EMISSION TOMOGRAPHY WITH GENERALIZED TIME ENCODED APERTURE IMAGING

Abstract: for emission tomography, a greater number of emissions are detected. to detect a greater number of emissions and provide better resolution than provided by a parallel hole collimator, the collimator is replaced by an attenuation object with exterior and interior edges. rather than enforcing directionality, larger holes with different shapes may be used to allow a greater number of emissions to be detected. by moving the attenuation object, the differences in the shadows on the sensor may be used as a time-encoded aperture to reconstruct the source of emissions with greater resolution and sensitivity than where a fixed parallel hole collimator is used.

Inventor(s): Alexander Hans Vija, Francesc dAssis Massanes Basi

CPC Classification: G01T1/295 ({using coded aperture devices, e.g. Fresnel zone plates (handling of radiation of particles, e.g. using diaphragms, collimators, diffraction )})

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