mip-NeRF yatangije umuryango wimirima irwanya aliase. Mip-NeRF 360 yaguye imiyoboro igera hanze idafite imipaka hamwe no kugabanuka, kandi Zip-NeRF yahujije cone ishingiye kuri anti-aliasing hamwe na hash-grid yihuta kugirango ibone ubuziranenge n'umuvuduko. Tegereza igitekerezo cyahurijwe hamwe-frustum kugirango ukomeze kwimukira mu miyoboro ya Gaussiya no mu gihe nyacyo, aho usanga abantu benshi, bita alias ku buntu kuri terefone no mu matwi ari yo ntego ya AR, gushushanya, no gufata mu buryo bwimbitse.
Gushyira mu bikorwa Isi
Gutanga ikintu cyafashwe neza mubireba ibicuruzwa byemerera abayikoresha kuva mucyumba cyuzuye kureba hasi kugeza hejuru yubuso bwiza nta guhindagurika.
Kongera kubaka amashusho manini yo hanze (binyuze kuri Mip-NeRF 360) kubukerarugendo busanzwe hamwe ninzira nyabagendwa aho kamera igenda inyura mubwimbitse.
Gukora amashusho yimyitozo ihamye kumyanzuro myinshi ya robo cyangwa abigana-bigenga.
Gukora crisp synthique yubushakashatsi-kureba amakadiri ya firime na VFX previsualisation aho aliasing yamena ishoti.
Ingaruka & Kurinda
Uburenganzira bwishusho hamwe no kwemererwa birashobora guhinduka ibyago byemewe n'amategeko niba ibimenyetso bidasobanutse.
Imikorere yicyitegererezo irashobora gutandukana kumurika, demografiya, nibidukikije.
Ibyiza byibinyoma birashobora kutamenyekana keretse niba ibyiringiro byateganijwe bikurikiranwa.
Igishushanyo mbonera
Sobanura ibipimo byo kwemererwa kugiciro, kwibutsa, nibiciro byamakosa.
Gerageza hamwe namakuru ajyanye nuburyo nyabwo bwo gukora.
Ongeraho isubiramo ryabantu kubwizere buke cyangwa guhanura cyane.
Kurikirana icyitegererezo cya drift hanyuma uhindurwe nyuma ya kamera cyangwa dataset ihinduka.
Komeza Ubushakashatsi
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Ubuyobozi bukurikira
Imirasire ya Neural
Ibibazo bikunze kubazwa
What is Mip-NeRF and Anti-Aliased Radiance Fields?
Mip-NeRF ikosora ibihangano bidasobanutse, bifatanye byangiza NeRF yumwimerere mugihe utanze amashusho ahantu hatandukanye cyangwa imyanzuro. Irabikora mugukurikirana cones aho kuba imirasire yoroheje itagira akagero, bigatuma 3D igaragara neza kandi byihuse kwitoza.
Ni ubuhe buryo bwa geometrike Mip-NeRF ikurikirana iboneka aho kuba imishwarara yoroheje ikoreshwa na NeRF y'umwimerere?
Mip-NeRF itera cone muri kamera ikoresheje buri pigiseli ikayigabanyamo ibice, ifata amajwi pigiseli itwikiriye.
Izina rya kodegisi ya Mip-NeRF risimbuza irihe kodegisi isanzwe?
Mip-NeRF itangiza kodegisi ihuriweho hamwe, igizwe n'akarere (umunya Gaussiya-ugereranije na frustum) aho kuba ingingo imwe.
Kuki NeRF yumwimerere itanga aliasing mugihe intera ya kamera ihindutse?
Icyitegererezo cyoroshye-cyirengagije ikirenge cya pigiseli, kuburyo hafi na pigiseli ya kure bifatwa kimwe, bigatera jaggies no guhindagurika.
Nigute Mip-NeRF igereranya akarere imbere muri fonctionnement ya kodegisi?
Buri frustum igereranwa na Gaussian itandukanye, kandi kodegisi ibara agaciro kateganijwe kuri sinusoide kurenza iyo Gaussian.
Bigenda bite kumurongo mwinshi wa kodegisi imbere muri frustum nini?
Kuberako sinusoide yumurongo mwinshi iratandukanye cyane kuri frustum nini, kwishyira hamwe hejuru ya Gaussian ibayobora kuri zeru, itanga mipmap isa na anti-aliasing.