Continuity order of local displacement in volumetric image sequence

Authors:
Koji Kashu;Yusuke Kameda;Masaki Narita;Atsushi Imiya;Tomoya Sakai
Affiliations:
School of Advanced Integration Science, Chiba University;JSPS, School of Advanced Integration Science, Chiba University;School of Advanced Integration Science, Chiba University;Institute of Media and Information Technology, Chiba University, Chiba, Japan;Institute of Media and Information Technology, Chiba University, Chiba, Japan
Venue:
WBIR'10 Proceedings of the 4th international conference on Biomedical image registration
Year:
2010

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Abstract

We introduce a method for volumetric cardiac motion analysis using variational optical flow computation involving the prior with the fractional order differentiations. The order of the differentiation of the prior controls the continuity class of the solution. Fractional differentiations is a typical tool for edge detection of images. As a sequel of image analysis by fractional differentiation, we apply the theory of fractional differentiation to a temporal image sequence analysis. Using the fractional order differentiations, we can estimate the orders of local continuities of optical flow vectors. Therefore, we can obtain the optical flow vector with the optimal continuity at each point.