Point tracking on live video

something like this?

-howy

THANK YOU.. Spot On!.. Yes, that is almost identical to my application. That is what I'm looking. BUT I'm trying to find a freeware opensource code. Do you know one?

There is a very nice series of articles on robotic vision in SERVO magazine, written by the creator of MAVIS, the vision system used on the LEAF robots.

I wrote a script in MATLAB that finds the corners of a sheet of paper for a computer vision homework assignment. It relies on the paper having significant contrast with the background, though. I can you send you the source code if you want it. It uses and edge filter and a hough transform.

...

Intel's "Open Source Computer Vision Library"

Later, Daniel

Take a look at openCV. It includes several examples that demonstrate tracking. If your book like object can have a checkerboard pasted on the front then opencv has a function that will probably do exactly what you need.