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Thermal drift compensation method for microbolometer thermal cameras.
Robert Olbrycht1, Bogusław Więcek, Gilbert De Mey
1Institute of Electronics, Technical University of Lodz, Lodz, Poland. robert.olbrycht@p.lodz.pl
Applied Optics
|April 17, 2012
Summary
This study introduces a novel filter-based method to compensate for thermal camera drifts, eliminating the frozen image issue caused by traditional shutters. This advancement ensures continuous thermal imaging without interruption.
Area of Science:
- Optics and Photonics
- Imaging Technology
- Sensor Technology
Background:
- Thermal cameras are susceptible to image drifts.
- Current drift compensation methods often use shutters, causing image freezing.
- Continuous thermal imaging is crucial for many applications.
Purpose of the Study:
- To propose and evaluate a new drift compensation method for thermal cameras.
- To eliminate image freezing artifacts associated with traditional shutter-based compensation.
- To enable uninterrupted thermal data acquisition.
Main Methods:
- Developed a novel drift compensation technique utilizing an optical filter.
- Replaced the conventional mechanical shutter with a filter-based system.
- Tested the method's efficacy in mitigating thermal camera drifts.
Main Results:
- The filter-based method successfully compensated for thermal camera drifts.
- Eliminated the problem of frozen images during compensation.
- Demonstrated the feasibility of continuous thermal imaging.
Conclusions:
- The proposed filter-based compensation method is an effective alternative to shutter-based systems.
- This technique significantly improves the usability of thermal cameras by preventing image freezing.
- Enables continuous and artifact-free thermal data collection.
