Robust and Computationally Efficient Face Detection Using Gaussian Derivative Features of Higher Orders. - John A. Ruiz-Hernandez; James L. Crowley; Claudine Combe; Augustin Lux; Matti Pietikäinen (ECCV Workshops (3), 2012)

Starting engagement detection towards a companion robot using multimodal features. - Dominique Vaufreydaz; Wafa Johal; Claudine Combe (Robotics Auton. Syst., 2016)