HYDROïD Humanoid Robot Head with Perception and Emotion Capabilities: Modeling, Design, and Experimental Results. - Samer Alfayad; Mohamad El Asswad; A. Abdellatif; Fethi Ben Ouezdou; Arnaud J. Blanchard; Nils Beaussé; Philippe Gaussier (Frontiers Robotics AI, 2016)