MR-Based Compensation of Respiratory Motion Artifacts of In-Vivo PET Images Acquired on a Simultaneous Whole-Body MR/PET System

Keywords

abdomen abdominal accelerated accurate acquisition activity ahead align aligned amount analogy applicable applications approximately artifacts bingen blocks blur blurred body breath capable channel chosen comparable compensation consisted consistent corrected counts cycle deformable deformation deformations deformed demon demons desired detection diagnostic diaphragm diffusion directly edge edges either elastic enabled enables equal estimation evaluation even examination fashion fast final flow free gated gates gating gradient green highly hospital incorporating indications induced intermediate keep labeled lesions liver lung maintaining mandatory materials measured medical metabolic metastases minutes monitor monitored motion myocardium navigator offer orientation patients pixel position positions positron post presence procedure processing proposed quality radiation radioactively reconstructed reduced reducing registering registration relates reliable resolution respiration respiratory retrospectively rigid scanners schematically sensitive sharpness significantly simultaneous simultaneously since slice slices spacing spatial started studies subsequent summed summing system temporal therapy thoracic thorax though tissues tomography tool torso transformation tumor underwent usually vector volumes whole yielded yielding