Medical Image Registration by Combined Morphology Gradient and Mutual Information
Jinliang Li · Journal of Biomedical Engineering Research · 2006
Mutual information has been widely applied in medical image registration because of the merits of non-preprocessing and high automation.However,the computed quantity of mutual information is large,so its running time is long,and it is easy to get in local maximum with absence of the processing of space information.In order to solve the problem,a new image registration method based on morphology gradient and mutual information was proposed.The running time could be shortened by the new method and the traditional local maximum problem by using intensity information and space geometric figure could be amended.The results of experiment show that the accuracy and running speed of new method is superior to the traditional mutual information method.