Computation of mutual information in medical image registration based on mutual information / 生物医学工程学杂志
Journal of Biomedical Engineering
;
(6): 12-17, 2008.
Artigo
em Chinês
| WPRIM
| ID: wpr-230666
ABSTRACT
Registration based on mutual information is a typical method in medical image registration. Mutual information is a common similarity measure in image registration, which has excellent robustness and accuracy, but large calculation amount makes it difficult to be applied to clinics. In this paper, a registration algorithm based on multi-resolution and hybrid optimization is adopted to implement 2-dimension monomodal and multimodal registrations of MRI and CT images of human heads with different numbers of gray bins. Results of experiments show that registration precisions have not notable change with 32, 64 gray bins, compared with 256 gray bins, whereas the computation costs decrease remarkably.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Patologia
/
Algoritmos
/
Processamento de Imagem Assistida por Computador
/
Informática Médica
/
Encéfalo
/
Diagnóstico por Imagem
/
Imageamento por Ressonância Magnética
/
Interpretação de Imagem Assistida por Computador
/
Tomografia Computadorizada por Raios X
/
Imageamento Tridimensional
Tipo de estudo:
Estudo diagnóstico
Limite:
Humanos
Idioma:
Chinês
Revista:
Journal of Biomedical Engineering
Ano de publicação:
2008
Tipo de documento:
Artigo
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