This was originally designed by Berkeley Alum Paul Debevec. If you want to learn more for a possible final project look at this https://inst.eecs.berkeley.edu/~cs194-26/fa16/Lectures/IBLighting.pdf and this http://www.pauldebevec.com/Research/IBL/
tobychen912
Sampling such a detailed image over the hemisphere is extremely costly. But we can fake it by mipmapping with consine weighted convolution kernel.
This was originally designed by Berkeley Alum Paul Debevec. If you want to learn more for a possible final project look at this https://inst.eecs.berkeley.edu/~cs194-26/fa16/Lectures/IBLighting.pdf and this http://www.pauldebevec.com/Research/IBL/
Sampling such a detailed image over the hemisphere is extremely costly. But we can fake it by mipmapping with consine weighted convolution kernel.