Image Processing: How to detect a quadrialteral signboard in image?

Posted by xabi123 on Stack Overflow See other posts from Stack Overflow or by xabi123
Published on 2010-06-11T07:31:16Z Indexed on 2010/06/11 7:42 UTC
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Hi guys,

How can I detect a quadrilateral signboard from an image captured using a mobile phone? How can i detect shapes like rectangle? rounded rectangle (rounded corners instead of shape corners)?

I am using opencv.wrapper but i am new to it.

Thanks.

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