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Acta Optica Sinica, Volume. 38, Issue 8, 0815003(2018)

Review on Precise Measurement Technology Based on Mirror Binocular Vision

Fuqiang Zhou1、*, Yexin Wang2, Xinghua Chai3, and Xin Chen1
Author Affiliations
  • 1 School of Instrumentation Science and Opto-electronics Engineering, Beihang University, Beijing 100191
  • 2 State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100101
  • 3 Key Laboratory of Aerospace Information Application Technology, The 54th Research Institute of China Electronics Technology Group Corporation, Shijiazhuang, Hebei 0 50081
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    Structure of catadioptric symmetry plane mirror binocular vision system. (a) Single camera and a biprism; (b) single camera and a group of plane mirrors; (c) from left to right, spectroscope, dichroic filters, prism with plane mirrors, respectively

    Fig. 1. Structure of catadioptric symmetry plane mirror binocular vision system. (a) Single camera and a biprism; (b) single camera and a group of plane mirrors; (c) from left to right, spectroscope, dichroic filters, prism with plane mirrors, respectively

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    Structure of typical catadioptric asymmetry plane mirror binocular vision system. (a) Single camera and a mirror; (b) single camera and a pair of plane mirrors; (c) single camera and a group of plane mirrors

    Fig. 2. Structure of typical catadioptric asymmetry plane mirror binocular vision system. (a) Single camera and a mirror; (b) single camera and a pair of plane mirrors; (c) single camera and a group of plane mirrors

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    Imaging structure using single camera and curved mirrors. (a) Hyperbolic mirror; (b) two synclastic curved mirrors; (c) two inverted curved mirrors

    Fig. 3. Imaging structure using single camera and curved mirrors. (a) Hyperbolic mirror; (b) two synclastic curved mirrors; (c) two inverted curved mirrors

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    Measurement model of mirror binocular vision

    Fig. 4. Measurement model of mirror binocular vision

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    Epipolar constraint model of mirror inocular vision

    Fig. 5. Epipolar constraint model of mirror inocular vision

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    Laws of optical path difference and measurement errors. (a) Distribution of optical path difference; (b) measurement error varying with optical path difference

    Fig. 6. Laws of optical path difference and measurement errors. (a) Distribution of optical path difference; (b) measurement error varying with optical path difference

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    • Table 1. Comparison results based on different mirror binocular structures

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      Table 1. Comparison results based on different mirror binocular structures

      CategoryTypes of structureAdvantagesDisadvantages
      Plane mirror-basedbinocular visionsystemSymmetry1) The parameters of the virtualcamera generated by a singlemirror is the same, which cansimplify the calibrationprocess effectively
      Non-symmetry2) Avoid the synchronousacquisition of images in leftand right view andimprove the efficiency ofimage acquisition3) The close distancebetween the camera and themirror makes it easy todesign the sensor structure4) Baseline distance is largeand easy to configure thefield of view1) The measured fieldof view is half2) Different image resolutionsmake the matchingaccuracy reduce3) The changing field-of-viewdirection makes the configurationof the measuredobject difficult4) The unequal optical pathmeasurement reducesthe measurement accuracy
      Curved mirror-basedbinocularvision systemSymmetry1) The field of view isomnidirectional2) The parameters of thevirtual camera generated bya single mirror are the same,which can simplify thecalibration process effectively3) Avoid the synchronousacquisition of images in leftand right view and improvethe efficiency ofimage acquisition1) Inherent curing exists in images2) The target features do not have theperspective projection invariance3) The resolution of the same targethas a large difference4) The measurement model is complex
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    Fuqiang Zhou, Yexin Wang, Xinghua Chai, Xin Chen. Review on Precise Measurement Technology Based on Mirror Binocular Vision[J]. Acta Optica Sinica, 2018, 38(8): 0815003

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    Paper Information

    Category: Machine Vision

    Received: Apr. 15, 2018

    Accepted: May. 28, 2018

    Published Online: Sep. 6, 2018

    The Author Email:

    DOI:10.3788/AOS201838.0815003

    Topics

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