图像处理评价指标
代码说明：
图像融合中的平均梯度、相关系数、信息熵、交叉熵、联合熵、均方误差、互信息、信噪比、峰值信噪比、均方根误差、空间频率、标准差、均值、扭曲程度、偏差指数等等(Average gradient, correlation coefficient, information entropy, cross-entropy, joint entropy, mean square error, mutual information, signal-to-noise ratio, peak signal-to-noise ratio, root mean square error, spatial frequency, standard deviation, mean, distortion degree, deviation index, etc. in image fusion)
文件列表：
image fusion13, 0 , 2011-12-07
image fusion13\avg_gradient.m, 990 , 2016-09-23
image fusion13\cross_entropy.m, 1499 , 2016-09-23
image fusion13\edge_intensity.m, 1126 , 2016-09-23
image fusion13\figure_definition.m, 889 , 2016-09-23
image fusion13\mutinf.m, 1755 , 2016-09-23
image fusion13\psnr.m, 992 , 2016-09-23
image fusion13\readme.txt, 973 , 2011-12-07
image fusion13\relatively_warp.m, 1330 , 2016-09-23
image fusion13\rmse.m, 645 , 2016-09-23
image fusion13\shannon.m, 1122 , 2016-09-23
image fusion13\space_frequency.m, 919 , 2016-09-23
image fusion13\ssim.m, 6931 , 2016-09-23
image fusion13\variance.m, 757 , 2016-09-23
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