Why is "output_ch = 5 if args.N_importance > 0 " ?

yenchenlin / nerf-pytorch

A PyTorch implementation of NeRF (Neural Radiance Fields) that reproduces the results.

MIT License

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Why is "output_ch = 5 if args.N_importance > 0 " ? #121

Open suneelkumarpentela opened 1 year ago

suneelkumarpentela commented 1 year ago

In line 187, output_ch = 5 if args.N_importance > 0 else 4. How does additional fine point sampling change the number of output channels? Isn't the output always (R,G,B,Alpha) ?

huahangc commented 1 year ago

You can see the issus #22 .