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Laser & Optoelectronics Progress, Volume. 56, Issue 2, 023301(2019)

Two-Eye Gaze Tracking Based on Pupil Shape in Space

Xiangjun Wang1,2, Haoyue Bai1,2、*, and Yubo Ni1,2
Author Affiliations
  • 1 State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China
  • 2 MOEMS Education Ministry Key Laboratory, Tianjin University, Tianjin 300072, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
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    References (14)
    Cited By (2)
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    Figures & Tables(8)
    Top view of two-eye stereo vision system for gaze tracking

    Fig. 1. Top view of two-eye stereo vision system for gaze tracking

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    Positioning of pupil center. (a) (b) Without occlusion; (c) (d) with occlusion

    Fig. 2. Positioning of pupil center. (a) (b) Without occlusion; (c) (d) with occlusion

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    Detection of pupil edge. (a) Eye area; (b) pupil area; (c) polar diagram of pupil; (d) radial derivative of pupil; (e) detection result

    Fig. 3. Detection of pupil edge. (a) Eye area; (b) pupil area; (c) polar diagram of pupil; (d) radial derivative of pupil; (e) detection result

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    Detection of pupil edge. (a)(b) With near-infrared lighting; (c)(d) without near-infrared lighting

    Fig. 4. Detection of pupil edge. (a)(b) With near-infrared lighting; (c)(d) without near-infrared lighting

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    Feature matching of pupil edge. (a) Left eye; (b) right eye

    Fig. 5. Feature matching of pupil edge. (a) Left eye; (b) right eye

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    Test of gaze points

    Fig. 6. Test of gaze points

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    • Table 1. Detection errors of gaze points for left eyepixel

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      Table 1. Detection errors of gaze points for left eyepixel

      CoordinateCol 1Col 2Col 3Col 4Col 5Col 6
      Row 14.35.06.29.411.213.1
      Row 22.94.55.88.510.811.7
      Row 33.24.35.58.711.512.2
      Row 44.75.75.610.012.414.1

    • Table 2. Detection errors of gaze points for right eyepixel

      View table

      Table 2. Detection errors of gaze points for right eyepixel

      CoordinateCol 1Col 2Col 3Col 4Col 5Col 6
      Row 112.113.69.48.36.05.0
      Row 211.711.88.56.85.54.3
      Row 311.212.58.76.74.34.1
      Row 415.114.410.29.96.86.7
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    Xiangjun Wang, Haoyue Bai, Yubo Ni. Two-Eye Gaze Tracking Based on Pupil Shape in Space[J]. Laser & Optoelectronics Progress, 2019, 56(2): 023301

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    Paper Information

    Category: Vision, Color, and Visual Optics

    Received: Jun. 29, 2018

    Accepted: Aug. 8, 2018

    Published Online: Aug. 1, 2019

    The Author Email: Bai Haoyue (shun344@qq.com)

    DOI:10.3788/LOP56.023301

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology