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Analysis and optimization of the pixel saturation effect on backscattering Mueller matrix polarimetry
Optics Letters
|August 15, 2025
Summary
Pixel saturation in backscattering Mueller matrix polarimetry can cause inaccurate biomedical imaging. This study analyzes saturation effects and proposes a fusion strategy to recover accurate polarization properties for improved clinical applications.
Area of Science:
- Biomedical optics
- Polarimetry
- Image processing
Background:
- Backscattering Mueller matrix polarimetry is crucial for in vivo biomedical and clinical applications.
- Pixel saturation from specular reflections is a common issue, compromising tissue information acquisition.
Purpose of the Study:
- To systematically analyze the impact of pixel saturation on backscattering Mueller matrix polarimetry.
- To propose a method for recovering accurate polarization properties from saturated images.
Main Methods:
- Theoretical and experimental analysis of pixel saturation effects.
- Investigation of coupling schemes and saturation thresholds.
- Development of an image fusion optimization strategy.
Main Results:
- Pixel saturation significantly influences Mueller matrix imaging.
- The area of saturation is inversely related to incident angles.
- The proposed fusion strategy successfully recovers accurate polarization properties.
Conclusions:
- Saturation challenges in Mueller matrix polarimetry can be addressed with the proposed fusion strategy.
- This work provides a valuable reference for computational Mueller matrix polarimetry in biomedical and clinical settings.

