mad图像质量评价matlab代码
时间: 2023-11-25 20:45:24 浏览: 152
对于mad图像质量评价的Matlab代码,以下是一种可能的实现方法:
```matlab
function [mad_score] = evaluate_mad(ref_image, distorted_image)
ref_image = im2double(ref_image);
distorted_image = im2double(distorted_image);
diff = abs(ref_image - distorted_image);
mad_score = mean(diff(:));
end
```
此代码使用Mean Absolute Difference (MAD)作为图像质量评价的指标。函数`evaluate_mad`接受两个输入参数:参考图像`ref_image`和失真图像`distorted_image`。首先,将输入的图像转换为double类型。然后,计算参考图像与失真图像的像素差异,并取绝对值。最后,计算所有像素差异的平均值作为MAD图像质量评分。
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