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一种基于9/7小波提升格式的自适应提升系统 被引量：2

An adaptive lifting system based on lifting scheme of 9/7 wavelet
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摘要 提出了一种在变换和重建时可采用不同决策算子的自适应算法,并将其应用到9/7小波的提升步骤中,组成了一个与JPEG2000相兼容、灵活的自适应提升系统.实验结果表明,此系统对奇异信号的处理优于9/7小波本身,具有很强的实用性和可推广性. This paper proposes a novel adaptive lifting scheme adopting different decision maps for transformation and reconstruction. It is applied to the lifting steps of the 9/7 wavelet to form a flexible adaptive lifting system, which is compatible with JEPG2000. Simulation results show that it outperforms the 9/7 wavelet transformation and some other adaptive lifting schemes in the singular signal processing.
作者 王刚 张晔 张晓峰
机构地区 哈尔滨工业大学图像与信息技术研究所
出处 《哈尔滨工业大学学报》 EI CAS CSCD 北大核心 2005年第12期1694-1697,共4页 Journal of Harbin Institute of Technology
关键词 自适应提升格式 9/7小波变换 自适应提升系统 adaptive lifting scheme 9/7 wavelet transformation adaptive lifting system
分类号 TN919.81 [电子电信—通信与信息系统]
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参考文献9

  • 1JPEG2000 Part I Final Committee Draft Version 1.0. http ://www. jpeg. org.
  • 2PIELLA G, HEIJMANS H J A M. An adaptive update Lifting Schemes With Perfect Reconstructio [ A ]. Image Processing, 2001 Proceedings [ C ]. Thessaloniki,Greece: [ s. n. ] , 2001. 190 - 193.
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同被引文献13

  • 1尚玲,陈峰,徐文立.基于提升结构的自适应小波变换研究[J].计算机应用研究,2006,23(1):19-21. 被引量：2
  • 2方涛,郭达志.小波变换与图像数据压缩评价[J].计算机科学,1997,24(2):46-49. 被引量：2
  • 3Henri Maitre,Isabelle Bloch.Image Fusion[J].Vistas in Astronomy,1997,41(3):329-335.
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  • 6Daubechies I,Sweldens W.Factoring Wavelet Transform Into Lifting Steps[J].J.Fourier Anal.Appl,1998,4(3):245-267.
  • 7Sweldens W.The lifting scheme:a construction of second generation wavelets[J].SIAM J.Math.Anal,1997,29(2):511-546.
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引证文献2

二级引证文献6

哈尔滨工业大学学报
2005年 第12期

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