A mix-pattern motion estimation search algorithm based on direction adaptation[J]. Journal of Image and Graphics, 2011, 16(1): 14-20. DOI: 10.11834/jig.20110115.
a direction-based adaptive mix-pattern motion estimation search algorithm is proposed. The algorithm makes the best of spatial and temporal correlation
which improves the veracity of the search center prediction compared with the algorithms employing spatial correlation only. By employing adaptive threshold technology on static block determination
the disadvantage of const threshold technology on static block determination has been avoided. Moreover
the algorithm chooses the search strategy according to the corresponding motion type
which can balance the video quality and speed simultaneously. Experimental results show that the proposed algorithm can highly reduce the time of motion estimation ensuring the video quality compared with the UMHexagonS algorithm.