Memorias de investigación
Ponencias en congresos:
A new geometrical method for 3D evaluation of non-rigid registration methods for radiotherapy in prostate cancer
Año:2008
Áreas de investigación
  • Inteligencia artificial,
  • Medicina
Datos
Descripción
Three-dimensional conformal radiotherapy aims at delivering a high dose of radiation to the tumour, while sparing the surrounding normal tissue to a maximum extent. Image registration is an essential tool for monitoring radiation therapies, since allows morphological comparisons in presence of anatomic variations. The evaluation of non-rigid registration methods is very complicated owe to the absence of a known pointwise correspondence. The use of analysis of variations in target volume delineations has been proposed in the past for the evaluation of non-rigid registration methods. Delineation of the target volume is usually accomplished by outlining the contour of the volume in each separate tomographic slice. In the studies of reference, the 3D surface is rendered from the contours by means of a Delauney triangulation. This geometrical method only works correctly for convex structures. However the volumes involved on pelvic anatomy, such as bladder or prostate including the seminal vesicles, have relevant concavities that introduce a huge error in the evaluation. A new geometrical method for the evaluation of convex-concave target volumes delineation is proposed
Internacional
Si
Nombre congreso
Computer Assisted Radiology and Surgery 22nd International Congress and Exhibition (CARS 2008)
Tipo de participación
960
Lugar del congreso
Barcelona
Revisores
Si
ISBN o ISSN
1861-6410
DOI
Fecha inicio congreso
25/06/2008
Fecha fin congreso
28/06/2008
Desde la página
59
Hasta la página
60
Título de las actas
Proceedings of the Computer Assisted Radiology and Surgery 22nd International Congress and Exhibition (CARS 2008)(CARS 2008)
Esta actividad pertenece a memorias de investigación
Participantes
Grupos de investigación, Departamentos, Centros e Institutos de I+D+i relacionados
  • Creador: Grupo de Investigación: Grupo de Bioingeniería y Telemedicina
  • Departamento: Tecnología Fotónica
  • Centro o Instituto I+D+i: Centro de tecnología Biomédica CTB