Temperature correction in super-resolution reconstruction of thermograms

Abstract

Low spatial resolution is a common drawback of thermographic methods in many real life problems. To overcome this disadvantage software improvements are introduced. In the paper super-resolution methods (SR) are described and compared. Two main factors of such approaches are investigated: the first one is increasing of image spatial resolution and quality, while maintaining the temperature accuracy. The second issue is especially crucial, when absolute temperature values are demanded. Several approaches of temperature correction are considered: global, regional and local. Obtained results prove that proposed correction method can assure that absolute temperature values are consistent on the high resolution image.