Matlab SSIM and Corr2 values

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Mohammed Khan
Mohammed Khan 2015 年 4 月 20 日
コメント済み: Mohammed Khan 2015 年 4 月 20 日
Hi, Ive built a simple program that checks images for similairty but after using the SSIM and corr2 methods, I have found that often I get negative values. What ould I be doing wring (i am using images of same size and format). Thanks in advance; any help will be much appreciated.
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Roger Stafford
Roger Stafford 2015 年 4 月 20 日
Correlation values can easily be negative. Their possible range is from -1 to +1.
Mohammed Khan
Mohammed Khan 2015 年 4 月 20 日
oh ok. so what does it mean if the value is negative. for example i get -0.3428 -> what does this mean. thanks

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