Abstract:
:A common type of motion present in clinical magnetic resonance imaging examinations is rotational motion, such as that due to voluntary motion during head examinations. The correction scheme presented in this work offers a method for eliminating the effects of rotations within the imaging plane. Integral to the implementation of this technique is the concept and design of spatial-frequency-tuned markers, which are used to track the rotational motion. These studies showed that it is possible to accurately track the motion, measuring both axis and angle of rotation, and use this information to retrospectively correct the acquired images. These markers can also provide information about any translational motion present. The resulting images show a marked decrease in artifacts and improved clarity.
journal_name
Magn Reson Medjournal_title
Magnetic resonance in medicineauthors
Korin HW,Felmlee JP,Riederer SJ,Ehman RLdoi
10.1002/mrm.1910330511subject
Has Abstractpub_date
1995-05-01 00:00:00pages
663-9issue
5eissn
0740-3194issn
1522-2594journal_volume
33pub_type
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