Transforming captured co-ordinates into screen co-ordinates

Question

I think this is probably a simple maths question but I have no idea what\'s going on right now.

I\'m capturing the positions of \"markers\" on a webcam and I have a

Answer 1

The "Kabcsh Algorithm" does exactly this: it creates a rotation matrix between two spaces given N matched pairs of positions.

http://en.wikipedia.org/wiki/Kabsch_algorithm