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一種快速自適應(yīng)全局運(yùn)動估計(jì)算法的研究

張方 肖嵩 吳成柯

張方, 肖嵩, 吳成柯. 一種快速自適應(yīng)全局運(yùn)動估計(jì)算法的研究[J]. 電子與信息學(xué)報(bào), 2004, 26(4): 574-579.
引用本文: 張方, 肖嵩, 吳成柯. 一種快速自適應(yīng)全局運(yùn)動估計(jì)算法的研究[J]. 電子與信息學(xué)報(bào), 2004, 26(4): 574-579.
Zhang Fang, Xiao Song, Wu Cheng-ke. Study on a Fast Adaptive Global Motion Estimation Algorithm[J]. Journal of Electronics & Information Technology, 2004, 26(4): 574-579.
Citation: Zhang Fang, Xiao Song, Wu Cheng-ke. Study on a Fast Adaptive Global Motion Estimation Algorithm[J]. Journal of Electronics & Information Technology, 2004, 26(4): 574-579.

一種快速自適應(yīng)全局運(yùn)動估計(jì)算法的研究

Study on a Fast Adaptive Global Motion Estimation Algorithm

  • 摘要: 該文提出一種快速自適應(yīng)全局運(yùn)動估計(jì)算法。該方法從分析塊匹配運(yùn)動矢量統(tǒng)計(jì)特性出發(fā),通過 引入一個可預(yù)設(shè)置參數(shù),計(jì)算當(dāng)前幀與參考幀之間的基本平移矢量,并自適應(yīng)地采取混合全局運(yùn)動、局部運(yùn) 動估計(jì)的算法處理不同特征的源數(shù)據(jù).仿真結(jié)果表明,與傳統(tǒng)方法相比,該文算法復(fù)雜性低、處理延時(shí)小、 更利于硬件實(shí)現(xiàn),在PSNR變化不大的情況下,編碼效率有較大的改善.
  • Tse Y T, Baker R L. Global zoom/pan estimation and compensation for video compression. Proc.ICASSP, Toronto, Canada, May 1991: 2725-2728.[2]Hoetter M. Differential estimation of the global motion parameters zoom and pan. IEEE Trans.on Signal Processing, 1989, 16(2): 249-265.[3]Kook-yeol Yoo, Jae-kyoon Kim. A new fast local motion estimation algorithm using global motion[J].Signal Processing.1998, 68(2):219-224[4]Dufaux F, Konrad J. Efficient, robust and fast global motion estimation for video coding. IEEE Trans. on Image Processing, 2000, IP-9(3): 497-501.[5]Yuwen He, Bo Feng, Shiqiang Yang, Yichuo Zhong. Fast global motion estimation for global motion compensation coding. ISCAS 2001, Sydney, Australia, May 2001: 233-236.[6]Kook-yeol Yoo, Jae-kyoon Kim. New motion estimation and compensation algorithms for video compression combining global and local motions. Signal Processing: Image Communication, 1999,11(15): 201-216.[7]Kui Zhang, Josef Kittler. Global motion estimation and robust regression for video coding. Proc.Intl Conf. Acoustics, Speech, and Signal Processing, Seattle, WA, May 1998: 241-244.[8]Richter H, Smolic A, Stabemack B, Muller E. Real time global motion estimation for MPEG-4 video encoder. Proc. PCS2001, Picture Coding Symposium, Seoul, Korea, April 2001: 197-200.[9]Joerg Heuer, Andre Kaup. Global motion estimation in image sequences using robust motion vector field segmentation. Proceedings ACM Multimedia 99, Orlando, Florida, 30 October-5November 1999: 261-264.[10]ITU-T. Draft ITU-T recommendation H.263: video coding for low bitrate communication. International Telecommunication Union, 26 September 1997.
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出版歷程
  • 收稿日期:  2002-07-04
  • 修回日期:  2003-02-25
  • 刊出日期:  2004-04-19

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