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[Optimization Study of Non-Contact Color Measurement Parameters]
Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|August 8, 2018
Summary
Optimizing non-contact color measurement parameters is crucial for accuracy. An orthogonal experiment identified optimal settings, minimizing color difference (ΔE) for reliable spectral data acquisition.
Area of Science:
- Color Science
- Metrology
- Spectroscopy
Background:
- Objective color characterization relies on spectral or chrominance data.
- Non-contact color measurement is essential for targets inaccessible to instruments.
- Existing research lacks in-depth analysis of parameter influence on non-contact measurements.
Purpose of the Study:
- To optimize parameters for accurate non-contact color measurement.
- To investigate the impact of illumination distance, measuring distance, and exposure time.
- To establish a method for selecting the best parameter combinations.
Main Methods:
- Utilized an orthogonal experimental design for parameter optimization.
- Conducted experiments using a PR705 spectroradiometer on a ColorChecker.
- Applied range analysis and variance analysis to evaluate results.
Main Results:
- Achieved a minimum color difference (ΔE) of 0.8788 and a maximum of 1.5431.
- Demonstrated effective selection of optimal parameter combinations.
- Quantified the impact of individual parameters on measurement outcomes.
Conclusions:
- The proposed orthogonal experiment method effectively optimizes non-contact color measurement parameters.
- Accurate spectral data acquisition is achievable through careful parameter selection.
- This study provides a framework for improving color measurement reliability.
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