释义 |
contrast difference 对比差 One of the measuring methods of the contrast that is a description of the degree of the brightness difference between image or object and background. The definition of the contrast difference is Cd=B-B0 where B, B0 are the brightness values of object and background separately. 反差(对比度)的测度方法之一,它是图象或目标与背景之间亮度差异程度的一种描述。 对比差的定义为Cd=B-B0其中B、B0分别为目标与背景的光亮度值。 |