Abstract
The paper proposes one of the methods of dynamic infrared image cognition based on the Fourier cosinusoidal transform of dynamic images. Previously, we have proposed a method of cognizing the color dynamic images based on Fourier cosinusoidal transform. In the present paper, we apply our previously proposed method to the infrared dynamic images in order to identify the behavior of each of the persons without any lighting condition. As a result, it is revealed that a fairly good cognition rate over 90% could be obtained.