First, a sequence of several images is saved each time a thermogram is taken. Calculations are performed on this sequence of images, resulting in a higher-resolution image. Everyone experiences natural tremors, or minimal movements, which are captured during the image capture process. Testo thermal imaging cameras utilize this series of captured images, integrating them with an algorithm to create a thermogram that is four times larger in resolution.

Secondly, the improved image quality is based on a detailed understanding of the infrared lens characteristics. This is achieved by optimizing the lens image properties through calculation. For example, this procedure also helped the Hubble Space Telescope to record sharper images.

SuperResolution is not an interpolation method that generates artificial values. All stored readings are real. For example, a 160 x 120 pixel image can be converted to a 320 x 240 pixel image, and a 320 x 240 pixel image can be converted to a 640 x 480 pixel image. The geometric resolution of the image with SuperResolution is increased by a factor of 1.6.
SuperResolution is available for all Testo thermal imaging cameras. For the testo 875, testo 876, testo 881, and testo 882 models already in operation, SuperResolution can be activated via a software update.

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