Modelos Deformáveis em Imagem Médica

• Autor(a) principal: João Manuel R. S. Tavares
• Data de Publicação: 2003
• Outros Autores: J. Barbosa, A. Jorge Padilha
• Tipo de documento: Relatório
• Idioma: por
• Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
• Texto Completo: https://hdl.handle.net/10216/594

Deformable models are currently very used in medical image since, through the use of physical principles, they simulate quite satisfactory the real objects behavior. Basically the deformable models are placed in the image near to the objects to be considered, by automatic or semi-automatic processes, and the approach to the desired final position is obtained through an energy minimization process. This energy minimization is verified when the model reaches the equilibrium, between its internal forces and the external forces originated by the data and eventual forces imposed by the user. In this report are presented the deformable models fundaments and indicated some application examples in medical imaging field, namely in segmentation, matching, alignment and in the reconstruction of 2D and 3D data. Keywords: Active contours, deformable models, medical image.