Block-matching subpixel motion estimation from noisy undersampled frames: an empirical performance evaluation

Sean Borman; Mark A. Robertson; Robert L. Stevenson

doi:10.1117/12.334654

28 December 1998 Block-matching subpixel motion estimation from noisy undersampled frames: an empirical performance evaluation

Sean Borman, Mark A. Robertson, Robert L. Stevenson

Author Affiliations +

Proceedings Volume 3653, Visual Communications and Image Processing '99; (1998) https://doi.org/10.1117/12.334654
Event: Electronic Imaging '99, 1999, San Jose, CA, United States

Abstract

The performance of block-matching sub-pixel motion estimation algorithms under the adverse conditions of image undersampling and additive noise is studied empirically. This study is motivated by the requirement for reliable sub-pixel accuracy motion estimates for motion compensated observation models used in multi-frame super-resolution image reconstruction. Idealized test functions which include translational scene motion are defined. These functions are sub-sampled and corrupted with additive noise and used as source data for various block-matching sub-pixel motion estimation techniques. Motion estimates computed from this data are compared with the a-priori known motion which enables an assessment of the performance of the motion estimators considered.

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Sean Borman, Mark A. Robertson, and Robert L. Stevenson "Block-matching subpixel motion estimation from noisy undersampled frames: an empirical performance evaluation", Proc. SPIE 3653, Visual Communications and Image Processing '99, (28 December 1998); https://doi.org/10.1117/12.334654

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