how can i find dense regions in an image

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nadia
nadia 2014-11-7
编辑： Image Analyst 2014-11-7
hi i have a question about sparse and dense region in image. i want to find regions in image which have texture and are dense because i want to hide information in these parts.for example in lena image some regions such as her hairs are dense and suitable for hiding how can i find these regions? do you have any suggestion?

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Image Analyst
Image Analyst 2014-11-7
编辑：Image Analyst 2014-11-7
You can use stdfilt() or entropyfilt() to find regions with high texture.
See attached demo code, below the image:

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