About: http://webisa.webdatacommons.org/120926003

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	It can thus be determined whether a given region above the original is a text region or an image data region based on the black pixel ratio and its variation pattern by conversely utilizing these characteristics of the black pixel ratio.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com