Using vvvv Language one colour tracking application is successfully done by me. Using this application user can mark the particular thing with specify colour and then using webcam computer can identify that particular colour and shows the x and y position of colour. Using this application user can get many output operation like on particular x and y position play movie or sound etc.
Done by: Arshad F Pathan
mail: email@example.com, firstname.lastname@example.org