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Authors: Ahmed Fahad and Tim Morris

Affiliation: School of Computer Science, The University of Manchester, United Kingdom

Keyword(s): Lucas-Kanade, Inverse compositional, Motion, Warping.

Related Ontology Subjects/Areas/Topics: Applications ; Computer Vision, Visualization and Computer Graphics ; Human-Computer Interaction ; Image and Video Analysis ; Image Registration ; Methodologies and Methods ; Motion and Tracking ; Motion, Tracking and Stereo Vision ; Pattern Recognition ; Physiological Computing Systems

Abstract: A recently proposed fast image alignment algorithm is the inverse compositional algorithm based on Lucas-Kanade. In this paper, we present an overview of different brightness and gradient constraints used with the inverse compositional algorithm. We also propose an efficient and robust data constraint for the estimation of global motion from image sequences. The constraint combines brightness and gradient constraints under multiple quadratic errors. The method can accommodate various motion models. We concentrate on the global efficiency of the constraint in capturing the global motion for image alignment. We have applied the algorithm to various test sequences with ground truth. From the experimental results we conclude that the new constraint provides reduced motion error at the expense of extra computations.

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Paper citation in several formats:
Fahad, A. and Morris, T. (2008). LUCAS-KANADE INVERSE COMPOSITIONAL USING MULTIPLE BRIGHTNESS AND GRADIENT CONSTRAINTS. In Proceedings of the Third International Conference on Computer Vision Theory and Applications (VISIGRAPP 2008) - Volume 1: VISAPP; ISBN 978-989-8111-21-0; ISSN 2184-4321, SciTePress, pages 565-570. DOI: 10.5220/0001083405650570

@conference{visapp08,
author={Ahmed Fahad. and Tim Morris.},
title={LUCAS-KANADE INVERSE COMPOSITIONAL USING MULTIPLE BRIGHTNESS AND GRADIENT CONSTRAINTS},
booktitle={Proceedings of the Third International Conference on Computer Vision Theory and Applications (VISIGRAPP 2008) - Volume 1: VISAPP},
year={2008},
pages={565-570},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001083405650570},
isbn={978-989-8111-21-0},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the Third International Conference on Computer Vision Theory and Applications (VISIGRAPP 2008) - Volume 1: VISAPP
TI - LUCAS-KANADE INVERSE COMPOSITIONAL USING MULTIPLE BRIGHTNESS AND GRADIENT CONSTRAINTS
SN - 978-989-8111-21-0
IS - 2184-4321
AU - Fahad, A.
AU - Morris, T.
PY - 2008
SP - 565
EP - 570
DO - 10.5220/0001083405650570
PB - SciTePress

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