How to get summation of images
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I have three images ( contrast feature,cluster prominence & cluster shade) with same size(0-255 range).I want to get the summation of this three feature images(sum_feature image).But,when get the summation, all pixel values in summation image are going to 255!(differences of pixel values are not appear).how to do this correctly?thanks!
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Image Analyst
2013년 10월 19일
Because they are uint8, they get clipped at 255 anytime the sum would exceed 255. Cast them to double before adding them.
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