Observatorio de I+D+i UPM

Memorias de investigación
Communications at congresses:
3D Liver Segmentation in Preoperative CT Images using a Level-Sets Active Surface Method
Year:2009
Research Areas
  • Electronics engineering
Information
Abstract
In this work we propose an active surface method to segment complete liver volumes from preoperative CT abdominal images. The method finds the surface that minimizes an energy function combining intensity inside and outside the surface, gradient information and curvature restrictions. The implementation is based on a level set technique following a multi-resolution strategy to reduce computing time. It requires only a single seed point inside the liver to initialize the active surface. The algorithm has been validated on a set of previously diagnosed livers. Resulting segmentations have been supervised by clinicians and radiologists, and numerically evaluated in terms of volume measurements with respect to those obtained from radiologists¿ manual segmentations. Additionally, radiologists analyzed the necessity of additional corrections on segmenting volumes.
International
Si
Congress
31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2009)
960
Place
Minneapolis MN USA
Reviewers
Si
ISBN/ISSN
1557-170X
Start Date
02/09/2009
End Date
06/09/2009
From page
3625
To page
3628
Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2009)
Participants
  • Autor: José Luis Rubio Guivernau (UPM)
  • Autor: Maria Jesus Ledesma Carbayo (UPM)
  • Autor: Andres de Santos Lleo (UPM)
Research Group, Departaments and Institutes related
  • Creador: Grupo de Investigación: Tecnología de imágenes biomédicas
  • Centro o Instituto I+D+i: Centro de tecnología Biomédica CTB
  • Departamento: Ingeniería Electrónica
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