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How to obtain histogram of image blocks(16*16) . please help me

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vidya naveen
vidya naveen on 12 Feb 2015
Commented: Image Analyst on 12 Feb 2015
i have compound image and i divided image into blocks. How can i find gradients for each blocks so that i can differentiat image into 3 layers Mask, FG and BG please help me...............
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Image Analyst
Image Analyst on 12 Feb 2015
What is a compound image? What does a histogram have to do with gradients? And we have no idea what would be in the "3 layers" that you call Mask, FG, and BG. Please read this http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer

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