shape based object identification from an image?

how is it possible to do shape based detection from an image? example circle or rectangle? i have seen color wise but i need to do shape wise! any idea?

Answer 1

[Chandra Kurniawan]

Have you check this?? http://www.mathworks.com/matlabcentral/fileexchange/20666-shape-recognitionmany-shape

[bubble trouble]

does this code recognises similar round objects as welll??

[Chandra Kurniawan]

Only symetrical shape.

[Chandra Kurniawan]

You can try another code from file exchange

http://www.mathworks.com/matlabcentral/fileexchange/?term=shape+recognition

There are several techniques in recognises shape.

[CHINNI VENKATA RAMESH]

This algoritham can help to detect animals,humanbeings,like any object

[Yongjun Wang]

no website