how to segment the grey level image by using watershed algorithm

i need some sample code for executing grey level images by segmenting with watershed algorithm

Answer 1

[Image Analyst]

Another nice example:

http://cmm.ensmp.fr/~beucher/wtshed.html

but no MATLAB code there though.

[sumanth shaan]

thanks alot...:-)

Answer 2

[David Young]

There is sample code in the demo "Marker-controlled watershed segmentation" in the Image Processing Toolbox, if you have it.

[sumanth shaan]

thanks alot....:-)