一幅彩色图像数字化后，在显示时颜色经常看起来不正常，这是色通道的不同敏感度、增光因子和偏移量等原因导致的，称其为三基色不平衡。将之校正的过程就是彩色平衡。-A color image digital, the display color often does not look normal, this is a different color channel sensitivity causes credit to the factor and offset, called trichromat