METHOD OF SEGMENTING A 3D OBJECT IN A MEDICAL RADIATION IMAGE
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United States of America Patent
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Issued Date -
Sep 10, 2020
app pub date -
Nov 9, 2018
filing date -
Nov 9, 2017
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Abstract
Based on user input, a set of contour points of a 3D object is defined in a number of 2D slice images representing the 3D object. A 2D distance map is computed in each plane where a contour is defined. Next, a 3D distance map is created via a linear interpolation of the 2D distance maps. Each voxel is classified as in/out the segmentation mask depending on its corresponding distance map value.
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