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Distort to tracked points
Does anyone know how to distort a video to a set of tracked points?
For example, I have a stabilised (motion tracked) video of a face talking direct to camera and I wish to “pin” the points of the mouth and chin to prevent them significantly changing position.The results might not look out of place in a SAW movie but there is a genuine need for the effect.
The reason is that the video will be applied as a texture to a 3D model which itself has the motion of the mouth and chin applied.
Restricting motion in the video will retain wrinkles and the subtlety of expression whilst allowing the 3D model to do the structural aspects.Any thoughts?