期刊文献+

基于同态滤波与Lee滤波器级联算法的散斑噪声压缩 被引量:2

SPECKLE COMPRESSING BASED ON COMBINATION OF HOMOMORPHIC FILTERING ALGORITHM AND LEE FILTER
在线阅读 下载PDF
导出
摘要 提出一种用于压缩散斑噪声的同态滤波 Lee滤波器级联算法 .它首先对信号进行同态变换 ,然后用 L ee滤波器作去噪声处理 ,最后再作同态逆变换 . In the paper, a homomorphic filtering algorithm used speckle noise suppressing is proposed. It first makes the homomorphic transformation on the noisy signal, then applies Lee filter to remove noise, and at the end carries out the inverse transformation. Simulation results show the algorithm can not only effectively suppress speckle noise in images but also preserve the geometrical features of images.
出处 《佳木斯大学学报(自然科学版)》 CAS 2001年第1期12-15,共4页 Journal of Jiamusi University:Natural Science Edition
关键词 散斑噪声压缩 同态滤波 Lee滤波器 speckle noise suppression homomorphic filter Lee filter
  • 相关文献

参考文献2

二级参考文献7

  • 1唐健,硕士学位论文,1996年
  • 2Shi Z H,IGRASS’94,1994年
  • 3秦前清,实用小波分析,1994年
  • 4李世雄,小波变换和反演数学基础,1994年
  • 5刘贵忠,小波分析及其应用,1992年
  • 6陈云权,硕士学位论文,1985年
  • 7黄乐天,激光斑纹及有关现象(译),1981年

共引文献21

同被引文献22

  • 1孙即祥.数字图像处理[M].石家庄:河北教育出版社,1993..
  • 2Qifeng Yu. Spin filtering processes and automatically extraction of fringe centerlines in digital images of interferometric fringes [J]. Appl Opt, 1988, 27(18) :3782-3784.
  • 3Qifeng Yu, K Andresen. New spin filters for interferometrlc fringe patterns and grating patterns[J]. Appl Opt,1994,33(15) :3705-3711.
  • 4Qifeng Yu。X Sun。X Liu.Spin filtering with curve windows for interferometric fringes [J].Appl Opt,2002,41(14):2650—2654.
  • 5Kaufmann D,Davila A,Kerr D.Interview—smoothing of speckle interferometry fringe-patterns[J].Optical Testing Digest·1997.2(4).
  • 6Lee J S.Speckle suppression and analysis for SAR images[J].Opt Eng.1986,25(5):636—643.
  • 7Dewaele P et al. Comparison of some speckle reduction techniques for SAR images[A]. IGRASS'90[C], USA: the University of Maryland College Park,2417-2422.
  • 8R Yu, A R Allen, J Watson. An optimal wavelet thresholding method for speckle noise reduction[EB/OL]. Available: http ://citeseer. ist. psu. edu/266051. html.
  • 9Rajesh Kumar, Shashi Kumar Singh, Chandra Shakher. Wavelet filtering applied to time-average digital speckle pattern interferometry fringes [J].Optics&Laser Technology, 2001,33 (8) : 567-571.
  • 10Kaufmann GH,Galizi GE. Speckle noise reduction in television holography fringes using wavelet thresholding[J]. Opt Eng. 1996,35 ( 1 ) : 9-14.

引证文献2

二级引证文献25

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