Abstract: A method of maintaining trailer asset data in a database of a yard is presented, the method including comparing an update time difference for one or more database entries to a predetermined data refresh threshold, wherein the update time difference for a database entry is a difference between a current time and a time the database entry was last updated; commanding an ego vehicle to move a first asset within the yard from a first location to a second location; then later causing the ego vehicle to move the first asset from the first location to the second location via a route that passes by the first associated location; and updating the first database entry with newer data obtained from at least one sensor located on the ego vehicle when the ego vehicle passes by the first associated location.

Abstract: A method of associating at least one asset with a bounded region in a yard is presented, the method including determining a virtual map of the yard including one or more bounded regions, bounded regions of the one or more bounded regions being regions in the yard where the at least one asset may be placed; determining a correspondence between points on the virtual map and coordinates in the yard; receiving an image from an image sensor positioned in the yard, the image including one or more assets; based on a pose of the image sensor, the correspondence, and positions of the one or more bounded regions, determining, the positions of the one or more bounded regions in the image; updating the virtual map to indicate that at least one asset is present within the first bounded region.

Abstract: A method of maintaining trailer asset data in a database of a yard is presented, the method including comparing an update time difference for one or more database entries to a predetermined data refresh threshold, wherein the update time difference for a database entry is a difference between a current time and a time the database entry was last updated; commanding an ego vehicle to move a first asset within the yard from a first location to a second location; then later causing the ego vehicle to move the first asset from the first location to the second location via a route that passes by the first associated location; and updating the first database entry with newer data obtained from at least one sensor located on the ego vehicle when the ego vehicle passes by the first associated location.