Watch this Author's files
this is great work.
However, circle detection has been investigated to perfusion. Ellipse detection is crucial, especially ellipses oriented at specific angles.....
The author did a terrific job with the toolbox and demos!
However, too many bugs and compilation errors occur (i.e. similar to those expressed by prior user comments, as well as, the function: fm2dAniso)
The RENDER_MIP -- updatebuffer function-- can be modified to create a DRR of the volume. What's your take on it.