• Optoelectronics Letters
  • Vol. 8, Issue 6, 409 (2012)
Xiao-yan WEN, Su-juan LIU, Rong-qian YANG*, and Zhi-gang WANG
Author Affiliations
  • Department of Biomedical Engineering, South China University of Technology, Guangzhou 510006, China
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    Abstract

    Tianjin University of Technology and Springer-Verlag Berlin Heidelberg 2012 A calibration board composed of 8*8 near-infrared surface-mounted diodes (NIR-SMDs) (940 nm) is designed. Meanwhile, a common binocular measurement system with the average error less than 0.1320 mm is used to obtain the geometric information of this board. A calibration method with the designed pattern is performed to obtain the parameters of the nearinfrared camera (NIRC). In the experiment, the average relative errors of focal length and principal point are 0.244% and 0.735%, respectively. The mean of image residuals is less than 0.01 pixel. The error of three-dimensional (3D) measurement is less than 0.3 mm. All those results indicate that the designed calibration board is suitable and accurate for calibrating NIRC.
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    WEN Xiao-yan, LIU Su-juan, YANG Rong-qian, WANG Zhi-gang. Pattern design and realization for calibrating near infrared camera in surgical navigation[J]. Optoelectronics Letters, 2012, 8(6): 409
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    Received: Apr. 25, 2012
    Accepted: --
    Posted: Jun. 1, 2012
    Published Online: Jul. 12, 2017
    The Author Email: Rong-qian YANG (bmeyrq@gmail.com)