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<http://webisa.webdatacommons.org/136594619>	<http://www.w3.org/ns/prov#value>	"Gamma correction is a process of correcting the signal strength of the input image data 11 so as to achieve the required density for each tone." .
<http://webisa.webdatacommons.org/prov/220659442>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/136594619> .
<http://webisa.webdatacommons.org/136594619>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .