High quality surface reconstruction in radiotherapy: Cross-sectional contours to 3D mesh using wavelets.
Annu Int Conf IEEE Eng Med Biol Soc
; 2015: 4222-5, 2015.
Article
em En
| MEDLINE
| ID: mdl-26737226
ABSTRACT
A novel approach for three-dimensional (3D) surface reconstruction of anatomical structures in radiotherapy (RT) is presented. This is obtained from manual cross-sectional contours by combining both image voxel segmentation processing and implicit surface streaming methods using wavelets. 3D meshes reconstructed with the proposed approach are compared to those obtained from traditional triangulation algorithm. Qualitative and quantitative evaluations are performed in terms of mesh quality metrics. Differences in smoothness, detail and accuracy are observed in the comparison, considering three different anatomical districts and several organs at risk in radiotherapy. Overall best performances were recorded for the proposed approach, regardless the complexity of the anatomical structure. This demonstrates the efficacy of the proposed approach for the 3D surface reconstruction in radiotherapy and allows for further specific image analyses using real biomedical data.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Radioterapia
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Processamento de Imagem Assistida por Computador
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Planejamento da Radioterapia Assistida por Computador
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Imageamento Tridimensional
Tipo de estudo:
Prevalence_studies
/
Qualitative_research
/
Risk_factors_studies
Limite:
Humans
Idioma:
En
Ano de publicação:
2015
Tipo de documento:
Article