Optical Flow Computation from an Asynchronised Multiresolution Image Sequence

Authors:
Yusuke Kameda;Naoya Ohnishi;Atsushi Imiya;Tomoya Sakai
Affiliations:
Graduate School of Advanced Integration Science, Chiba University,;School of Science and Technology, Chiba University,;Institute of Media and Information Technology, Chiba University, Chiba, Japan 263-8522;Institute of Media and Information Technology, Chiba University, Chiba, Japan 263-8522
Venue:
ISVC '09 Proceedings of the 5th International Symposium on Advances in Visual Computing: Part I
Year:
2009

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Abstract

We develop a method for the optical flow computation from a zooming image sequence. The synchronisation of image resolution for a pair of successive images in an image sequence is a fundamental requirement for optical flow computation. In a real application, we are, however, required to deal with a zooming and dezooming image sequences, that is, we are required to compute optical flow from a multiresolution image sequence whose resolution dynamically increases and decreases. As an extension of the multiresolution optical flow computation which computes the optical flow vectors using coarse-to-fine propagation of the computation results across the layers, we develop an algorithm for the computation of optical flow from a zooming image sequence.