Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/33998
Title: New block motion vector estimation using adaptive pixel decimation
Authors: Chan, YL 
Siu, WC 
Issue Date: 1995
Source: ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, 1995, v. 4, p. 2257-2260 How to cite?
Abstract: A new adaptive technique based on pixel decimation for estimating motion vector is presented. In traditional approach, a uniform pixel decimation is used. Since some pixels in each block do not enter into the matching criterion, this approach might limit the accuracy of the motion vector. In this paper, we select the most representative pixels based on image content in each block for the matching criterion. This is due to the fact that high activity in the luminance signal such as edges and texture contributes mainly to the matching criterion. Our approach can compensate the drawback in standard pixel decimation techniques. Computer simulations show that this technique is close to the performance of the exhaustive search with a significant reduction on computational complexity.
Description: Proceedings of the 1995 20th International Conference on Acoustics, Speech, and Signal Processing. Part 2 (of 5), Detroit, MI, USA, 9-12 May 1995
URI: http://hdl.handle.net/10397/33998
ISSN: 0736-7791
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