How to implement thumb and fore finger interface

Question

Hi all, I am developing a simple multi touch table using only a projector and a web cam. I found out that i could use this Thumb and fore finger interface technique. but i don't have any clue of how to implement it. i think it can be implemented with OpenCV or OpenFrameworks and use with CCV. can anybody help me ?

Thanks,

Answer 1

You could go to the researcher's web site and download his recent papers about the subject. There the core parts of his technique should be explained.

Answer 2

i found something helpful here Thanks everyone.. and if you have any coding examples let me know.