Psychophysics of the photoreceptors
This paper is for classroom use, based on the publication: Ferwerda JA, Pattanaik SN, Shirley P, Greenberg DP. (1996). A model of visual adaptation for realistic image synthesis. SIGGRAPH’96: Proceedings of the 23rd annual conference on Computer graphics and interactive techniques. 249-258. doi.org/10.1145/237170.237262.