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    This study presents a new photometric compensation method to fix visual inconsistencies between projectors. It ensures seamless, high-quality images in multi-projection displays, even with varied hardware.

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    Area of Science:

    • Computer Vision
    • Image Processing
    • Display Technology

    Background:

    • Multi-projection systems often suffer from luminance and chrominance variations between projectors.
    • Existing solutions struggle to achieve perceptually acceptable quality with heterogeneous projectors.
    • Spatial non-uniformity degrades the seamlessness and visual quality of large-scale displays.

    Purpose of the Study:

    • To introduce a novel photometric compensation technique for inter-projector variations.
    • To enhance the perceived seamlessness and visual consistency of multi-projection systems.
    • To address the challenge of achieving high visual quality with heterogeneous display hardware.

    Main Methods:

    • A novel photometric compensation technique utilizing the RLab color appearance model for adaptive, perceptual processing.
    • Adaptive color gamut acquisition and spatially varying gamut mapping.
    • An optimization framework for edge blending to ensure seamless transitions.

    Main Results:

    • The proposed method significantly improves visual quality in multi-projection displays with heterogeneous projectors.
    • Experimental results demonstrate both qualitative and quantitative enhancements.
    • Achieved perceptually acceptable quality in alleviating spatial non-uniformity.

    Conclusions:

    • The RLab color appearance model enables perceptually superior photometric compensation.
    • The integrated approach of gamut acquisition, mapping, and edge blending is effective.
    • This technique offers a robust solution for improving visual consistency in complex projection environments.