METHOD OF PERSONAL IDENTIFICATION BY DIGITAL FACIAL IMAGE Russian patent published in 2017 - IPC G06K9/78 

FIELD: information technology.

SUBSTANCE: method of personal identification by a digital facial image includes the stages of generating in the visible and infrared light of recognizable facial images identical in size and location in the frame, of determining the coordinates of the eye pupil centers by an IR image, of incorporating a colour image in the reference frame by the determined coordinates of the pupil center, of converting colour images to greyscale ones, and of calculating images of intensity and directions of brightness gradient to form three images of recognizable face, i.e. binary image of the brightness gradient intensity, greyscale image of the gradient directions and pasteurized colour image, the total correspondence of which to the reference images in the database influences the acceptance of identification.

EFFECT: reduction of errors and time of recognizing a person's face image.

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