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公开(公告)号：US20220155467A1
公开(公告)日：2022-05-19
申请号：US17586847
申请日：2022-01-28
Applicant: MOLECULAR DYNAMICS LIMITED
IPC: G01T1/166
Abstract: Method and apparatus for scanning a region of interest (ROI) by a gamma detector. An exemplary method includes determining, for each of multiple detector configurations, a respective weight based on an absorption profile, associating each of a plurality of portions of the ROI with a respective gamma attenuation value; and detecting gamma radiation from multiple detector configurations for time periods allocated among the detector configurations based on the weights determined.
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公开(公告)号：US20230152474A1
公开(公告)日：2023-05-18
申请号：US18095275
申请日：2023-01-10
Applicant: MOLECULAR DYNAMICS LIMITED
IPC: G01T1/166
CPC classification number: G01T1/1663
Abstract: Method and apparatus for scanning a region of interest (ROI) by a gamma detector. An exemplary method includes determining, for each of multiple detector configurations, a respective weight based on an absorption profile, associating each of a plurality of portions of the ROI with a respective gamma attenuation value; and detecting gamma radiation from multiple detector configurations for time periods allocated among the detector configurations based on the weights determined.
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公开(公告)号：US20200018865A1
公开(公告)日：2020-01-16
申请号：US16485657
申请日：2018-02-13
Applicant: MOLECULAR DYNAMICS LIMITED
IPC: G01T1/24
Abstract: A method of processing a SPECT image of a region of interest is disclosed. The SPECT image was obtained using at least one gamma detector detecting gamma radiation from the region of interest at multiple detector configurations, and the method includes: obtaining data indicative of the detector configurations and their spatial relationships to the region of interest; determining a resolution level for each of a plurality of directions in each point in the image based on the data obtained; and processing the image based on the resolution levels determined.
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