Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kryzstof Antoni Zaklika0
Sergei Nikolacevich Kryukov0
Tatyana Olegovna Semenkova0
Date of Patent
February 21, 2006
0Patent Application Number
098977650
Date Filed
July 2, 2001
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method of reducing artifacts in an image previously processed by block transform encoding may comprise the steps of:determining block boundaries;determining an approximate metric of artifact visibility;optionally interpolating across block boundaries;adaptively filtering luminance;optionally adaptively filtering chrominance;adaptively adjusting local saturation variation; andadaptively simulating high spatial frequency image detail;wherein the adaptive steps are executed to an extent or in an amount depending on the metric or standard or measurement of artifact visibility.
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