Crowd Density Estimation for Public Transport Vehicles.
Marcus HandteMuhammad Umer IqbalStephan WagnerWolfgang ApolinarskiPedro José MarrónEva María Muñoz NavarroSantiago MartinezSara Izquierdo BarthelemyMario González FernándezPublished in: EDBT/ICDT Workshops (2014)