Descripción
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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. | |
Internacional
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Si |
Nombre congreso
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31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2009) |
Tipo de participación
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960 |
Lugar del congreso
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Minneapolis MN USA |
Revisores
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Si |
ISBN o ISSN
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1557-170X |
DOI
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Fecha inicio congreso
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02/09/2009 |
Fecha fin congreso
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06/09/2009 |
Desde la página
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3625 |
Hasta la página
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3628 |
Título de las actas
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Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC 2009) |