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Respiratory motion during PET acquisition leads to blurring in images and quantification underestimation. We propose a practical, anatomy independent MR-based correction strategy for PET data affected by motion, and show it can improve image quality for both PET acquired simultaneously to the motion-capturing MR, and for PET acquired up to 1 hour earlier during a clinical scan. For our method, a short...
The desirability of multiplexing in SPECT acquisition remains controversial. Allowing multiplexing is a way of optimizing system sensitivity, however multiplexing has been found to deteriorate the image quality due to the ambiguity in the origin of the projections. In this paper we explore the system designed specifically for brain SPECT based on multi slit-slat (MSS) collimator in which the slit...
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