G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 23/04 (2006.01) A61B 6/03 (2006.01) G06T 5/50 (2006.01)
Patent
CA 2275100
A method of tracking organ motion and removing motion artifacts in X-ray computer tomography scans is disclosed. An object is irradiated by two sources such that the object is irradiated from a same location at two different time instances. Projection measurement data are detected by a receiving sensor array. The projection measurement data of the object irradiated from the same location at the two different time instances are correlated using a spatial overlap correlator method in order to obtain data indicative of organ motion. The projection measurement data and the data indicative of organ motion are then processed using an adaptive processing method to remove artifacts due to organ motion.
Dhanantwari Amar C.
Stergiopoulos Stergios
Freedman Gordon
Minister Of National Defence
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