A flexible block matching searching algorithm---hierarchical searching method
HU Guang-sh · Tv Engineering · 2002
Sorts of block-based search strategies are simulated and compared in this paper.Since strategies are different in the motion estimation precision of large-motion and small-motion blocks,a separate search algo-rithm is presented,which selects different search algorithm according as the block motion vectors are large or small.It achieves a good effect in both the search time and the reconstruction image quality.