Abstract #4525
Artifact Removal in Carotid Imaging based on Motion Measurement using Structured Light
Huijun Chen 1 , Jin Liu 2 , Zechen Zhou 3 , Chun Yuan 2 , Peter Boernert 4 , and Jinnan Wang 5
1
Tsinghua University, Beijing, Beijing,
China,
2
University
of Washington, Seattle, WA, United States,
3
Tsinghua
University, Beijing, China,
4
Philips
Research Europe, Hamburg, Germany,
5
Philips
Reserach North America, Seattle, WA, United States
Motion induced artifact is a common cause of
unsatisfactory image quality in carotid artery imaging:
previous study found that motion was the most
significant contributor to low image quality. Monitoring
and quantifying motion in the neck area is more
challenging than other body parts due to the complex
non-rigid motion pattern. Structured light based motion
detection system has been recently developed for MR. It
was selected for neck based motion tracking in this
study because of its capability in accurately measuring
distance changes.
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