Fig. 4: Eye-machine interaction by eye command input.
From: Frequency-encoded eye tracking smart contact lens for human–machine interaction
a Schematic illustration of eye-machine interaction and specific signals of eye commands. Adapted under terms of the CC-BY license. Copyright 2024, Canino3d, Sketchfab, Inc67. b Raw signals and eye command input when playing the game Gluttonous Snake. Different background colors (blue, green, yellow, and gray) indicate the snake’s moving directions (up, down, left, and right). c Trace of the eye-controlled snake. d Raw signals and eye command input when interacting with webpages. Different background colors (green, blue, gray, and yellow) indicate multiple eye commands (down, left, right, and closure). e Eye-controlled webpages. f Photographs of the eye movement head model and eye-controlled PTZ camera. g Different regions of Vincent van Gogh’s artwork The Starry Night photographed by the camera.
