Multiscale analysis of volumetric motion field using general order prior

Authors:
Koji Kashu;Atsushi Imiya;Tomoya Sakai
Affiliations:
School of Advanced Integration Science, Chiba University, Chiba, Japan;Institute of Media and Information Technology, Chiba University, Chiba, Japan;Institute of Media and Information Technology, Chiba University, Chiba, Japan
Venue:
ISVC'10 Proceedings of the 6th international conference on Advances in visual computing - Volume Part I
Year:
2010

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Abstract

We introduce variational optical flow computation involving the prior with the fractional order differentiations. The fractional order differentiation is a typical tool in signal processing and image analysis. The zero crossing of a fractional order Laplacian yields a good performance for edge detection. As a sequel of edge detection with the fractional order differentiations, we deal with variational optical flow computation involving the fractional order differentiations on optical flow vectors. The method allows us to detect discontinuity of optical flow using linear operations.