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Smooth gray-level based surface interpolation for anisotropic data sets
Smooth gray-level based surface interpolation for anisotropic data sets
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机译:各向异性数据集的基于平滑灰度的表面插值
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摘要
The present invention relates to a method of determining a distance of a source point to a surface of an object in three-dimensional space, wherein the object is represented by a decision rule and a plurality of volume elements, referred to as voxels, piled up in slices comprising rows and columns, each voxel carrying at least one value, and the decision rule determining the membership of each voxel to the object in accordance with the at least one value of the voxel, the method comprising the steps:determining a contour of the object representation within each slice;locating on the contour of each slice a homing point closest to the source point;fitting a curve to the located homing points; anddetermining a distance from the source point to the fitted curve as the distance to the surface of the object.
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