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How to calculate MSE (Mean Squared Error)?

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hudof najeeb
hudof najeeb 2017-1-20
编辑： hudof najeeb 2017-1-22
What is the instruction to calculate mean squared error of two images?
  1 个评论
hudof najeeb
hudof najeeb 2017-1-21
编辑：Walter Roberson 2017-1-21
when I am writing
disp(['MSE ' measerr(CoverImg,stegImg)])
the result is 3. it is error because it must be btw 0 and 1. how to solve it?

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回答（1 个）

Walter Roberson
Walter Roberson 2017-1-20
编辑：Walter Roberson 2017-1-20
  2 个评论
Walter Roberson
Walter Roberson 2017-1-21
measerr can return mean squared error, but it does so as the second output.
[~, MSE] = measerr(CoverImg,stegImg);
fprintf('MSE: %.5g\n', MSE)
hudof najeeb
hudof najeeb 2017-1-22
编辑：hudof najeeb 2017-1-22
Thank you Sir...This is exactly what I wanted

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