Rigid and Non-Rigid Motion Compensation in Weight-Bearing CBCT of the Knee Using Simulated Inertial Measurements

Objective: Involuntary subject motion is the main source of artifacts in weight-bearing cone-beam CT of the knee. To achieve image quality for clinical diagnosis, the motion needs to be compensated. We propose to use inertial measurement units (IMUs) attached to the leg for motion estimation. Method...

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Bibliographic Details
Published in:IEEE transactions on biomedical engineering 2022-05, Vol.69 (5), p.1608-1619
Main Authors: Maier, Jennifer, Nitschke, Marlies, Choi, Jang-Hwan, Gold, Garry, Fahrig, Rebecca, Eskofier, Bjoern M., Maier, Andreas
Format: Article
Language:English
Subjects:
Algorithms
Biological system modeling
Compensation
Computational modeling
Computed tomography
Cone-Beam Computed Tomography - methods
CT reconstruction
Error correction
Feasibility studies
Humans
Image Processing, Computer-Assisted - methods
Image quality
Image reconstruction
inertial measurements
Inertial platforms
Knee
Knee - diagnostic imaging
Motion
Motion compensation
Motion simulation
Noise
Noise levels
non-rigid motion
Optical tracking
Phantoms, Imaging
Sensors
Simulation
Spiral Cone-Beam Computed Tomography
Three-dimensional displays
Tracking systems
Weight-Bearing
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