回覆 31# s20012797
https://www.google.com/patents/US3971065
"...With this arrangement, sampling rates for all three basic color vectors are adjusted respective of the acuity of the human visual system. That is, blue detail, to which the human visual has least resolution, is sampled the least frequently . . . green detail, to which the human visual system is most responsive, is sampled most frequently."
簡單講, 因為人眼對綠色反應最大, 所以採樣最多
RGBG係模仿視網膜Cone cell分佈 |