Interpolation artefacts in mutual information-based image registration
Computer Vision and Image Understanding - Special issue on analysis of volumetric image
Alignment by maximization of mutual information
ICCV '95 Proceedings of the Fifth International Conference on Computer Vision
MICCAI '08 Proceedings of the 11th International Conference on Medical Image Computing and Computer-Assisted Intervention, Part II
Free-Form Deformations Using Adaptive Control Point Status for Whole Heart MR Segmentation
FIMH '09 Proceedings of the 5th International Conference on Functional Imaging and Modeling of the Heart
Nonrigid image registration using conditional mutual information
IPMI'07 Proceedings of the 20th international conference on Information processing in medical imaging
WBIR'06 Proceedings of the Third international conference on Biomedical Image Registration
Optimization of mutual information for multiresolution image registration
IEEE Transactions on Image Processing
Spatial information encoded mutual information for nonrigid registration
WBIR'10 Proceedings of the 4th international conference on Biomedical image registration
Deformable registration of high-resolution and cine MR tongue images
MICCAI'11 Proceedings of the 14th international conference on Medical image computing and computer-assisted intervention - Volume Part I
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As encoding spatial information into mutual information (MI) can improve the nonrigid registration against bias fields where the conventional MI is challenged, we propose to unify this encoding into the computation of the joint probability distribution function (PDF). The PDF is computed based on local volumes while the global intensity information is also incorporated to maintain the global intensity class linkage. We demonstrate this computation method can unify the PDF computation in regional MI, conditional MI, and the conventional MI. We then derive two categories of methods and apply them to different registration tasks. The experimental results demonstrate that both categories can significantly improve the registration.