SYSTEM AND METHODS FOR ACCELERATING SIMULATION OF RADIATION TREATMENT
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Abstract
A method for estimating a radiation dose and distribution for a target volume is provided. The method includes receiving a simulated dose array (606) describing a plurality of simulated dose values for a plurality of voxels in the target volume, generating an energy deposition coefficient function for the plurality of voxels (608), and obtaining a raw fluence array based at least on the simulated dose array and the energy deposition coefficient function (612). The method also includes generating an adjusted fluence array (613) based on the raw fluence array and at least one adjustment criteria, and generating an adjusted dose array (622) for the target volume based on the adjusted fluence array and the energy deposition coefficient function.
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Citations
50 Claims
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1-29. -29. (canceled)
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30. A method for estimating a radiation dose and distribution for a target volume, the method comprising:
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receiving a simulated dose array and a composition array, the dose array describing a plurality of simulated dose values for a plurality of voxels in the target volume, the composition array describing one or more compositions associated with each of the plurality of voxels in the target volume; generating an energy deposition coefficient function for the plurality of voxels; obtaining a raw fluence array based at least on the simulated dose array and the energy deposition coefficient function; generating an adjusted fluence array based on the raw fluence array and at least one adjustment function; generating an adjusted dose array for the target volume based on the adjusted fluence array and the energy deposition coefficient function. - View Dependent Claims (31, 32, 33, 34, 35, 36)
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37. A radiation treatment system, comprising:
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a storage element for receiving a simulated dose array and a composition array, the simulated dose array describing a plurality of simulated dose values for a plurality of voxels in a target volume comprising one or more different compositions, the composition array describing one or more compositions associated with the plurality of voxels in the target volume; and a processing element configured for; generating an energy deposition coefficient function for the plurality voxels; obtaining a raw fluence array based at least on the simulated dose array and the energy deposition coefficient function, generating an adjusted fluence array based on the raw fluence array and at least one adjustment function, and generating an adjusted dose array for the target volume based on the adjusted fluence array and the energy deposition coefficient function. - View Dependent Claims (38, 39, 40, 41, 42, 43)
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44. A computer-readable medium, having stored thereon a computer program for estimating a radiation dose and distribution for a target volume, the computer program comprising a plurality of code sections, the code sections executable by a computer for causing the computer to perform the steps of:
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receiving a simulated dose array and a composition array, the dose array describing a plurality of simulated dose values for a plurality of voxels in the target volume, the composition array describing one or more compositions associated with each of the plurality of voxels in the target volume; generating energy deposition coefficient function for the plurality of voxels; obtaining a raw fluence array based at least on the simulated dose array and the energy deposition coefficient function; generating an adjusted fluence array based on the raw fluence array and at least one adjustment function; generating an adjusted dose array for the target volume based on the adjusted fluence array and the energy deposition coefficient function. - View Dependent Claims (45, 46, 47, 48, 49, 50)
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Specification