22. The system of claim 1 , wherein the activity recognition device is further configured to establish a mapping of a static image from the digital representation into a graph space of at least one of the known activity graphs by mapping image features to nodes of the at least one of the known activity graphs.
22. The system of claim 1 , wherein the activity recognition device is further configured to establish a mapping of a static image from the digital representation into a graph space of at least one of the known activity graphs by mapping image features to nodes of the at least one of the known activity graphs. 23. The system of claim 22 , wherein the activity recognition device is further configured to generate an action prediction based on the mapping and the nodes of the at least one of the known activity graphs.