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低剂量CT图像恢复的研究进展

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摘要 目的:探讨了低剂量CT图像恢复的研究进展。方法:从低剂量CT研究的价值与面临问题、图像去噪算法、投影数据解析重建和迭代重建四个角度,阐述了低剂量技术的优缺点和图像恢复算法的发展趋势。结果:最新图像恢复算法的不断涌现,有效去除了低剂量CT投影数据噪声,提高了图像质量,确保了诊断的准确性。结论:尽管每种算法均有自身局限性,但仍然为低剂量CT成像技术降低了患者辐射剂量,并为更深广地诊断需求提供了可能。
作者 钱姗姗
出处 《科技创新与应用》 2014年第24期49-50,共2页 Technology Innovation and Application
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  • 1Gaohang Yu,Liqun Qi,Yuhong Dai.On Nonmonotone Chambolle Gradient Projection Algorithms for Total Variation Image Restoration[J]. Journal of Mathematical Imaging and Vision . 2009 (2)
  • 2Yu-Hong Dai,Roger Fletcher.Projected Barzilai-Borwein methods for large-scale box-constrained quadratic programming[J]. Numerische Mathematik . 2005 (1)
  • 3Antonin Chambolle.An Algorithm for Total Variation Minimization and Applications[J]. Journal of Mathematical Imaging and Vision . 2004 (1-2)
  • 4Chan T,Shen J.Image Processing and Analysis—Variational,PDE,Wavelet,and Stochastic Methods. . 2005
  • 5Fessler J A.ASPIRE3.0user’’s guide:A sparse iterative re-construction library. Communication&Signal ProcessingLaboratory Technical Report.293 .
  • 6Bai M,Chen J H,Raupach R,et al.Effect of nonlinear three-dimensional optimized reconstruction algorithm filter on imagequality and radiation dose:Validation on phantoms. Medical Physics . 2009
  • 7DJ Brenner,EJ Hall.Computed tomography-an increasing source of radiation exposure. New England Journal of Medicine, The . 2007
  • 8Anscombe FJ.The transformation of Poisson, binomial and negative-binomial data. Biometrika . 1948
  • 9Rudin L,Osher S,Fatemi E.Nonlinear total variation based noise removal algorithms. Physica D Nonlinear Phenomena . 1992
  • 10Barzilai J,Borwein JM.Two point step size gradient methods. IMA Journal of Numerical Analysis . 1988

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