Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 7, 2008
Patent Application Number
10444305
Date Filed
May 23, 2003
Patent Primary Examiner
Patent abstract
An edge emphasizing circuit includes a weighing addition circuit, and the weighing addition circuit performs on the basis of a weighing coefficient applied from a coefficient calculating circuit a weighing addition with respect to raw image data and data obtained by performing a filtering process on the raw image data by a median filter. Then, an aperture signal producing circuit produces an aperture signal on the basis of a result of the weighing addition. The aperture signal is in an adder superimposed on Y data output from a signal processing circuit, whereby an edge component of the Y data is emphasized.
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