Relative role of motion and PSF compensation in whole-body oncologic PET-MR imaging

Purpose: Respiratory motion and partial-volume effects are the two main sources of image degradation in whole-body PET imaging. Simultaneous PET-MR allows measurement of respiratory motion using MRI while collecting PET events. Improved PET images may be obtained by modeling respiratory motion and p...

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Veröffentlicht in:	Medical physics (Lancaster) 2014-04, Vol.41 (4), p.042503-n/a
Hauptverfasser:	Petibon, Yoann, Huang, Chuan, Ouyang, Jinsong, Reese, Timothy G., Li, Quanzheng, Syrkina, Aleksandra, Chen, Yen-Lin, El Fakhri, Georges
Format:	Artikel
Sprache:	eng
Schlagworte:	ABDOMEN Aged ALGORITHMS Analysis of motion ANIMAL TISSUES ATTENUATION Biological material, e.g. blood, urine Haemocytometers Biomedical modeling biomedical MRI Cancer Computed tomography Contrast deformation Digital computing or data processing equipment or methods, specially adapted for specific applications Female Fluorodeoxyglucose F18 Humans Image data processing or generation, in general image reconstruction Image scanners Imaging, Three-Dimensional Involving electronic [emr] or nuclear [nmr] magnetic resonance, e.g. magnetic resonance imaging ITERATIVE METHODS LIVER Liver Neoplasms - diagnosis Liver Neoplasms - diagnostic imaging Liver Neoplasms - physiopathology lung LUNGS Magnetic resonance imaging Magnetic Resonance Imaging - methods Male Measuring half‐life of a radioactive substance Mechanical and electrical properties of tissues and organs medical image processing Medical image reconstruction Medical imaging Middle Aged motion compensation motion correction Movement Multimodal Imaging NEOPLASMS NMR IMAGING noise Nuclear Medicine Physics oncologic PET‐MRI optical transfer function PATIENTS PHANTOMS Phantoms, Imaging Pneumodyamics, respiration pneumodynamics POINT SOURCES positron emission tomography Positron emission tomography (PET) Positron-Emission Tomography - methods PSF modeling RADIOLOGY AND NUCLEAR MEDICINE Reconstruction Respiration Sarcoma - diagnosis Sarcoma - diagnostic imaging Sarcoma - physiopathology Scintigraphy SIMULATION tumours Whole Body Imaging - methods
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