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Automatic Co-registration of MEG-MRI Data Using Multiple RGB-D Cameras

  • Shih-Yen LinEmail author
  • Chin-Han Cheng
  • Li-Fen Chen
  • Yong-Sheng ChenEmail author
Conference paper
Part of the IFMBE Proceedings book series (IFMBE, volume 64)

Abstract

Integration of functional and structural modalities is essential to functional brain mapping. This paper presents an automatic co-registration system for aligning the coordinate systems between magnetoencephalography/electroencephalo-graphy (MEG/EEG) and magnetic resonance image (MRI) using multiple off-the-shelf RGBD cameras. The system was constructed by using multiple Kinects for Windows V2, which were calibrated for the integration of the captured data of subjects’ heads from multiple views. The integrated point clouds of the head surface captured by Kinects played an intermediate role between MEG/EEG and MRI. MEG/EEG-to-Kinect co-registration was conducted by using 3D locations of three anatomical landmarks, whereas Kinect-to-MRI co-registration was performed by using Gaussian mixture model to align facial part of points automatically segmented from both Kinect data and MRI. Combination of these two co-registration results yields the MEG/EEG-to-MRI transformation. Our evaluation results showed that the proposed system can achieve coordinate system alignment with high accuracy.

Notes

Acknowledgments

This work was supported in part by the Taiwan Ministry of Science and Technology (Grants MOST-103-2221-E-009-131 and MOST-102-2410-H-010-003-MY2), Taipei Veterans General Hospital (Grant V102E3-004), and the UST-UCSD International Center of Excellence in Advanced Bioengineering sponsored by the Taiwan Ministry of Science and Technology I-RiCE Program (Grant MOST-103-2911-I-009-101).

Conflicts of Interests

The authors declare that there are no conflicts of interest.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Department of Computer ScienceNational Chiao Tung UniversityHsinchuTaiwan
  2. 2.Institute of Biomedical InformaticsNational Yang-Ming UniversityTaipeiTaiwan
  3. 3.Institute of Brain Science and Institute of Biomedical InformaticsNational Yang-Ming UniversityTaipeiTaiwan
  4. 4.Integrated Brain Research Unit, Department of Medical ResearchTaipei Veterans General HospitalTaipeiTaiwan

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