Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ryoichi Kawada0
Atsushi Koike0
Date of Patent
March 24, 2009
0Patent Application Number
112085420
Date Filed
August 23, 2005
0Patent Primary Examiner
Patent abstract
Picture quality characteristic amounts are extracted with a picture quality characteristic amount extractor and are transmitted to a central monitoring room to monitor a transmitted-picture quality. The picture quality characteristic amount extractor includes a pixel-position interchanger, an orthogonal transformer and a coefficient extractor. The picture quality characteristic amount extrator may further include a PN-series multiplier.
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