Title :
An automated elastic image registration method for CT and MR brain images
Author :
Law, Wai ; Feng, Dagan David ; Wong, Koon-Pong ; Wang, Xiaying
Author_Institution :
Dept. of Electron. & Inf. Eng., Hong Kong Polytech. Univ., Kowloon, China
Abstract :
In this paper, an automated approach to register CT and MR brain images based on mutual information and landmark features is described. Images are first rigidly registered by maximization of mutual information. A geometrical feature is then exploited by a differential geometrical operator. Landmarks are searched in the geometrical feature and registered elastically by thin-plate splines. Experimental results of 2D MR-TI to CT and MR-T2 to CT registration are presented.
Keywords :
biomedical MRI; brain; computerised tomography; differential geometry; feature extraction; image registration; mathematical operators; medical image processing; optimisation; splines (mathematics); 2D MR-TI; CT brain images; MR brain images; MR-T2; automated elastic image registration; differential geometrical operator; geometrical features; landmark features; maximization; mutual information; thin-plate splines; Anatomy; Application software; Biomedical imaging; Brain; Computed tomography; Data mining; Entropy; Image registration; Information technology; Mutual information;
Conference_Titel :
Intelligent Multimedia, Video and Speech Processing, 2004. Proceedings of 2004 International Symposium on
Print_ISBN :
0-7803-8687-6
DOI :
10.1109/ISIMP.2004.1434072
