block segmentation into 10x10 blocks and getting the mean intensity of each block

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Samantha Villanueva
回答： Ameer Hamza 2020-9-9
Hello please help me. I would like to block segment my images into 10x10 pixel blocks and then use these blocks for feature extraction in which I would get the mean intensity of the image blocks. Please help me code this thank you

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回答（1 个）

Ameer Hamza
Ameer Hamza 2020-9-9
See blockproc(): https://www.mathworks.com/help/images/ref/blockproc.html#br_lkwm-1
For example
im = rgb2gray(im2double(imread('peacock.jpg')));
im_new = blockproc(im, [10, 10], @(x) mean(x.data, 'all'));

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