The role of intensity standardization in medical image registration
Pattern Recognition Letters
A non-rigid multimodal image registration method based on particle filter and optical flow
ISVC'10 Proceedings of the 6th international conference on Advances in visual computing - Volume Part I
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Medical image registration is a difficult problem. Not only a registration algorithm needs to capture both large and small scale image deformations, it also has to deal with global and local image intensity variations. In this paper we describe a new multiresolution elastic image registration method that challenges these difficulties in image registration. To capture large and small scale image deformations, we use both global and local affine transformation algorithms. To address global and local image intensity variations, we apply an image intensity standardization algorithm to correct image intensity variations. This transforms image intensities into a standard intensity scale, which allows highly accurate registration of medical images.