Shinjiro Kawato, Jun Ohya. Real-Time Detection of Nodding and Head-Shaking by Directly Detecting and Tracking the Between-Eyes . In 4th IEEE International Conference on Automatic Face and Gesture Recognition (FG 2000), 26-30 March 2000, Grenoble, France. pages 40-45, IEEE Computer Society, 2000. [doi]
Abstract is missing.