Method and apparatus for controlling dose in computed X-ray imaging
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United States of America Patent
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Nov 17, 2015
Issued Date -
N/A
app pub date -
May 15, 2015
filing date -
Mar 7, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention pertains to a system and method for X-ray imaging wherein a targeted fluence at the detector for projection images can be achieved at a plurality of projection angles around the imaging subject by control of exposure times implemented during image acquisition. Exposure time for a second projection image may be determined by the fluence in a first projection image, and in a third projection image by the fluence in a second projection image, where projection images are acquired within two degrees of one another. An acquisition parameter calculation can be configured to calculate acquisition parameters, such as said exposure times, to achieve the targeted fluence in projection images and can be coupled to a rotation controller that implements the acquisition parameters by controlling a relative angle between the imaging subject and X-ray image acquisition device.
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Patent Citation Ranking
- 2 Citation Count
- G06T Class
- 7.39 % this patent is cited more than
- 10 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 17, 2027 |
