Article: article from journal or magazin.
Review (review): journal as complete as possible of one specific subject, written based on exhaustive analyses from published work.
Motion compensation strategies in magnetic resonance imaging.
Critical Reviews in Biomedical Engineering
Publication types: Journal Article ; ReviewPublication Status: ppublish
Image quality in magnetic resonance imaging (MRI) is considerably affected by motion. Therefore, motion is one of the most common sources of artifacts in contemporary cardiovascular MRI. Such artifacts in turn may easily lead to misinterpretations in the images and a subsequent loss in diagnostic quality. Hence, there is considerable research interest in strategies that help to overcome these limitations at minimal cost in time, spatial resolution, temporal resolution, and signal-to-noise ratio. This review summarizes and discusses the three principal sources of motion: the beating heart, the breathing lungs, and bulk patient movement. This is followed by a comprehensive overview of commonly used compensation strategies for these different types of motion. Finally, a summary and an outlook are provided.
Artifacts, Cardiovascular Diseases/diagnosis, Heart/physiology, Humans, Image Enhancement/methods, Imaging, Three-Dimensional, Lung/physiology, Magnetic Resonance Imaging/methods, Motion, Respiration, Respiratory-Gated Imaging Techniques/methods, Signal-To-Noise Ratio, Time Factors
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