一、引言 观察者凭视觉来辨别颜色的差异不仅随观察者个体差异而变化,而且还可能由于观察者当时的心理状态和个人偏爱等因素影响而失真,因而给颜色的分辨总带来一定偏差。比如一个光源或物体的颜色凭感官理应判断为紫红色(记为A),但是他可能认为判断为红紫色(记为B)更恰当,于是他给出判断为B。由于颜色的区分本身就没有确定的界限,而是具有模糊性,因而凭感官作出的判 I. INTRODUCTION Observers discern the difference of color by vision not only according to individual differences of observers, but also may be distorted due to observer’s psychological status and personal preferences at the time, thus bringing a certain deviation to the resolution of colors . For example, the color of a light source or object should be judged as fuchsia (denoted by A), but he may think it is more appropriate to judge it as reddish purple (denoted as B), so he gives a judgment of B. Because of the distinction between the color itself there is no definite boundaries, but with ambiguity, and thus senses made