Region of Interest (ROI)

In the context of infrared imaging, a region of interest (ROI) is a specific area within a thermal image selected for detailed analysis. Users can define this area to focus on particular parts of the image where temperature measurement or monitoring is important. The ROI allows for targeted temperature data collection and processing and often forwards this temperature information to other systems. Regions of Interest are also often referred to as measurement fields in thermal image processing.

An ROI can be of various shapes, including rectangles, circles, polygons, or even free-form areas, depending on the software capabilities and the analysis requirements. Once defined, the software can mark and process the thermal data within this region separately from the rest of the image. The definition of multiple ROIs is particularly useful in applications where multiple areas require closer inspection when hotspots in electrical equipment need to be identified within a certain area, when monitoring critical zones in manufacturing processes, or when assessing specific parts of a structure for thermal anomalies.