Segmentation of prostate boundaries from ultrasound images using statistical shape model

Dinggang Shen, Yiqiang Zhan, Christos Davatzikos

Research output: Contribution to journalArticle

193 Citations (Scopus)

Abstract

This paper presents a statistical shape model for the automatic prostate segmentation in transrectal ultrasound images. A Gabor filter bank is first used to characterize the prostate boundaries in ultrasound images in both multiple scales and multiple orientations. The Gabor features are further reconstructed to be invariant to the rotation of the ultrasound probe and incorporated in the prostate model as image attributes for guiding the deformable segmentation. A hierarchical deformation strategy is then employed, in which the model adaptively focuses on the similarity of different Gabor features at different deformation stages using a multiresolution technique, i.e., coarse features first and fine features later. A number of successful experiments validate the algorithm.

Original languageEnglish
Pages (from-to)539-551
Number of pages13
JournalIEEE Transactions on Medical Imaging
Volume22
Issue number4
DOIs
Publication statusPublished - 2003 Apr 1
Externally publishedYes

Keywords

  • Attribute vector
  • Deformable registration
  • Deformable segmentation
  • Gabor filter
  • Hierarchical strategy
  • Prostate segmentation
  • Statistical shape model
  • Ultrasound image

ASJC Scopus subject areas

  • Biomedical Engineering
  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology
  • Electrical and Electronic Engineering
  • Computer Science Applications
  • Computational Theory and Mathematics

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