worldmodel_msgs is a message package to comes with the hector_worldmodel stack. The messages can be used to send percepts from images (worldmodel_msgs/ImagePercept) or other sources (worldmodel_msgs/PosePercept) to the object_tracker node. The tracker publishes model updates as worldmodel_msgs/Object message and latches the whole model state as a worldmodel_msgs/ObjectModel message.
worldmodel_msgs is ...