Compensation methods for head motion detected during PET imaging
IEEE Transactions on Nuclear Science(1996)
摘要
The authors describe two methods to correct for motion artifacts in head images obtained by positron emission tomography (PET). The methods are based on six-dimensional motion data of the head that have to be acquired simultaneously during scanning. The data are supposed to represent the rotational and translational deviations of the head as a function of time, with respect to the initial head pos...
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关键词
Head,Motion detection,Positron emission tomography,Geometry,Image reconstruction,Deconvolution,Image segmentation,Kernel,Testing,Image resolution
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