Ray-tracing in three dimensions for calculation of radiation-dose calculations. Master's thesis
This thesis addresses several methods of calculating the radiation-dose distribution for use by technicians or clinicians in radiation-therapy treatment planning. It specifically covers the calculation of the effective pathlength of the radiation beam for use in beam models representing the dose distribution. A two-dimensional method by Bentley and Milan is compared to the method of Strip Trees developed by Duda and Hart and then a three-dimensional algorithm built to perform the calculations in three dimensions. The use of PRISMS conforms easily to the obtained CT Scans and provides a means of only doing two-dimensional ray-tracing while performing three-dimensional dose calculations. This method is already being applied and used in actual calculations.
- Research Organization:
- Army Military Personnel Center, Alexandria, VA (USA). Program Analysis Office
- OSTI ID:
- 5324749
- Report Number(s):
- AD-A-168179/0/XAB
- Country of Publication:
- United States
- Language:
- English
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