NeX Real-time View Synthesis with Neural Basis Expansion

nerf in a mpi

• xyz -> opacity and a base color, and a several reflectance related color
• theta, phi -> reflectance coef
• 192 planes: same number of sample as the fine stage of NeRF
• a new dataset full of reflection: Shiny
• L2 loss on image and L1 loss on Laplacan