National Tsing Hua University Institutional Repository:Hierarchical motion estimation algorithm based on pyramidal successive elimination
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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 電機工程學系 > 會議論文  >  Hierarchical motion estimation algorithm based on pyramidal successive elimination


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    题名: Hierarchical motion estimation algorithm based on pyramidal successive elimination
    作者: Chia-Wen Lin;Yao-Jen Chang;Yung-Chang Chen
    教師: 林嘉文
    日期: 1998
    出版者: Institute of Electrical and Electronics Engineers
    關聯: Proc. Int. Computer Symp., Tainan, Taiwan, Dec. 1998, Pages 41-44
    关键词: Hierarchical
    algorithm
    pyramidal successive elimination
    摘要: In this paper, we propose a hierarchical three step search algorithm using pyramid hierarchy. Hierarchical Minkowski inequality is adopted to reduce the cost of the sum of absolute difference (SAD) computations. A top-town procedure is developed to search motion vectors hierarchically and the search pattern used in the well-known Three Step Search (TSS) is adopted. We also propose a hybrid motion estimation scheme by combining the proposed Hierarchical Block Sum Pyramid Three Step Search (HBSPTSS) with the famous Block-Based Gradient Search (BBGDS) algorithms. Experimental results show that, compared to other existing search algorithms, the proposed hybrid search algorithm can achieve high computation efficiency for both slow-motion and fast-motion video contents while maintaining excellent PSNR performance. It is thus suitable for wide application fields with real-time requirement.
    相関连結: http://www.ee.nthu.edu.tw/~cwlin/pub/ics98.pdf
    http://www.ieee.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/68482
    显示于类别:[電機工程學系] 會議論文

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