High-Accuracy Calibration Method of a Thermal Camera Using Two Reference Blackbodies.

Area of Science:

• Physiological monitoring
• Biomedical engineering
• Thermometry

Background:

• Accurate body temperature measurement is crucial for assessing vital functions.
• Current methods (liquid, electronic, non-contact thermometers) have limitations, especially for moving individuals.
• Thermal imaging cameras offer remote sensing but are susceptible to environmental factors and require specialized algorithms for accuracy.

Purpose of the Study:

• To present a novel measurement system model for highly accurate remote human body temperature determination.
• To develop and validate a specialized temperature determination algorithm for improved measurement accuracy.
• To address the challenge of measuring body temperature in moving subjects.

Main Methods:

• Development of a measurement system model incorporating a specialized temperature determination algorithm.
• Calibration of the measurement system model using a dedicated calibration stand.
• Validation of the developed method and system effectiveness through tests on a test stand with reference radiation sources.

Main Results:

• The developed measurement system model and algorithm were calibrated successfully.
• Tests confirmed the correct operation and effectiveness of the temperature measurement method.
• The system demonstrates potential for accurate remote body temperature assessment.

Conclusions:

• The proposed measurement system and algorithm provide a viable solution for accurate remote body temperature measurement.
• This approach overcomes the limitations of traditional and existing non-contact methods, particularly for moving individuals.
• Further development and application of this system can enhance physiological monitoring capabilities.