Organ location determination and contour sparse representation for multiorgan segmentation

Siqi Li, Huiyan Jiang, Yu Dong Yao, Benqiang Yang

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Organ segmentation on computed tomography (CT) images is of great importance in medical diagnoses and treatment. This paper proposes organ location determination and contour sparse representation methods (OLD-CSR) for multiorgan segmentation (liver, kidney, and spleen) on abdomen CT images using an extreme learning machine classifier. First, a location determination method is designed to obtain location information of each organ, which is used for coarse segmentation. Second, for coarse-to-fine segmentation, a contour gradient and rate change based feature point extraction method is proposed. A sparse optimization model is developed for refining the contour feature points. Experimentations with 153 CT images demonstrate the performance advantages of OLD-CSR as compared with related work.

Original languageEnglish
Pages (from-to)852-861
Number of pages10
JournalIEEE Journal of Biomedical and Health Informatics
Volume22
Issue number3
DOIs
StatePublished - May 2018

Keywords

  • Energy function
  • extreme learning machine
  • image segmentation
  • location determination
  • sparse optimization

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