Geometrical model establishing methodand dose calculation method based on medical image data
A geometric model and medical imaging technology, which is applied in the field of geometric model establishment based on medical image data and dose calculation based on medical image data, can solve the problem of metabolism without considering the distribution of boron drug and the time of boron drug, which affects the reliability of dose calculation results To achieve the effect of improving the reliability of dose calculation, improving the accuracy and precision, and improving the quality of treatment
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no. 1 example
[0071] The first embodiment includes: the step of defining the tissue type through the conversion relationship between the medical image data and the tissue type; the step of determining the number of tissue groups; and the step of defining the tissue density through the conversion relationship between the medical image data and the density.
[0072] According to the conversion relationship between medical image data and tissue types, the number of tissue groups can be determined according to actual needs, so as to provide more accurate tissue types, element compositions and densities, and the established geometric model is more in line with the reality reflected by medical image data. Condition.
[0073] The number of organization groups is the number of organization groups manually defined by the user plus the number of 4 types of organization groups or the number of 14 types of organization groups already in the database. If there is no corresponding organization grouping n...
no. 2 example
[0074] The second embodiment includes: the step of defining or reading the ROI boundary; the step of judging whether the medical image voxel is within the ROI boundary: if yes, then enter the process of specifying a specific tissue and density for each voxel within the ROI boundary The user manually defines the tissue type and density step or enters the step of automatically defining the ROI tissue type and density through the conversion relationship between medical image data and tissue type / density, if not, then enters through the medical image data and tissue type The conversion relationship between automatically defines the step of tissue type and the step of defining tissue density through the conversion relationship between medical image data and density.
[0075] Users can manually define the tissue type, element composition and density of ROI. If it is not within the ROI boundary, define the tissue type according to the conversion relationship between medical image dat...
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