Smooth geometrical model establishing method based on medical image data
A medical imaging and geometric model technology, applied in image data processing, 3D image processing, electrical digital data processing, etc., can solve problems such as errors and affect the reliability of dose calculation results, and achieve the effect of improving stepped contours
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[0054] The first embodiment provides a method for establishing a geometric model (three-dimensional MCNP voxel prosthetic tissue model), which includes the step of defining the type of tissue through the conversion relationship between medical image data and the type of tissue; the step of determining the number of tissue groups; The transformation relationship between medical image data and density defines the steps of tissue density; the steps of establishing a 3D coding matrix with tissue and density information; the steps of generating geometric models.
[0055] According to the conversion relationship between medical imaging data and tissue types, the number of tissue groups can be determined according to actual needs, so as to more accurately provide tissue types, element composition and density, and the established geometric model is more compatible with the reality reflected by the medical imaging data Happening.
[0056] The geometric model establishment method further inc...
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