Planar motion estimation algorithm for region based coding

Authors:
Florin Alexa;Vasile Gui
Affiliations:
Faculty of Electronics and Telecommunications, "Politehnica" University of Timişoara, Timişoara, Romania;Faculty of Electronics and Telecommunications, "Politehnica" University of Timişoara, Timişoara, Romania
Venue:
CONTROL'05 Proceedings of the 2005 WSEAS international conference on Dynamical systems and control
Year:
2005

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Abstract

In this paper, we proposed a randomised algorithm to estimate the motion parameters of a planar shape without knowing a priori point-to-point correspondences. By randomly searching points on two shapes measured at different times, we determine the centroids, after which the algorithm proceeds to determine the rotation by searching points on each shape that form congruent polygons.