The Application of Commutative Supplement of the Method of Median Filter and Gradient in the Process of CT Image
HE Qing · Journal of Biomedical Engineering Research · 2004
In CT image processing, if the method of median filter or gradient are used apartly, the quality of image can′t be improved well. Because of the effect of commutative supplement of the two methods, they can be used mixed and alternately. The noise of CT image is not only eliminated, but also the information of image edge is reinforcel.