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

More of how to do this in objective-c in xcode, related to jacobs post, you can find here: calculate the V from A = USVt in objective-C with SVD from LAPACK in xcode