NON-VISUAL FEEDBACK OF VISUAL CHANGE IN A METHOD AND A TRACKING DEVICE Russian patent published in 2019 - IPC G06F3/01 G06F3/16 H04N7/18 

FIELD: information technology.

SUBSTANCE: invention relates to a device and a calculation method providing non-visual feedback. Technical result is achieved due to the fact that on the basis of determining that the observer changes the viewing position, a visual change is initiated and the observer is provided with a non-visual feedback indicating the start of the visual change. If changeover cancellation is received within predetermined time interval, visual change is not displayed. If within the time interval the change cancellation input is not received, the visual change is displayed by the display device.

EFFECT: providing non-visual feedback to warn the viewer of the display device that a visual change has been triggered using look-tracking data from the eye-tracking system to determine that the viewer changes the viewing position.

19 cl, 8 dwg