how to classify voxel either cartilage or background in matlab?

I have to work on cartilage segmentation of the knee and for this segmentation am using voxel classification approach please help me for the same.

Answer 1

[Image Analyst]

There's no cartilage finding function built in to MATLAB. Look here for algorithms that you can build up from lower level functions: http://www.visionbib.com/bibliography/contentsmedical.html#Medical%20Applications,%20CAT,%20MRI,%20Ultrasound,%20Heart%20Models,%20Brain%20Models