How to use profile for image detection in documents

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Fateme Jalali
Fateme Jalali 2016-1-20
评论： Fateme Jalali 2016-1-21
Hello,I am writing Matlab code to detect images in a document (like a scanned magazine). First I divided my whole document into blocks. Now I don't know how to use morphology or profile to detect images(not histogram or text). My code and data base document are attached. Thanks.

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Image Analyst
Image Analyst 2016-1-20
编辑：Image Analyst 2016-1-20
Try thresholding for white. Then use bwareafilt() or bwareaopen() to throw out blobs smaller than a certain size. Or you can throw out non-rectangular shapes.
All that stuff in your code about dividing an image up into blocks, you can throw out. It's not appropriate.

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