Adapted wavelet bases are selected for different fabric by using max of each pixel gray in decomposed sub-image being minimum as sufficient condition, and genetic algorithm as optimization method.

• 以分解子图中像素最大能量值最小作为逼近条件，采用遗传算法作为寻优算法，从而实现针对不同的织物，自适应地构造小波基。