We have covered the iCub humanoid robot a lot here in the past. With this Cartesian 6-DoF Gaze Controller, the robot can maintain eye contact with a 3D object as it moves. The robot can also achieve head stabilization and maintain its gaze when disturbed.
More like this ➡️ here
A Cartesian 6-DoF Gaze Controller for Humanoid Robots
The above video shows this Gaze Controller in action. More information is available here.
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