At the image preparation for reproduction in bit-by-bit processing systems is required a number of corrections.Among such corrections may be considered frequency correction,gradation correction and color correction.In...At the image preparation for reproduction in bit-by-bit processing systems is required a number of corrections.Among such corrections may be considered frequency correction,gradation correction and color correction.In this article our attention will be focused on the gradation correction,as the gradation reproduction forms first of all the feeling of psychological accuracy of the image reproduction.This is certainly applicable to black-and-white originals,but for color image is the color rendering ac-展开更多
文摘At the image preparation for reproduction in bit-by-bit processing systems is required a number of corrections.Among such corrections may be considered frequency correction,gradation correction and color correction.In this article our attention will be focused on the gradation correction,as the gradation reproduction forms first of all the feeling of psychological accuracy of the image reproduction.This is certainly applicable to black-and-white originals,but for color image is the color rendering ac-
