Chinese Optics Letters, 2007, 5 (7): 389, Published Online: Jul. 11, 2007  

Registering multiple medical images using the shared chain mutual information Download: 523次

Author Affiliations
Department of Control Science and Engineering, Harbin Institute of Technology, Harbin 150001
Abstract
A new approach to the simultaneous registration of multiple medical images is proposed using shared chain mutual information (SCMI) as the matching measure. The presented method applies SCMI to measure the shared information between the multiple images. Registration is achieved by adjusting the relative position of the floating image until the SCMI between all the images is maximized. Using this measure, we registered three and four simulated magnetic resonance imaging (MRI) images using downhill simplex optimization to search for the optimal transformation parameters. Accuracy and validity of the proposed method for multiple-image registration are testified by comparing the results with that of two-image registration. Furthermore, the performance of the proposed method is validated by registering the real ultrasonic image sequence.

Jing Jin, Qiang Wang, Yi Shen. Registering multiple medical images using the shared chain mutual information[J]. Chinese Optics Letters, 2007, 5(7): 389.

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