Scatter correction for CT method and apparatus

Details Scatter correction for CT method and apparatus Scatter correction for CT method and apparatus

2008-07-08

2008-07-08

Thomas, Courtney (Department: 2882)

X-ray or gamma ray systems or devices

Accessory

Testing or calibration

C378S007000, C378S009000

Reexamination Certificate

active

11731357

ABSTRACT:
A method, system, and machine readable media are provided for correcting scatter in an image. The method comprises sequentially emitting radiation from a subset of radiation sources toward a detector array and measuring radiation on areas of the detector array not exposed to the emitted primary radiation at the time of measurement. Scatter is estimated from the measured radiation. Furthermore, the scatter estimates are subtracted from the measured data and images with improved image quality are reconstructed.

REFERENCES:
patent: 7334940 (2008-02-01), Nukui

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