A multiresolution frequency domain algorithm for fast image registrationA. D. Calway, H. Knutsson, R. Wilson, A multiresolution frequency domain algorithm for fast image registration. 3rd Int Conf on Visual Search, pp. 1–2. April 1992. PDF, 293 Kbytes.
An image registration algorithm based on combining phase differences at uniformly distributed spatial frequencies is described. The scheme accomodates 2-d disparities and when incorporated within a coarse-to-fine analysis over scale, allows for fast registration even in the presence of large disparities. Experiments performed on random noise stereo pairs demonstrate the potential of the approach.