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Projection pattern intensity control technique for 3-D optical measurement.

Cunwei Lu, Genki Cho

    Optics Express
    |June 3, 2009
    PubMed
    Summary
    This summary is machine-generated.

    A novel projection pattern control technique automatically adjusts intensity distributions for 3-D image measurement. This method ensures ideal image capture despite changing conditions, improving speed and practicality.

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    Area of Science:

    • Computer Vision
    • Optical Metrology
    • Image Processing

    Background:

    • Traditional 3-D image measurement struggles with varying object properties like color and surface reflectivity.
    • Inconsistent measurement conditions lead to images lacking ideal intensity distribution, hindering accurate analysis.

    Purpose of the Study:

    • To develop an adaptive projection pattern control technique for robust 3-D image measurement.
    • To overcome limitations caused by changing object characteristics during image acquisition.

    Main Methods:

    • A new technique automatically adjusts projection pattern intensity distribution.
    • The system adapts to real-time changes in measurement conditions.

    Main Results:

    • Achieved ideal intensity distribution in captured images.
    • Required an average of only three projections for successful image acquisition.
    • Demonstrated significant improvements in measurement speed and robustness.

    Conclusions:

    • The proposed technique enhances the speed, robustness, and practicality of 3-D image measurement.
    • Automatic adjustment of projection patterns ensures high-quality image acquisition across diverse conditions.