1、$% 2 ?A)BCDEFGH IJIKL(Importance Resampling) MNOAPQRSTUVWXRGYZ -IKL(Light Resampling)R%KLn?56BABC ?)“vwk? 20 M%m Avw_CD-R” 8RDEj- F-GHj#IJ IJ#rBRKLMNOS ByKL 41 | RIS: ! 1 ( ) ) 1 ( 8 8 yMB RKLjNB RKL SJIKLR6 ; -ewB/ , f IJKL“R |IJKL: ! 1 ( ) ) RKL = AR BL SRKLT_ 0S ByKL 42 | IJKL“R !AIKLfPb! Mipmaps
2、, G(light probe), KL(upsampling), IKL(downsampling), #(multi-scale rendering) |IJKL: ! 1 ( ) ) RKL = AR BL SRKLT_ 0S ByKL RIS: ! 1 ( ) ) 1 ( 8 8 yMB RKLjNB RKL SJIKLR6 ; -ewB/ , f 43 LARIS? !IKLR8$lK”(R 44 LARIS? U : $,-$w=+e 3”(b- “Spatiotemporal reservoir resampling for real-time ray tracing with
3、dynamic direct lighting” by Bitterli et al. 45 LARIS? U : $,-$w=+e !tR/$I-jeIKL +”(; f/PRB%+”( jk$,3 %IJIKLRc “Spatiotemporal reservoir resampling for real-time ray tracing with dynamic direct lighting” by Bitterli et al. 48 ReSTIRT_ ReSTIR: Reservoir Spatio-Temporal Importance Resampling For a deeper look, also see HPG 2020 talk “Reframing Light Transport for Real-time” LsLL L+sL L+sL ALSTG IAxL
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