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- W3209608188 abstract "Multimodal 3D medical images have the characteristics of huge operational data and multi degrees of freedom in geometric transformation. However, there are some difficulties in multimodal medical image registration, such as low registration efficiency and speed. In order to meet the clinical needs, a feature sphere constrained registration algorithm based on conformal geometric algebra is proposed in this paper. Firstly, 3D contour point clouds are extracted from multimodal medical images. Then, the spatial conformal sphere is constructed, and the feature points are calculated based on the spatial projection constraint from the point cloud to the conformal sphere. Finally, rotation operators are constructed by feature points to realize fast 3D medical image registration. Experimental results indicate that the registration algorithm based on geometric feature constraints in this paper is more effective for registration of multimodal 3D medical images, with high accuracy, anti-noise ability, rapid calculation, and strong universality." @default.
- W3209608188 created "2021-11-08" @default.
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- W3209608188 date "2021-01-01" @default.
- W3209608188 modified "2023-09-24" @default.
- W3209608188 title "Research of Medical Image Registration Based on Characteristic Ball Constraint in Conformal Geometric Algebra" @default.
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- W3209608188 doi "https://doi.org/10.1007/978-981-16-7207-1_6" @default.
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