About: http://webisa.webdatacommons.org/265162811

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In one implementation of a virtual controller for visual displays, a camera or other sensor detects an image of one or more hands against a background.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com