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Authors: Michael Santoro ; Ghassan Al-Regib and Yucel Altunbasak

Affiliation: Georgia Institute of Technology, United States

Keyword(s): Block Matching, True Motion Estimation (ME), HBM: Smoothness Constraints, Regularization, Recursive Search (RS).

Related Ontology Subjects/Areas/Topics: Applications ; Computer Vision, Visualization and Computer Graphics ; Image and Video Analysis ; Image and Video Coding and Compression ; Image Formation and Preprocessing ; Image Registration ; Motion, Tracking and Stereo Vision ; Optical Flow and Motion Analyses ; Pattern Recognition ; Robotics ; Software Engineering ; Tracking and Visual Navigation

Abstract: Since motion estimation via block matching is an ill-posed problem, it requires the use of smoothness constraints to regularize the motion field. The block matching error and smoothness constraints together form an energy expression to be minimized. Motion vectors (MVs) from a candidate set are used to determine which MV minimizes the overall energy. These MVs, which may consist of spatial or temporal MVs, determine the quality of the motion field. Therefore, to ensure a high-quality motion field, we propose a new method to improve the quality of the MVs. The proposed method uses a novel approach to incorporate prior spatial MVs into block matching. By incorporating these MVs into block matching, we significantly reduce the size of the candidate set and improve the quality of the motion field.

CC BY-NC-ND 4.0

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Paper citation in several formats:
Santoro, M.; Al-Regib, G. and Altunbasak, Y. (2012). ADAPTIVE SEARCH-BASED HIERARCHICAL MOTION ESTIMATION USING SPATIAL PRIORS. In Proceedings of the International Conference on Computer Vision Theory and Applications (VISIGRAPP 2012) - Volume 1: VISAPP; ISBN 978-989-8565-04-4; ISSN 2184-4321, SciTePress, pages 399-403. DOI: 10.5220/0003865003990403

@conference{visapp12,
author={Michael Santoro. and Ghassan Al{-}Regib. and Yucel Altunbasak.},
title={ADAPTIVE SEARCH-BASED HIERARCHICAL MOTION ESTIMATION USING SPATIAL PRIORS},
booktitle={Proceedings of the International Conference on Computer Vision Theory and Applications (VISIGRAPP 2012) - Volume 1: VISAPP},
year={2012},
pages={399-403},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003865003990403},
isbn={978-989-8565-04-4},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the International Conference on Computer Vision Theory and Applications (VISIGRAPP 2012) - Volume 1: VISAPP
TI - ADAPTIVE SEARCH-BASED HIERARCHICAL MOTION ESTIMATION USING SPATIAL PRIORS
SN - 978-989-8565-04-4
IS - 2184-4321
AU - Santoro, M.
AU - Al-Regib, G.
AU - Altunbasak, Y.
PY - 2012
SP - 399
EP - 403
DO - 10.5220/0003865003990403
PB - SciTePress