Skin Detection and Tracking for Camera-Based Photoplethysmography Using a Bayesian Classifier and Level Set Segmentation. - Alexander Trumpp; Stefan Rasche; Daniel Wedekind; Martin Schmidt 004; Thomas Waldow; Frederik Gaetjen; Katrin Plötze; Hagen Malberg; Klaus Matschke; Sebastian Zaunseder (Bildverarbeitung für die Medizin, 2017)