Neural rendering inzira iri kusimukira mukudzidza kwakadzama ine chinangwa chekuwedzera pombi yemhando yepamusoro yemakomputa mifananidzo ine neural network.
A neural rendering algorithm inoda seti yemifananidzo inomiririra makona akasiyana echiitiko chimwe chete. Iyi mifananidzo inozopihwa kune neural network kugadzira modhi inogona kuburitsa makona matsva echiitiko chimwe chete.
Kubwinya kuseri kweneural rendering kuri mukuita kwaanogona kunyatso gadzira akadzama mafotorealistic zviratidziro pasina kuvimba nenzira dzechinyakare dzinogona kunge dzichida zvakanyanya.
Tisati tanyura mumabatiro anoita neural rendering, ngatiendei pamusoro pezvakakosha zvechinyakare rendering.
Chii chinonzi Classical Rendering?
Ngatitangei kunzwisisa nzira dzakajairwa dzinoshandiswa mukududzirwa kwechinyakare.
Classical rendering inoreva seti yematekiniki anoshandiswa kugadzira mufananidzo we2D wenzvimbo ine mativi matatu. Iyo inozivikanwawo semufananidzo synthesis, classical rendering inoshandisa akasiyana algorithms kutevedzera mabatiro anoita mwenje nemhando dzakasiyana dzezvinhu.
Semuenzaniso, kugadzira chidhinha chakasimba kunoda imwe seti yealgorithms kuti uone pamire mumvuri kana kuti mativi ese emadziro achavhenekerwa zvakadii. Saizvozvowo, zvinhu zvinoratidzira kana kudzoreredza chiedza, segirazi, chinhu chinopenya, kana mutumbi wemvura, zvinodawo hunyanzvi hwavo.
Muchinyakare kupa, imwe neimwe asset inomiririrwa ine polygon mesh. Chirongwa che shader chinozoshandisa iyo polygon seyekupinza kuona kuti chinhu chichaita sei chakapihwa mwenje wakatsanangurwa uye kona.
Kupa chaiko kunoda simba rakawanda rekuverengera sezvo midziyo yedu inoguma yava nemamiriyoni emaporigoni ekushandisa sekuisa. Izvo zvinogadzirwa nekombuta zvinowanzoitika muHollywood blockbusters zvinowanzotora mavhiki kana mwedzi kuti zvipe uye zvinogona kuita mamirioni emadhora.
Nzira yekutsvagisa ray inonyanya kudhura nekuti pixel yega yega mumufananidzo wekupedzisira inoda kuverengerwa kwenzira mwenje inotora kubva kune mwenje sosi kuenda kuchinhu uye kune kamera.
Kufambira mberi muhardware kwaita kuti magirafu anopa zvakanyanya kuwanikwa kune vashandisi. Semuenzaniso, mazhinji ezvino yevhidhiyo bvumira ray-inotevedzwa mhedzisiro senge mapikicha-chaiwo maratidziro uye mimvuri chero bedzi hardware yavo iri kumusoro kune basa.
Iwo achangoburwa maGPUs (graphic process units) akavakirwa zvakananga kubatsira iyo CPU kubata yakanyanya kuoma kuverenga inodiwa kupa mafoto-echokwadi magirafu.
Kusimuka kweNeural Rendering
Neural rendering inoedza kugadzirisa dambudziko rekupa neimwe nzira. Panzvimbo pekushandisa maalgorithms kutevedzera kuti chiedza chinopindirana sei nezvinhu, ko kana tikagadzira modhi inodzidza kuti chiitiko chinofanira kutaridzika sei kubva kune imwe kona?
Iwe unogona kuzvifunga senzira yekudimbudzira yekugadzira mafotorealistic mapikicha. Neneural rendering, hatifanire kuverenga kuti mwenje unopindirana sei nechinhu, isu tinongoda data rakakwana rekudzidzisa.
Iyi nzira inobvumira vaongorori kugadzira emhando yepamusoro rever yezviratidziro zvakaoma pasina kuita
Chii chinonzi Neural fields?
Sezvambotaurwa, mazhinji e3D anoshandura anoshandisa polygon meshes kuchengetedza data pane chimiro uye magadzirirwo echinhu chimwe nechimwe.
