Correction method for quantification accuracy improvement in list mode reconstruction

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United States of America Patent

PATENT NO 11428829
APP PUB NO 20200363542A1
SERIAL NO

16963320

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Abstract

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A non-transitory computer-readable medium stores instructions readable and executable by a workstation (18) including at least one electronic processor (20) to perform an image reconstruction method (100) to reconstruct list mode data acquired over a frame acquisition time using a plurality of radiation detectors (17) in which the events of the list mode data is timestamped. The method includes: for the sub-frame bins of a plurality of sub-frame bins into which the frame acquisition time is divided, determining a sub-frame singles rates map for the plurality of radiation detectors from the list mode data whose time stamps reside in the sub-frame bin; determining a singles rate for the singles events of the list mode data using the sub-frame singles rates maps wherein the singles rates for the singles events are determined at a temporal resolution that is finer than the frame acquisition time; determining correction factors for the list mode data using the determined singles rates for the singles events of the list mode data; and reconstructing the list mode data of the frame acquisition time using the determined correction factors to generate a reconstructed image for the frame acquisition time.

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Patent Owner(s)

Patent OwnerAddress
KONINKLIJKE PHILIPS N V5656 AG EINDHOVEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Andreyev, Andriy Willoughby Hills, US 41 112
Bai, Chuanyong Solon, US 61 299
Hu, Zhiqiang Twinsburg, US 63 262
Song, Xiyun San Jose, US 32 126
Ye, Jinghan Livermore, US 45 586

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