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An improved level set for liver segmentation and perfusion analysis in MRIs

Published: 01 January 2009 Publication History

Abstract

Determining liver segmentation accurately from MRIs is the primary and crucial step for any automated liver perfusion analysis, which provides important information about the blood supply to the liver. Although implicit contour extraction methods, such as level set methods (LSMs) and active contours, are often used to segment livers, the results are not always satisfactory due to the presence of artifacts and low-gradient response on the liver boundary. In this paper, we propose a multiple-initialization, multiple-step LSM to overcome the leakage and over-segmentation problems. The multiple-initialization curves are first evolved separately using the fast marching methods and LSMs, which are then combined with a convex hull algorithm to obtain a rough liver contour. Finally, the contour is evolved again using global level set smoothing to determine a precise liver boundary. Experimental results on 12 abdominal MRI series showed that the proposed approach obtained better liver segmentation results, so that a refined liver perfusion curve without respiration affection can be obtained by using a modified chamfer matching algorithm and the perfusion curve is evaluated by radiologists.

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  • (2016)Robust semi-automated quantification of cardiac MR perfusion using level setComputers in Biology and Medicine10.1016/j.compbiomed.2016.02.01471:C(162-173)Online publication date: 1-Apr-2016
  • (2016)3D active surfaces for liver segmentation in multisequence MRI imagesComputer Methods and Programs in Biomedicine10.1016/j.cmpb.2016.04.028132:C(149-160)Online publication date: 1-Aug-2016
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  1. An improved level set for liver segmentation and perfusion analysis in MRIs

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      Published In

      cover image IEEE Transactions on Information Technology in Biomedicine
      IEEE Transactions on Information Technology in Biomedicine  Volume 13, Issue 1
      January 2009
      137 pages

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      IEEE Press

      Publication History

      Published: 01 January 2009
      Revised: 25 May 2008
      Received: 13 August 2007

      Author Tags

      1. Level set methods (LSMs)
      2. level set methods (LSMs)
      3. liver perfusion analysis
      4. liver segmentation
      5. multiple initializations

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      • (2018)A method for liver segmentation in perfusion MR images using probabilistic atlases and viscous reconstructionPattern Analysis & Applications10.5555/3288219.328823521:4(1083-1095)Online publication date: 1-Nov-2018
      • (2016)Robust semi-automated quantification of cardiac MR perfusion using level setComputers in Biology and Medicine10.1016/j.compbiomed.2016.02.01471:C(162-173)Online publication date: 1-Apr-2016
      • (2016)3D active surfaces for liver segmentation in multisequence MRI imagesComputer Methods and Programs in Biomedicine10.1016/j.cmpb.2016.04.028132:C(149-160)Online publication date: 1-Aug-2016
      • (2014)Fully automated liver segmentation from SPIR image seriesComputers in Biology and Medicine10.1016/j.compbiomed.2014.08.00953:C(265-278)Online publication date: 1-Sep-2014
      • (2014)Liver segmentation in MRIComputer Methods and Programs in Biomedicine10.1016/j.cmpb.2013.12.022114:1(11-28)Online publication date: 1-Apr-2014
      • (2012)A new unified level set method for semi-automatic liver tumor segmentation on contrast-enhanced CT imagesExpert Systems with Applications: An International Journal10.1016/j.eswa.2012.02.09539:10(9661-9668)Online publication date: 1-Aug-2012
      • (2011)Fully automatic liver volumetry using 3D level set segmentation for differentiated liver tissue types in multiple contrast MR datasetsProceedings of the 17th Scandinavian conference on Image analysis10.5555/2009594.2009651(512-523)Online publication date: 1-May-2011

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