How to sement a grayscale image into 8 halves?

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Mehreen Hussain 2013-6-24

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https://ww2.mathworks.cn/matlabcentral/answers/80032-how-to-sement-a-grayscale-image-into-8-halves

i've a grayscale image and i want to segment it in 8 parts then find the distance between those segments and then coorelate them kindly help me with matlab commands,any help is highly appreciated.

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Nitin 2013-6-24

It would be helpful if you could post an image, there are different types ways to segment an image. One would be to use Canny and get the binary image

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Image Analyst 2013-6-24

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See my image segmentation tutorial where I find centroids: http://www.mathworks.com/matlabcentral/fileexchange/25157-image-segmentation-tutorial-blobsdemo. From there it's easy to use the Pythagorean theorem to find the distance between all the centroids.