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Imaging system high dynamic range colorimetric calibration method based on a digital chain.

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    Summary
    This summary is machine-generated.

    This study introduces a digital chain measurement method for high dynamic range (HDR) color management in imaging systems. The new calibration technique improves accuracy and resolution for precise color characterization.

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    Area of Science:

    • Imaging Science
    • Colorimetry
    • Digital Signal Processing

    Background:

    • High dynamic range (HDR) color management requires accurate calibration between imaging systems and standard radiation.
    • Existing calibration methods face challenges in meeting the critical requirements for HDR applications.

    Purpose of the Study:

    • To propose a novel colorimetric calibration method for imaging systems using digital chain measurement.
    • To enhance the accuracy and resolution of color measurement in HDR imaging scenarios.

    Main Methods:

    • Constructed a HDR colorimetric calibration process model based on an imaging chain, including light source, target reflectance, optical parameters, spectral sensitivities, and color matching functions.
    • Obtained visual tristimulus values and three-channel response values using the model for a given target.
    • Adjusted target parameters to simulate diverse HDR imaging conditions and applied regression algorithms for calibration.

    Main Results:

    • The proposed method demonstrated a broader dynamic range and denser sampling compared to existing techniques.
    • Achieved enhanced accuracy in colorimetric characterization models for imaging systems.
    • Resulted in superior resolution in color measurement for HDR applications.

    Conclusions:

    • The digital chain measurement approach offers a robust solution for HDR colorimetric calibration.
    • This method significantly improves the performance and reliability of color management in advanced imaging systems.