Dynamic Fixation of a Moving Surface Using Log Polar Sampling
Hilary Tunley, David S. Young · 1994
We describe the development and testing of a first-order motion estimation algorithm which maintains accurate fixation of features on surfaces undergoing three-dimensional motion, and determines the local affine motion parallax. The accuracy of the first-order flow estimation is much improved by the use of log-polar sampling. We investigate the contribution of fixation to this accuracy using synthetic flow, and demonstrate the performance on affine tracking in real image sequences.