Method for automatically setting up computed tomography scan parameters
AssigneeLumafield, Inc.
InventorsAdam P. Damiano, Kevin David Cedrone
Life of this patent
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Abstract
Systems, methods, apparatuses, and computer program products for nonintrusive scanning of objects using x-ray electromagnetic radiation. One method may include adjusting, by a computed tomography scanning device, at least one operation parameter including a grey value threshold based upon a material composition of a scan target; and collecting, by the computed tomography scanning device, at least one x-ray frame of the scan target based upon the at least one adjusted operation parameter.
Claims24
A method, comprising:
- adjusting, by a computed tomography scanning device, at least one operation parameter comprising a grey value threshold based upon a material composition of a scan target;
- and
- collecting, by the computed tomography scanning device, at least one x-ray frame of the scan target based upon the at least one adjusted operation parameter.
A system comprising:
- a data processing apparatus including at least one processor;
- and
- a non-transitory computer-readable medium encoding instructions configured to cause the data processing apparatus to perform operations comprising:
- setting at least one scan parameter comprising a source beam energy parameter of a computed tomography scanning device to a predefined maximum value;
- and
- scanning a scan target according to the at least one scan parameter;
- wherein the at least one scan parameter comprises a source beam current parameter, and the predefined maximum value comprises a predefined source beam current maximum value achievable by the computed tomography scanning device, and
- wherein the operations further comprise:
- determining that a filtration parameter is set to a maximum filtration value or determining that a minimum effective grey value is greater than a grey value threshold;
- in response to determining that the filtration parameter is set to the maximum filtration value or determining that the minimum effective grey value is greater than the grey value threshold, determining that a focal spot of the computed tomography scanning device is dynamic;
- and
- in response to determining that the focal spot of the computed tomography scanning device is dynamic, source beam decreasing the current parameter until
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- is satisfied.
A non-transitory computer-readable medium encoding instructions operable to cause a data processing apparatus to perform operations comprising:
- obtaining a total number of projections;
- calculating a noise optimal distribution of scan projections and flat-field correction projections based on the total number of projections, wherein the noise optimal distribution is calculated for reduced noise;
- and
- obtaining, using a computed tomography scanning device, at least one x-ray frame of a scan target based upon the distribution of the scan projections and the flat-field correction projections.
Dependencies are inferred from the claim text.