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一种基于块分类的自适应运动估计搜索算法

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摘要 利用运动图像前帧获得的信息产生相关参数,并用相关参数将当前帧中的块划分为潜在的相关块和独立块,获得一种新的自适应运动图像估计搜索算法。新算法将不同的运动估计方法运用于这些潜在的相关块和独立块,以达到更加精确的估计和获得更低的计算复杂度。仿真结果证明,新算法与三步搜索(TSS)算法、新三步搜索(NTSS)算法、四步搜索(4SS)算法和新型预测搜索区域(NPSA)算法相比,具有更低的计算复杂度和更高的峰值信噪比(PSNR)。
作者 冯文江 向宫
出处 《计算机应用》 CSCD 北大核心 2007年第B12期57-59,共3页 journal of Computer Applications
基金 国家自然科学基金(60672097)
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  • 1KOGA T, LINUMA K, HIRANO A, et al. Motion compensated interframe coding for video conferencing[ C]//Proceedings of International Telecommunications Conference. New Orleans, LA, USA: [ s. n.], 1981,4:531-534.
  • 2LI R, ZENG B, LIOU M L. A new three-step search algorithm for block motion estimation[ J]. IEEE Transactions on Circuits and Systems for Video Technology, 1994, 4(4) :438 -442.
  • 3PO L M , MAW C . A novel four - step search algorithm for fast search block motion estimation[J]. IEEE Transactions on Circuits and Systems for Video Technology, 1996, 6(3) :313 -317.
  • 4CHUNG K L, CHANG L C. A new predictive search area approach for fast block motion estimation[J]. IEEE Transactions on Image Processing, 2003, 12(6) : 648 - 652.
  • 5ZHU S, MA K K. A new diamond search algorithm for fast blockmatching motion estimation[J]. IEEE Transactions on Image Processing, 2000,9(2) :287 -290.
  • 6SUHRING K. JVT reference software, JM 8.6[ CP/OL]. [2007 - 06 -05]. http://bs. hhi. de/-suehring/tml.
  • 7ZHU C, LIN X, CHAU L P, et al. A novel hexagon-based search algorithm for fast block motionestimafion[C]// Proceedings of 2001 IEEE International Conference on Acoustics, Speech, and Signal Processing, Salt Lake City, USA: IEEE Press, 2001, 3:1593 - 1596.
  • 8JING X, CHAU L P. An efficient three-step search algorithm for block motion estimation [ J]. IEEE Transactions on Multimedia, 2004, 6(3) : 435 - 438.
  • 9TOURAPIS A M, AU O C, LIOU M L. Highly efficient predictive zonal algorithms for fast block-matching motion estimation[ J]. IEEE Transactions on Circuits and Systems for Video Technology, 2002, 12(10) : 934 -947.
  • 10CHANG M C , CHIEN J S . An adaptive search algorithm based on block classification for fast block motion estimation[ C/OL]// Proceedings of 2006 IEEE International Symposium on Circuits and Systems. Washington D C: IEEE Computer Society Press, 2006. [2007 -06 - 05]. http: //163. 23. 223. 30/tch/lectmeVseminar/speech. htm.

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