Monte Carlo scatter correction method for computed tomography of

Details Monte Carlo scatter correction method for computed tomography of Monte Carlo scatter correction method for computed tomography of

1998-06-13

2000-12-19

Bruce, David Vernon

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 4, 378901, 382131, G01N 23083

Patent

active

061635898

ABSTRACT:
A method of correcting aberrations caused by target x-ray scatter in three-dimensional images generated by a volumetric computed tomographic system is disclosed. The method uses a Monte Carlo simulation to determine the distribution of scattered radiation reaching the detector plane. The geometry for the scatter calculation is determined using the uncorrected three-dimensional tomographic image. The calculated scatter is used to correct the primary projection data which is then processed routinely to provide the corrected image.

REFERENCES:
patent: 5905809 (1999-05-01), Timmer

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