NDLI: Motion estimation from equation of continuity. The well-conditioned computation point of view

Content Provider	IEEE Xplore Digital Library
Author	Devlaminck, V.
Copyright Year	1999
Description	Author affiliation: Univ. des Sci. et Tech. de Lille Flandres Artois, Villeneuve d'Ascq, France (Devlaminck, V.)
Abstract	In the last years, different variational approaches have been used to compute optical flow and the attention was essentially concentrated on additional regularization terms. However, almost all these methods use the classical optical flow constraint (OFC). In order to extend these variational approaches to elastic deformable motion, we recently proposed a new functional built from physical considerations and based on the Equation of Continuity EOC. We have addressed the problem to use EOC rather than OFC in terms of well-conditioned computation, which may be essential for the accuracy of the results. We demonstrate, EOC leads to a better conditioned problem than OFC and this better conditioning increases with the intensity of the pixels. Under some restrictions the same condition quality from numerical point of view, may be obtained with OFC but, in this case, the OFC solution may be over smoothed.
Starting Page	700
Ending Page	703
File Size	298378
Page Count	4
File Format	PDF
ISBN	0780354672
DOI	10.1109/ICIP.1999.817206
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-10-24
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Motion estimation Image motion analysis Optical computing Poisson equations Optical imaging Differential equations Optical devices Brightness Pixel Image coding
Content Type	Text
Resource Type	Article

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