How to detect a polygon of following Shape in an image with other objects. I greatly appreciate for some help.

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Rohit Tripathi
Rohit Tripathi 2014-9-11
评论： Image Analyst 2014-9-13

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Image Analyst
Image Analyst 2014-9-11
Define exactly what does "detect" mean to you.
In hte meantime, see my Image Segmentation Tutorial: http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862
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Image Analyst
Image Analyst 2014-9-12
Alright, I did it for you. It works for this image. Since you didn't answer the question about what can vary from image to image, I give no gaurantees that it works for other images. See code attached below image.

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Rushikesh Tade
Rushikesh Tade 2014-9-12
编辑：Rushikesh Tade 2014-9-12
You can use Active shape model for that.
Here is one paper which seems to be solving same type problem. Download Paper
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