Best Segmentation technique for a structurally homogenous image

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I would like to segment a structurally homogenous object from the background image. Techniques like active contours, region growing and merging and adaptive thresholding have already been employed and little efficiency has been demonstrated. The image is a gray scale image and i would like to make use of a new technique to segment these structurally homogenous objects from the background. Kindly suggest me a better segmentation technique other than the above mentioned techniques.
Image Analyst
Image Analyst on 25 Jul 2012
Why can't you simply use size and/or shape information? It's big and round so that should be a major clue. Did you see my BlobsDemo in my File Exchange?

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Answers (1)

Spandan Tiwari
Spandan Tiwari on 25 Apr 2013
Try using the new function activecontour in the Image Processing Toolbox that shipped in R2013a. It should be useful for this problem.

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