期刊文献+

动态图象运动矢量多重跟踪搜索算法及实现 被引量:1

Dynamic Images' Motion Vector Multi Tracing Method and its Realization
下载PDF
导出
摘要 针对动态图象运动矢量搜索过程中,使用普通的对数搜索方法有可能无法搜索到真实最优运动矢量的问题,分析了产生该问题的原因,并提出使用运动矢量多重跟踪方法进行运动矢量搜索。在图象匹配的过程中应用亚采样模板有效地降低了该方法的计算量。对大量数据的分析试验证实,该方法具有很好地适应多极点匹配图象的特点,能准确搜索到真实最优运动矢量点。 In the process of dynamic images' motion vector estimation, normal logarithm vector searching method has high probality of not able to find the true motion vector. The reason that causes such a problem is analysised in the paper and a new motion vector estimation method called multi tracing estimation method is introduced. In the process of image matching, a sub sample stencil is used by this multi tracing vector estimation method in order to reduce the quantity of calculation. Many frames of image are tested by this method. The result shows that this method can adapt the multi pole matching image situation better than logarithm vector searching one and can find the motion vector more accurately.
出处 《中国图象图形学报(A辑)》 CSCD 1998年第3期179-183,共5页 Journal of Image and Graphics
关键词 图象压缩 图象匹配 运动矢量 多重跟踪 搜索算法 Image compression, Image matching, Motion vector, Multi tracing, Subsample stencil
  • 相关文献

参考文献8

  • 1Arum N. Netravali,Barry G. Haskell Digital Pictures, representation and compression Plenum Press. 1988.
  • 2Puri A Aravind R. Motion Comprnstated Video Coding with Adaptive Perceptual Quantization.IEEE Trans on Circuits and Systems for Video Technology, 1991,1.
  • 3ITU-T Draft Recommendation H, 263, Video Coding for Low BitRate Communication, 1995.
  • 4CCITT Recommenxdation H, 261. Codec for audioVisual services at px64k bits/s,Geneva, 1990.
  • 5Chang, Shifan. Scalable array architecture design for full search block matching. IEEE Transactions on Circuits and Systems for Video Technology, 1995, 5(4):332-343
  • 6Teo, Hangu. Novel modular systolic array architecture for fullsearch blockmatching motion estimation, Special Sessions ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing-Proceedings v 5 1995.IEEE, Piscataway,NJ,USA, 95CH35732:3303-306.
  • 7Namazi N M. Nonuniform image motion estimation using Kalman filtering, Proceedings-ICASSP, IEEE International Conference on Acoustics,Speech and Signal Processing v 5 1994. IEEE, Piscatway, NJ, USA. 94CH3387-8:229-232.
  • 8陈廷标,夏良正编著.数字图象处理.北京:人民邮电出版社,1989:358~487

共引文献1

同被引文献2

引证文献1

二级引证文献5

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部