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Novel 3D/VR Interactive Environment for MD Simulations, Visualization and Analysis
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Generic precise augmented reality guiding system and its calibration method based on 3D virtual model.

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    |July 14, 2016
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    Summary
    This summary is machine-generated.

    This study introduces a novel augmented reality (AR) guiding system for precise manual work. The system uses a digital projector and a new back projection model for high accuracy in large spaces.

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    Area of Science:

    • Computer Vision
    • Robotics
    • Human-Computer Interaction

    Background:

    • Augmented reality (AR) systems offer precise guidance for manual tasks.
    • System adaptability and accuracy depend on computational models and calibration methods.

    Purpose of the Study:

    • Propose a novel AR guiding system with a new design scheme.
    • Achieve high relative indication accuracy in large working spaces using external positioning.

    Main Methods:

    • Develop a digital projector-based AR system with a back projection model derived from 3D model and projector geometry.
    • Design a calibration method to determine projector parameters.
    • Utilize 3D positioning equipment data for extrinsic parameter optimization.

    Main Results:

    • The proposed system demonstrates high relative indication accuracy in large working areas.
    • The back projection model is validated using collected coordinate data.
    • Subpixel pattern projection technique verifies final projecting indication accuracy.

    Conclusions:

    • The novel AR guiding system provides precise and accurate guidance for manual works.
    • The developed back projection model and calibration method are effective for projector-based AR systems.