File list (Check if you may need any files):
grey image quality assessment
.............................\灰度图像质量评价程序
.............................\....................\AngleSecondMoment.m
.............................\....................\DificitMoment.m
.............................\....................\Entropy.m
.............................\....................\glcm_func.m
.............................\....................\G_fuzhi.m
.............................\....................\ImageAssessment.m
.............................\....................\Lowpass.m