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框架提升的两种方案 被引量:6

Two Schemes for Lifting Frames
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摘要 该文给出了框架提升的两种方案,这两种方案能够使作者对已有的二进小波框架或滤波器进行修正从而构造出新的小波框架.特别地,这两种方案能够使作者从分段线性的样条紧框架的张量积出发设计出不可分框架,新的框架能起到π/4的整数倍方向上的加权平均算子、Sobel算子和Laplacian算子的作用. This paper presents two methods for lifting frames that allow people to modify existing dyadic wavelet frames or filters to construct new ones.In particular,these methods enable people to design nonseparable frames from tensor products of a piecewise linear spline tight frame,which can play the roles of the weighted average operator,the Sobel operator and the Laplacian operator in directions that are integer multiples ofπ/4.
出处 《数学物理学报(A辑)》 CSCD 北大核心 2010年第3期603-612,共10页 Acta Mathematica Scientia
基金 国家高技术研究发展计划(863计划)项目(2009AA12Z203) 国家自然科学基金(10671062)资助
关键词 框架提升 小波框架 框架多尺度分析 UEP OEP Frame lifting Wavelet frames FMRA UEP OEP
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参考文献9

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同被引文献22

  • 1黄永东,程正兴.α带小波紧框架的显式构造方法[J].数学物理学报(A辑),2007,27(1):7-18. 被引量:15
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