Fast, Arbitrary BRDF Shading for Low-Frequency Lighting Using Spherical Harmonics
https://www.powershow.com/view1/1e38b5-ZDc1Z/Fast_Arbitrary_BRDF_Shading_for_Low-Frequency_Lighting_Using_Spherical_Harmonics_powerpoint_ppt_presentation
Icons create by Freepik from www.flaticon.com/