Radiation correction method for infrared polarization imaging system with front-mounted polarizer

Area of Science:

• Optics and Photonics
• Infrared Imaging Technology
• Polarimetry

Background:

• Infrared imaging polarimetry systems often use front-mounted polarizers, which can introduce significant radiation.
• The architecture of these systems influences image acquisition and polarization data calculation.
• Uncorrected radiation can lead to errors in polarization information.

Purpose of the Study:

• To analyze the imaging process of infrared polarization imaging systems with front-mounted polarizers.
• To propose and validate a novel radiation correction method for such systems.
• To improve the accuracy of polarization information derived from infrared imaging.

Main Methods:

• Analysis of the infrared polarization imaging process with a front-mounted polarizer.
• Development of a modified infrared imaging model for radiation correction.
• Experimental verification using both laboratory and outdoor setups.

Main Results:

• The proposed correction method effectively mitigates radiation effects from the front-mounted polarizer.
• Scene radiation measurement errors were significantly reduced.
• The accuracy of calculated polarization information was substantially improved.

Conclusions:

• The developed radiation correction method is effective for infrared imaging polarimetry systems.
• Accurate polarization information can be obtained by addressing front-mounted polarizer-induced radiation.
• This advancement is crucial for applications relying on precise polarization measurements.