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http://dx.doi.org/10.5762/KAIS.2011.12.8.3697

A Prediction Search Algorithm in Video Coding by using Neighboring-Block Motion Vectors  

Kwak, Sung-Keun (School of Design, University of Incheon)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.12, no.8, 2011 , pp. 3697-3705 More about this Journal
Abstract
There is the temporal correlation of the video sequence between the motion vector of current block and the motion vector of previous block. In this paper, we propose a new prediction search algorithm for block matching using the temporal and spatial correlation of the video sequence and local statistics of neighboring motion vectors. The proposed ANBA(Adaptive Neighboring-Block Search Algorithm) determines the location of a better starting point for the search of an exact motion vector using the point of the smallest SAD(Sum of Absolute Difference) value by the predicted motion vectors of neighboring blocks around the same block of the previous frame and the current frame and use a previous motion vector. Simulation results show that PSNR(Peak-to-Signal Noise Ratio) values are improved up to the 1.06dB as depend on the video sequences and improved about 0.01~0.64dB over MVFAST and PMVFAST.
Keywords
Motion Vector; ANBA; Predictor Candidate Point; Block Matching Algorithm;
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