Noise Identification and Removal in Positron Imaging Systems

1 January 1981

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Nuclear Science

Vol. 28 (1) , 148-151
https://doi.org/10.1109/TNS.1981.4331157

Abstract

The noise (scattered and random) generated in two positron emission imaging systems has been studied and mathematically modeled as an exponential convolving function. Compton scattering is presumed to be a dominant factor, as opposed to random events. Deconvolution of the sensed data has enabled us to eliminate noise and to obtain images which can be quantified. Further, these images have improved diagnostic quality.

Keywords

POSITRONS
SCATTERING
NOISE SHAPING
SHAPE
NOISE FIGURE
NOISE MEASUREMENT
BIOMEDICAL IMAGING
CIRCUIT NOISE
EVENT DETECTION
GEOMETRY