About: http://webisa.webdatacommons.org/453928167

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 contrast, we assume that the scene 102 is made up of n distinct layers, where n is a small number and the defocus point spread function (PSF) within each layer is spatially invariant.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com