bart at max (also BITter)

How to track in a space only colored compact shapes surrounded by white color?

I know how to track persons and colors, now i am searching to track colored compact shapes that only are surrounded by white. How to separated, this compact shapes surrounded by white from the rest of the camera image?

I have to track minimum six persons dressed with white t-shirts with a colored form on.

# on every t-shirt one colored form (kind of triangle, square, circle)

1 find the white t-shirts (white surroundings)

How to track in a space only colored compact shapes surrounded by white color? 

I know how to track persons and colors, now i am searching to track colored compact shapes that only are surrounded by white. How to separated, this compact shapes surrounded by white from the rest of the camera image? 

I have to track minimum six persons dressed with white t-shirts with a colored form on. 

THE PERSONS
# white t-shirt
# on every t-shirt one colored form (kind of triangle, square, circle) 

THE TRACKING
# (web)camera
# track and follow the color
# recognize the form 

THE STEPS
1 find the white t-shirts (white surroundings)
2 see and follow which color is inside
3 recognize the form
4 action ...


Track only colored compact shapes that are surrounded by white color