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一种保边缘影像超分辨率重建方法

DOI: 10.11834/jig.20091111

Keywords: 超分辨重建,最大后验估计,边缘护保,加权马尔可夫先验

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Abstract:

提出了一种基于方向性平滑测度的保边缘加权马尔可夫先验模型,并将其应用到基于最大后验估计的影像超分辨率重建中。该模型对邻域内不同方向的平滑测度使用不同的权值,以此减小对影像高频成分的惩罚约束,进而保护影像的边缘。利用不同影像对本文方法进行了验证,并用MSE影像评价方法对重建影像进行了定量评价。实验结果表明,与传统马尔可夫先验模型相比,加权马尔可夫先验模型能有效保护影像的边缘,取得更好的重建结果。

References

[1]  Harris J L,Diffraction and resolving power,Journal of the Optical Society of America,1964(07).
[2]  Davila C E,Effcient recursive total least squares algorithms for FIR adaptive filtering,IEEE Transactions on Signal Processing,1994(02).
[3]  Irani M,Pelag S,Improving resolution by image matching,CVGIP:Graphical Models and Image Processing,1991(03).
[4]  Schulz R R,Stevenson R L,Extraction of high-resolution frames from video sequences,IEEE Transactions on Image Processing,1996(06).
[5]  Borman S,Stevenson R,Spatial Resolution Enhancement of LowResolutionImagesSequences-AComprehensiveReviewwith Directions for Future Research,South Bend,IN,USA:University of Notre Dame,1998.
[6]  Rudin L,Osher S,Fatemi E,Nonlinear total variation based noise removal algorithms,Physical Review D,1992.
[7]  沈焕锋,李平湘,张良培,-种顾及影像纹理特性的自适应分辨率增强算法,遥感学报,2005(03).
[8]  沈焕锋,李平湘,张良培,一种自适应正则MAP超分辨率重建方法,武汉大学学报(信息科学版),2006(11).
[9]  Park C P,Park M K,Kang M G,Super-resolution image reconstruction:a technical overview,IEEE Signal Processing Magazine,2003(03).
[10]  Tsai R Y,Huang T S,Multi-frame image restoration and registration,Advances in Computer Vision and Image Processing,1984(02).
[11]  Clark J J,Palmer M R,Laurence P D,A transformation method for the reconstruction of functions from nonuniformly spaced samples,IEEE Transactions on Signal Processing,1985(05).
[12]  Stark H,Oskoui P,High resolution image recovery from image-plane arrays,using convex projections,Journal of the Optical Society of America A:Optics,Image Science and Vision,1989(11).
[13]  Elad M,Feuer A,Super resolution restoration of an image sequence:adaptive filtering approach,IEEE Transactions on Image Processing,1999(03).
[14]  Farsiu S,Robinson D,Elad M,Fast and robust multiframe super resolution,IEEE Transactions on Image Processing,2004(10).
[15]  Zhou W,Bovik A C,A univeral image quality index,IEEE Signal Processing Letters,2002(03).

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