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利用欧氏距离变换Snake模型分割脊椎CT图像 被引量：2

Application of spine CT image segment based on snake model with Euclidean distance transformation
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摘要 在计算机虚拟脊椎矫正系统中,为模拟钢钉打入椎骨后相关脊椎骨产生位移和旋转,需要建立患者脊柱的三维模型。由于脊椎结构复杂,空间位置相互交错,造成了在靠近上下椎骨连接区域的CT图像中既有当前椎骨的图像,还有相邻其它椎骨的部分骨组织图像的状态,用传统的分割方法很难从脊柱的CT序列图像中分割出单个的椎骨。在传统Snake模型算法基础上,通过引进一种新的能量表达方法,改善了传统算法对具有复杂凹形轮廓物体分割效果差的缺点,在脊椎CT图像分割中取得了良好的效果。 For sinmlating the displacement and rotation of the vertebrae which nail has been implanted on,reconstructing a 3-D model of patient＇s spine is first step in virtual spinal diorthosis surgery.However,it is difficult to segment vertebrae image individually from CT image because of complicated structure and spatial position of spine.This paper describes a new energy expression based on traditional Snake arithmetic.This technique can improve limitation of traditional Snake arithmetic,especially for the complicated cupped contour such as spine CT image.
作者 仇涵 于蕾 耿国华
机构地区 西安工程大学计算机科学学院 西安理工大学计算机科学与工程学院 西北大学信息科学与技术学院
出处 《计算机工程与应用》 CSCD 北大核心 2008年第30期178-182,216,共6页 Computer Engineering and Applications
关键词 医学图像 图像分割 SNAKE模型 欧氏距离变换 medical image image segment Snake model Euclidean distance transformation
分类号 TP391 [自动化与计算机技术—计算机应用技术]
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参考文献22

  • 1Kass M,Witkin A,Terzopoulos D.Snakes:active contourmodels[J].International Journal of Computer Vision, 1987,1 (4) : 321-331.
  • 2Amini A A,Weymouth T E,Jain R C.Using dynamic programming for solving variational problems in vision[J].IEEE Trans Part Anal Math Intell, 1990, 12(9 ) : 855-867.
  • 3Cohen L D.On active contour models and balloons[J].CVGIP:Imag Under, 1991,53(2) :211-218.
  • 4Caselles V,Catte F,Coil T,et al.A geometric model for active contou rs[J].Numerische Mathematik, 1993,66 : 1:231.
  • 5Malladi R,Sethian J,Vemuri B C.Shape modeling with front propagation:a level set approach[J].IEEE Trans Part Anal Mach Intell, 1995,17(2) : 158-175.
  • 6Caselles V,Kimmel R,Sapiro G.Geodesic active contours[C]//Proc of the 5th Int'l Conf Comp Vis, 1997:694-699.
  • 7Xu C,Pham D L,Prinee J L.Medieal image segmentation using deformable models [M]//Fitzpatrick J M,Sonka M.Handbook of Medical Imaging-Volume 2:Medical Image Processing and Analysis.[S.l.]: SPIE Press,2000: 129-174.
  • 8Xu C,Prinee J L.Snakes,shapes,and gradient vector flow[J].IEEE Transactions on hnage Processing, 1998,7(3 ) : 359-369.
  • 9Xu C,Prinee J L.Gradient vector flow:a new external force for snakes[C]//Proc IEEE Conf on Comp Vis Part Reeog(CVPR).Dos Alamitos: Comp Soc Press, 1997 : 66-7 I.
  • 10Lam K M,Yan H.Fast greedy algorithm for active contours[J]. Electronics Letters, 1994,30( 1 ) :21-23.

二级参考文献44

  • 1李俊.基于曲线演化的图像分割方法及应用：博士学位认文[M].上海:上海交通大学,2001..
  • 2[1]M Kass, A Witkin, D Terzopoulous. Snake: Active contour models. In: Brady I M, Rosenfield A eds. Proc of the 1st Int'l Conf on Computer Vision. London: IEEE Computer Society Press, 1987. 259～263
  • 3[3]D Mumford, J Shah. Boundary detection by minimizing functions. The Conf on Computer Vision and Pattern Recognition, San Francisco, 1985
  • 4[4]De Giorgi, D Carriero, A Leac. Existence theorem for a minimum problem with free discontinuity set. Archive for Rational Mechanics and Analysis, 1989, 108(3): 195～218
  • 5[5]D Mumford, J Shah. Optimal approximation by piecewise smooth functions and associated variational problems. Communication on Pure and Applied Mathematics, 1989, 42(5): 577～685
  • 6[6]Gobbino. Finite difference approximation of the Mumford-Shah functional. Communication Pure Applied Mathematics, 1998, 51(2): 197～228
  • 7[7]L Ambrosio, V Tortorelli. Approximation of functionals depending on jumps by elliptic functionals via-convergence. Communication on Pure and Applied Mathematics, 1990, 43(8): 999～1036
  • 8[8]L Ambrosio, V Tortorelli. On the approximation of free discontinuity problems. Bollettino Della Unione Matematica Inaliana, 1992, 7(6-B): 105～123
  • 9[9]T Chan, L Vese. Active contour without edges. IEEE Trans on Image Processing, 2001, 10(2): 266～277
  • 10[10]T Chan, L Vese. Active contour without edges for vector-valued image. Journal of Visual Communication and Image Representation, 2001, 11: 130～141

共引文献201

同被引文献17

  • 1迪理木拉提.巴吾东,刘文亚.多层螺旋CT肝脏体积测量及其临床应用价值[J].中国医学影像技术,2005,21(10):1534-1536. 被引量：15
  • 2付京波,王霄英,李龙,黄柳明,贾钧.MR对离体肝脏体积测量的实验研究[J].中国医学影像技术,2006,22(1):48-50. 被引量：5
  • 3Zhong Jia.Automated vertebra segmentation and quantification algorithm of whole spine MR images[D].University of Cincinnati, USA, 2004.
  • 4Gamio J C,Belongie S J,Majumdar S.Normalized cuts in 3-D for spinal MRI segmentation[J].IEEE Transactions on Medical Imaging, 2004,23 ( 1 ) : 36-44.
  • 5Rangayyan R M, Deglint H J, Boag G S.Method for the automatic detection and segmentation of the spinal canal in computed tomographic images[J].Journal of Electronic Imaging, 2006, 15(3).
  • 6Smyth P P, Taylor C J, Adams J E.Vertebral shape: Automatic measurement with active shape models[J].Radiology, 1999, 211 (2):571-578.
  • 7Hardisty M, Gordon L, Agarwal P, et al.Quantitative characterization of metastatic disease in the spine, Part I: Semiautomated segmentation using atlas-based deformable registration and the level set method[J].Medical Physics,2007,34:3127-3134.
  • 8Shi J,Malik J.Normalized cuts and image segmentation[J].IEEE Transactions on Pattern Analysis and Machine Intelligence, 2000,22(8) : 888-905.
  • 9Li C, Xu C, Gui C, et al.Level set evolution without re-initialization:A new variational formulation[C]//CVPR 2005,2005.
  • 10Carvalho E A,Ushizima D M,Medeiros F N S,et al.SAR imagery segmentation by statistical region growing and hierarchical merging[J].Digital Signal Processing, 2010,20(5) : 1365-1378.

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计算机工程与应用
2008年 第30期

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