Re: [EE] Computer Vision (Detection of circle or shape
	analysis)

You might want to look into ImageJ which is a porting of NIHIMAGE to java. It's free and has an acvtive support group
get it here:
http://rsbweb.nih.gov/ij/

 read about it here:
http://en.wikipedia.org/wiki/ImageJ
"ImageJ is a public domain, Java-based image processing program developed at the National Institutes of Health.[1] ImageJ was designed with an open architecture that provides extensibility via Java plugins and recordable macros.[2] Custom acquisition, analysis and processing plugins can be developed using ImageJ's built-in editor and a Java compiler. User-written plugins make it possible to solve many image processing and analysis problems, from three-dimensional live-cell imaging,[3] to radiological image processing,[4] multiple imaging system data comparisons[5] to automated hematology systems.[6] ImageJ's plugin architecture and built in development environment has made it a popular platform for teaching image processing.[7][8]

ImageJ can be run as an online applet, a downloadable application, or on any computer with a Java 5 or later virtual machine. Downloadable distributions are available for Microsoft Windows, Mac OS, Mac OS X, Linux, and the Sharp Zaurus PDA. The source code for ImageJ is freely available.[9]

The project developer, Wayne Rasband, is at the Research Services Branch of the National Institute of Mental Health."

Looking forward,
Al Shinn
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