Intervertebral anticollision constraints improve out-of-plane translation accuracy of a single-plane fluoroscopy-to-CT registration method for measuring spinal motion

Lin, Cheng-Chung; Tsai, Tsung-Yuan; Hsu, Shih-Jung; Lu, Tung-Wu; Shih, Ting-Fang; Wang, Ting-Ming

doi:10.1118/1.4792309

Title: Intervertebral anticollision constraints improve out-of-plane translation accuracy of a single-plane fluoroscopy-to-CT registration method for measuring spinal motion

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Abstract

Purpose: The study aimed to propose a new single-plane fluoroscopy-to-CT registration method integrated with intervertebral anticollision constraints for measuring three-dimensional (3D) intervertebral kinematics of the spine; and to evaluate the performance of the method without anticollision and with three variations of the anticollision constraints via an in vitro experiment. Methods: The proposed fluoroscopy-to-CT registration approach, called the weighted edge-matching with anticollision (WEMAC) method, was based on the integration of geometrical anticollision constraints for adjacent vertebrae and the weighted edge-matching score (WEMS) method that matched the digitally reconstructed radiographs of the CT models of the vertebrae and the measured single-plane fluoroscopy images. Three variations of the anticollision constraints, namely, T-DOF, R-DOF, and A-DOF methods, were proposed. An in vitro experiment using four porcine cervical spines in different postures was performed to evaluate the performance of the WEMS and the WEMAC methods. Results: The WEMS method gave high precision and small bias in all components for both vertebral pose and intervertebral pose measurements, except for relatively large errors for the out-of-plane translation component. The WEMAC method successfully reduced the out-of-plane translation errors for intervertebral kinematic measurements while keeping the measurement accuracies for the other five degrees of freedom (DOF) more or lessmore »« less

Authors:

Lin, Cheng-Chung; Tsai, Tsung-Yuan; Hsu, Shih-Jung ^[1]; Lu, Tung-Wu ^[2]; Shih, Ting-Fang ^[3]; Wang, Ting-Ming ^[4]

Institute of Biomedical Engineering, National Taiwan University, Taiwan 10051 (China)
Institute of Biomedical Engineering, National Taiwan University, Taiwan 10051, Republic of China and Department of Orthopaedic Surgery, School of Medicine, National Taiwan University, Taiwan 10617 (China)
Department of Medical Imaging, National Taiwan University, Taiwan 10051 (China)
Department of Orthopaedic Surgery, National Taiwan University Hospital, Taiwan 10051 (China)

Publication Date:: Fri Mar 15 00:00:00 EDT 2013

OSTI Identifier:: 22130564

Resource Type:: Journal Article

Journal Name:: Medical Physics

Additional Journal Information:: Journal Volume: 40; Journal Issue: 3; Other Information: (c) 2013 American Association of Physicists in Medicine; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0094-2405

Country of Publication:: United States

Language:: English

Subject:: 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 62 RADIOLOGY AND NUCLEAR MEDICINE; ACCURACY; COMPUTERIZED TOMOGRAPHY; DEGREES OF FREEDOM; ERRORS; FLUOROSCOPY; IMAGE PROCESSING; IMAGES; IN VITRO; VERTEBRAE

Citation Formats


                    Lin, Cheng-Chung, Tsai, Tsung-Yuan, Hsu, Shih-Jung, Lu, Tung-Wu, Shih, Ting-Fang, and Wang, Ting-Ming. Intervertebral anticollision constraints improve out-of-plane translation accuracy of a single-plane fluoroscopy-to-CT registration method for measuring spinal motion.  United States: N. p., 2013. 
        Web.  doi:10.1118/1.4792309.

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                    Lin, Cheng-Chung, Tsai, Tsung-Yuan, Hsu, Shih-Jung, Lu, Tung-Wu, Shih, Ting-Fang, & Wang, Ting-Ming. Intervertebral anticollision constraints improve out-of-plane translation accuracy of a single-plane fluoroscopy-to-CT registration method for measuring spinal motion.  United States.  https://doi.org/10.1118/1.4792309

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                    Lin, Cheng-Chung, Tsai, Tsung-Yuan, Hsu, Shih-Jung, Lu, Tung-Wu, Shih, Ting-Fang, and Wang, Ting-Ming. 2013.  
        "Intervertebral anticollision constraints improve out-of-plane translation accuracy of a single-plane fluoroscopy-to-CT registration method for measuring spinal motion".  United States.  https://doi.org/10.1118/1.4792309.

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@article{osti_22130564,

  title        = {Intervertebral anticollision constraints improve out-of-plane translation accuracy of a single-plane fluoroscopy-to-CT registration method for measuring spinal motion},

  author       = {Lin, Cheng-Chung and Tsai, Tsung-Yuan and Hsu, Shih-Jung and Lu, Tung-Wu and Shih, Ting-Fang and Wang, Ting-Ming},

  abstractNote = {Purpose: The study aimed to propose a new single-plane fluoroscopy-to-CT registration method integrated with intervertebral anticollision constraints for measuring three-dimensional (3D) intervertebral kinematics of the spine; and to evaluate the performance of the method without anticollision and with three variations of the anticollision constraints via an in vitro experiment. Methods: The proposed fluoroscopy-to-CT registration approach, called the weighted edge-matching with anticollision (WEMAC) method, was based on the integration of geometrical anticollision constraints for adjacent vertebrae and the weighted edge-matching score (WEMS) method that matched the digitally reconstructed radiographs of the CT models of the vertebrae and the measured single-plane fluoroscopy images. Three variations of the anticollision constraints, namely, T-DOF, R-DOF, and A-DOF methods, were proposed. An in vitro experiment using four porcine cervical spines in different postures was performed to evaluate the performance of the WEMS and the WEMAC methods. Results: The WEMS method gave high precision and small bias in all components for both vertebral pose and intervertebral pose measurements, except for relatively large errors for the out-of-plane translation component. The WEMAC method successfully reduced the out-of-plane translation errors for intervertebral kinematic measurements while keeping the measurement accuracies for the other five degrees of freedom (DOF) more or less unaltered. The means (standard deviations) of the out-of-plane translational errors were less than -0.5 (0.6) and -0.3 (0.8) mm for the T-DOF method and the R-DOF method, respectively. Conclusions: The proposed single-plane fluoroscopy-to-CT registration method reduced the out-of-plane translation errors for intervertebral kinematic measurements while keeping the measurement accuracies for the other five DOF more or less unaltered. With the submillimeter and subdegree accuracy, the WEMAC method was considered accurate for measuring 3D intervertebral kinematics during various functional activities for research and clinical applications.},

  doi          = {10.1118/1.4792309},

  url          = {https://www.osti.gov/biblio/22130564},
  journal      = {Medical Physics},

  issn         = {0094-2405},

  number       = 3,

  volume       = 40,

  place        = {United States},

  year         = {Fri Mar 15 00:00:00 EDT 2013},

  month        = {Fri Mar 15 00:00:00 EDT 2013}

}

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