How to segment white matter, gray matter and csf in MR image?

I need to segment white matter, gray matter and csf to find the tumors in an image. initially in segmentation i have to use bwt(berkeley wavelet transform).

[KALYAN ACHARJYA]

Be specific.

[Image Analyst]

Try this link

Answer 1

[Zee Idrees]

Is it possible to do segment wm, gm and csf by using morphological operations like erosion and dilation??

[Image Analyst]

Possibly. Try it and see. I do it via thresholding and kmeans in the attached code.

[Krishna Prakash]

Why is the output just a blank image

Please help