Analysis of subpixel motion estimation

Erwin B. Bellers; Gerard de Haan

doi:10.1117/12.334655

28 December 1998 Analysis of subpixel motion estimation

Erwin B. Bellers, Gerard de Haan

Proceedings Volume 3653, Visual Communications and Image Processing '99; (1998) https://doi.org/10.1117/12.334655
Event: Electronic Imaging '99, 1999, San Jose, CA, United States

Abstract

The use of interpolation filters in a motion estimator to realize sub-pixel shifts, may lead to unintentional preferences for some velocities over other. In this paper we analyze this phenomenon, focusing on the case of interlaced image data where the problem leads to the most pronounced errors. Linear interpolators, either applied directly or indirectly using generalized sampling are discussed. The conclusions are applicable to any type of motion estimator.

Citation Download Citation

Erwin B. Bellers and Gerard de Haan "Analysis of subpixel motion estimation", Proc. SPIE 3653, Visual Communications and Image Processing '99, (28 December 1998); https://doi.org/10.1117/12.334655

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