NIT Rourkela Secures Patent for Innovative IR/Thermal Camera Calibration Technology!
The interdisciplinary collaboration between Prof. Dipti Patra and Ms. Hasyamayee Garanayak from the Department of Electrical Engineering and Prof. Dibya Prakash Jena, Mr. Sharat Pandey, and Mr. Sanskar Singh from the Department of Industrial Design has received a patent for their invention titled: “Apparatus and Method for Calibrating Infrared (IR)/Thermal Cameras.”
The invention presents a novel instrumentation system for calibrating infrared (IR) and thermal cameras, addressing geometry, sensitivity, spatial sensitivity, and dynamic range. It features an array of circular copper plates integrated with controlled heating and chilling elements, enabling temperature variation from –25°C to approximately 150°C under steady-state conditions. Developed using a modular “Lego” concept with 3D-printed structural components, the system can be configured in different geometric arrangements, allowing precise spatial calibration and improved measurement accuracy across varied operational environments.
Laboratory validation with two thermal cameras confirmed that, unlike conventional systems, the proposed setup enables comprehensive calibration within a single platform, including:
- Geometry calibration to correct perspective errors
- Spatial sensitivity calibration
- IR resolution assessment
- Spectral range calibration
- Dynamic sensitivity calibration
The patent delivers a robust, scalable solution with applications in defence, healthcare diagnostics, industrial inspection, research laboratories, and advanced imaging systems. It demonstrates the strength of interdisciplinary research, combining engineering precision with design innovation to address complex technological challenges.
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