Nekudaro, neural minda iri kuwana mukurumbira seimwe nzira yekumiririra matatu-dimensional zvinhu. Kusiyana nepolygon meshes, neural minda inosiyaniswa uye inoenderera.
Tinorevei kana tichiti neural minda inosiyaniswa?
Iyo 2D inobuda kubva kune neural field ikozvino inogona kudzidziswa kuve photorealistic nekungogadzirisa huremu hweneural network.
Tichishandisa neural fields, hatichadi kutevedzera fizikisi yechiedza kupa chiitiko. Ruzivo rwekuti iro rekupedzisira richavhenekerwa sei ikozvino rakachengetwa zvakadzika mukati mezviremu zvedu neural network.
Izvi zvinotibvumira kugadzira mapikicha emifananidzo nemavhidhiyo nekukurumidza kubva kune mashoma emifananidzo kana vhidhiyo.
Nzira yekudzidzisa Neural Field?
Iye zvino zvatave kuziva izvo zvekutanga zvemashandisirwo anoita neural field, ngatitarisei kuti vaongorori vanokwanisa sei kudzidzisa neural radiance ndima kana NeRF.
Chekutanga, isu tichada kuyedza zvimiro zvakarongeka zvechiitiko uye tovadyisa muneural network. Iyi network inozokwanisa kuburitsa huwandu hwemunda.
Huwandu hwemunda hwakagadzirwa hunoonekwa semasamples kubva kune inodiwa yekuvakazve domain yechiitiko chatinoda kugadzira.
Isu tichazoda kumepu yekuvakazve kune chaiyo 2D mifananidzo. An algorithm inozoverenga kukanganisa kwekuvakazve. Iko kukanganisa kunotungamira neural network kukwidziridza kugona kwayo kuvakazve chiitiko.
Zvishandiso zveNeural Rendering
Vadivelu Comedy Novel View Synthesis
Novel view synthesis inoreva basa rekugadzira maonero ekamera kubva kumakona matsva uchishandisa data kubva kunhamba shoma yemaonero.
Neural rendering matekiniki anoedza kufungidzira nzvimbo yekamera yemufananidzo wega wega mudhata uye kudyisa iyo data muneural network.
Iyo neural network inozogadzira iyo 3D inomiririra yechiitiko apo poindi yega yega munzvimbo ye3D ine ruvara rwakabatana uye density.
Kuitwa kutsva kweNeRFs mukati Google Street View inoshandisa novel view synthesis kubvumira vashandisi kuongorora nzvimbo dzepasirese sekunge vari kudzora kamera inotora vhidhiyo. Izvi zvinobvumira vashanyi kuti vaongorore kwekuenda nenzira inonyudza vasati vafunga kuenda kune imwe saiti.
Photo-realistic avatar
Maitiro epamberi mukupa neural anogona zvakare kugadzira nzira yeakawanda echokwadi maavatari edhijitari. Aya mavatars anogona kuzoshandiswa kune akasiyana mabasa akadai sevabatsiri chaiwo kana sevhisi yevatengi, kana senzira yekuti vashandisi vaise kufanana kwavo mu vhidhiyo yemutambo kana kuti simulated render.
Somuenzaniso, a bepa rakaburitswa munaKurume 2023 rinokurudzira kushandisa neural rendering matekiniki kugadzira mufananidzo-chaiyo avatar mushure memaminitsi mashoma evhidhiyo.
mhedziso
Neural rendering inzvimbo inonakidza yekudzidza ine mukana wekuchinja iyo yese indasitiri yemifananidzo yemakomputa.
Iyo tekinoroji inogona kudzikisa chipingamupinyi chekupinda chekugadzira 3D assets. Zvikwata zvinoonekwa zvingasafanira kumirira mazuva kuti zvipe maminetsi mashoma emifananidzo-echokwadi magirafu.
Kubatanidza tekinoroji neVR iripo uye AR zvikumbiro zvinogona zvakare kubvumidza vanogadzira kugadzira zvakanyanya kunyudza zviitiko.
Iwe unofunga kuti chii chingangoitika chechokwadi chekuburitsa neural?
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