Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Marcelo Weinberger0
Sergio Verdu0
Erik Ordentlich0
Gadiel Seroussi0
Giovanni Motta0
Itschak Weissman0
Date of Patent
September 18, 2007
0Patent Application Number
111800660
Date Filed
July 12, 2005
0Patent Primary Examiner
Patent abstract
A discrete, universal denoising method is applied to a noisy signal for which the source alphabet is typically large. The method exploits a priori information regarding expected characteristics of the signal. In particular, using characteristics of a continuous tone image such as continuity and small-scale symmetry allows definition of context classes containing large numbers of image contexts having similar statistical characteristics. Use of the context classes allows extraction of more reliable indications of the characteristic of a clean signal.
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