let me know some technique for segmenting structurally homogeneous objects to background in images.

<img src = "">

Answer 1

[Image Analyst]

See my tutorials for several examples: http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862

Also, there are many many examples in the examples and demos section of the help for the Image Processing Toolbox: http://www.mathworks.com/products/image/examples.html