Keywords: 4D-RCS Five levels of the architecture for Demo III..jpg en Five levels of the 4D/RCS architecture for Demo III On the right are Planner and Executor modules In the center are maps for representing terrain features road bridges vehicles friendly/enemy positions and the cost and risk of traversing various regions On the left are Sensory Processing functions symbolic representations of entities and events and segmented images with labeled regions The coordinate transforms in the middle use range information to assign labeled regions in the entity image hierarchy on the left to locations on planning maps on the right This causes the entity class hierarchy on the left to be orthogonal to the BG process hierarchy on the right 4D-RCS A Reference Model Architecture For Unmanned Vehicle Systems Version 2 0 Albus et al National Institute of Standards and Technology Gaithersburg Maryland 20899 2002-08 PD-USGov 4D-RCS Reference Model Architecture |