CPC G06T 11/005 (2013.01) [G06T 17/20 (2013.01)] | 5 Claims |
1. A three-dimensional reconstruction method based on half-peak probability density distribution, comprising the following steps:
(1) slicing three-dimensional point cloud along a Z-axis direction to obtain a N spatial layers;
(2) extracting a scatter information in an i-th spatial layer and projecting the information to a Zi plane;
(3) constructing a membership function of each grid and scatter in the Zi plane and drawing a three-dimensional probability density plot;
(4) making a plane parallel to a XOY plane through a half-peak wmax/2 of the three-dimensional probability density plot, the parallel intersecting the three-dimensional probability density plot to obtain a contour LXY, and the contour LXY being a radioactive source reconstruction contour corresponding to the i-th spatial layer; and,
(5) superimposing radioactive source reconstruction contours corresponding to N spatial layers sequentially to obtain a three-dimensional reconstruction model of the radioactive source.
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