About: http://webisa.webdatacommons.org/59724687

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	The original algorithm is now viewed as a two-stage filtering method, including the low-pass filtering noise reduction and least squares filtering for the edge restoration.
http://www.w3.org/ns/prov#wasQuotedFrom	stanford.edu