For increasing of image quality we propose changing the temperature mode in a room where the detection of an object is provided. Using the temperature contrast between various rooms, in which sequentially a person is, one can essentially enhance the observability of an object hidden under clothes during about 5 minutes time interval, at least. We show that it is possible to see banknote (and other objects) concealed on the human body. It means enhancing many times of temperature resolution of IR camera.
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Vyacheslav A. Trofimov, Valentine Yu. Kovalev, Vladislav V. Trofimov, "Efficiency of IR camera using for detection of hidden objects on human body," Proc. SPIE 10661, Thermosense: Thermal Infrared Applications XL, 1066112 (14 May 2018);