Methods and apparatus for noise compensation in an imaging syste

Details Methods and apparatus for noise compensation in an imaging syste Methods and apparatus for noise compensation in an imaging syste

1998-08-25

2000-05-09

Bruce, David V.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378901, A61B 603

Patent

active

060614196

ABSTRACT:
Methods and apparatus for performing channel dependent and gain dependent smoothing filter (across channels) to compensate for noise in a multislice imaging system are described. The smoothing mainly affects the radial resolution. The filter can be combined with the matrix deconvolution filter typically used in multi-slice scanners. The filter is channel and DAS gain dependent and provides that an image generated from data collected in a multi-slice scan has about the same image quality, e.g., noise reduction, as images generated by other types of scanners.

REFERENCES:
patent: 5491735 (1996-02-01), Hsieh

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