Module encoding 

Encoding modules for NeRF input features.

• positional: NeRF positional encoding γ(p)
• hash_grid: Instant-NGP multi-resolution hash grid
• integrated_pe: Mip-NeRF integrated positional encoding (IPE)

Modules

hash_grid

Instant-NGP multi-resolution hash grid encoding.

integrated_pe

Mip-NeRF Integrated Positional Encoding (IPE).

positional

NeRF positional encoding: γ(p).