Filin Radiyan Jijiya
Filin Radiance Neural (NeRF) yana sake gina cikakken yanayin 3D daga ɗimbin hotuna na yau da kullun, yana ba ku damar tashi kamara zuwa sabbin wuraren kallo.
Dubawa
It reframed 3D capture as training a tiny neural network rather than building a mesh.
Zurfafa nutsewa
An gabatar da shi a cikin 2020 ta Mildenhall da abokan aiki, NeRF yana adana gabaɗayan yanayi a cikin ƙaramar hanyar sadarwa ta jijiyoyi (waɗanda ke cikin multilayer perceptron). Idan aka ba da batu na 3D da alkiblar kallo, hanyar sadarwar tana fitar da launin wannan batu da kuma yadda ba ta da kyau. Don ba da pixel, NeRF yana harba ray a cikin wurin, samfurori suna nuni tare da shi, yana tambayar hanyar sadarwar, kuma yana haɗa sakamakon ta amfani da ma'anar ƙara. Saboda duk wannan tsari yana da bambanci, ana horar da hanyar sadarwa ta hanyar kwatanta pixels da aka yi zuwa ainihin hotunan shigarwa da daidaitawa har sai sun dace. Sakamakon sakamako yana ɗaukar hoto mai ɗaukar hoto, gami da tasirin dogaro da ra'ayi kamar tunani da abubuwan haske masu haske waɗanda ke canzawa yayin da kuke motsawa. Abubuwan da ke ƙasa shine cewa kowane wuri yana buƙatar nasa horo na horo, kuma hanyar asali ta kasance a hankali don duka horo da bayarwa.
Fahimtar Fasaha
NeRF yana wakiltar yanayi a matsayin ci gaba da aikin 5D: shigar da matsayi (x, y, z) tare da jagorar kallo (kusurwoyi biyu), kuma MLP yana dawo da launi na RGB da girman girma. Mahimmin daki-daki shine sanya bayanan wuri, wanda taswirori ke daidaitawa ta hanyar babban mitar sine da ayyukan cosine don hanyar sadarwar zata iya ɗaukar cikakken daki-daki maimakon samar da fitowar haske. Rendering yana haɗa launi da yawa tare da kowane ray na kamara, ma'aunin nauyi kusa, ƙarin samfura masu ƙarfi da nauyi, daidai lissafin ma'anar juzu'i na al'ada wanda aka yi horo.
Dabarun Tasiri
Gudu da sikelin
Kayayyakin AI na iya sarrafa aiki da bincike, ganowa, da ayyuka masu alama a sikelin.
Gina zaɓuɓɓuka
Ƙungiyoyin ƙirƙira za su iya samar da ra'ayoyi cikin sauri tare da ƙarancin bita da hannu.
Ƙungiya da aikin aiki
Ayyuka na iya amfani da siginar hoto da bidiyo waɗanda a baya suke da wahalar aiwatarwa.
Makomar Filayen Radiance Neural
Binciken NeRF ya fashe bayan 2020, tare da biyo baya kamar Instant-NGP yanke horo daga sa'o'i zuwa daƙiƙa ta amfani da rufaffiyar zanta-grid, da Mip-NeRF yana haɓaka inganci a cikin ma'auni. Filin yana ƙara haɗawa da ko ana ƙalubalantar Gaussian Splatting, wanda ke ba da sauri. Yi tsammanin dabarun da aka samo daga NeRF a cikin taswira, ra'ayoyin samfurin e-kasuwanci, tasirin gani na fim, da AR/VR, da haɓaka a cikin NeRFs masu ƙarfi waɗanda ke ɗaukar al'amuran motsi da kuma kama "a cikin daji" tare da canza haske. Manyan jigogi sune saurin, gyarawa, da ɗaukar al'amuran daga ƴan ƴan hotuna marasa kyau.
Aiwatar da Gaskiyar Duniya
Juya bidiyon waya na abu zuwa kallon 3D zaka iya kewaya don siyayya ta kan layi
Sake gina wurare na ainihi azaman bayanan hoto na hoto don fim da tasirin gani
Gina filayen 3D masu zurfafawa don kama-da-wane da haɓaka ƙwarewar gaskiya
A dijital adana wuraren al'adun gargajiya da kayan tarihi daga saitin hoto
Hatsari & Tsare-tsare
Haƙƙoƙin hoto da yarda na iya zama haxarin doka idan ba a fayyace ba.
Ayyukan samfuri na iya bambanta a ko'ina cikin haske, ƙididdiga, da mahalli.
Ƙarya tabbataccen ƙila ba za a iya lura da shi ba sai dai idan an kula da ƙofofin amincewa.
Taswirar Hanya
Ƙayyade ma'auni na karɓa don daidaito, tunowa, da farashi na kuskure.
Gwada tare da bayanan da suka dace da ainihin yanayin samarwa.
Ƙara bita na ɗan adam don ƙarancin amincewa ko tsinkaya mai tasiri.
Bi diddigin ƙirar ƙira kuma sake ingantawa bayan canje-canjen kamara ko saitin bayanai.
Ci gaba da Bincike
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Jagora na gaba
Mip-NeRF da Filayen Radiance Anti-Aliased
Tambayoyin da ake yawan yi
What is Neural Radiance Fields?
Filin Radiance Neural (NeRF) yana sake gina cikakken yanayin 3D daga ɗimbin hotuna na yau da kullun, yana ba ku damar tashi kamara zuwa sabbin wuraren kallo. Ya sake tsara kama 3D azaman horar da ƙaramin hanyar sadarwa maimakon gina raga.
Menene babban burin filin Radiance Neural?
NeRF yana gina wakilcin 3D daga saitin hotuna, yana ba da damar yin hoto ta zahiri daga ra'ayi ba a cikin ainihin hotuna ba.
Menene fitowar cibiyar sadarwa na NeRF don shigarwar da aka bayar?
Don matsayi na 3D da jagorar kallo, MLP yana dawo da launi da yawa (rauni) a wancan lokacin.
Menene abubuwan shigarwa zuwa aikin 5D na NeRF?
NeRF yana ɗaukar wurin 3D (x, y, z) da jagorar kallo (kusurwoyi biyu), jimlar bayanai biyar.
Ta yaya NeRF ke juya abubuwan da ke fitowar hanyar sadarwa zuwa launi na ƙarshe?
Samfuran NeRF suna nuni tare da kowane ray kuma suna haɗa launin su mai nauyi da yawa, ma'aunin ma'anar ƙarar ma'ana ya bambanta.
Me ya sa NeRF ke amfani da rikodi na matsayi akan daidaitawar shigarwa?
Gudanar da taswira ta hanyar manyan ayyuka na sine/cosine na ba da damar MLP ya wakilci kyakkyawan daki-daki maimakon sakamako mara kyau.