Real-Time Rendering——Chapter 5 Visual Appearance
5.8 gamma correction once the pixel values have been computed, we need to display them on a monitor. in the early years of digital imaging, cathode-ray tube (CRT) monitors were almost exclusively used. CRT monitors exhibit a power law relationship between input voltage and display radiance, which turns out to nearly match the inverse of light sensitivity of the human eye [1028]. the consequence of this fortunate coincidence i sthat an encoding proportional to CRT 来源: https://blog.csdn.net/wodownload2/article/details/100133743