FIELD: surveillance.
SUBSTANCE: non-contact determination of distance to distant observed objects used to generate images of range maps to surveyed objects. In the device, the authors propose the formation of a map of ranges to observed objects using one matrix photodetector with pulsed dynamic exposure and simultaneous processing of odd and even frames, while each even frame of the image is formed due to pulse exposure corresponding to the value of the selected range of distances to observed objects, and each odd image frame is formed with increasing exposure as the range increases to form an image of a map of ranges to the observed objects, and then the operation of element-by-element division of the video signal amplitude values of the odd frame by the video signal amplitude values of the even frame is performed.
EFFECT: increasing the accuracy of image formation of a map of ranges to surveyed objects.
1 cl, 2 dwg
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