The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 24, 2000
Filed:
Aug. 19, 1999
Applicant:
Inventor:
Bing-Bing Chai, Plainsboro, NJ (US);
Assignees:
Sarnoff Corporation, Princeton, NJ (US);
Sharp Kabushiki, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
382240 ;
Abstract
An apparatus and a method for concealing errors in a hierarchical subband coding/decoding system. Specifically, error concealment of a corrupted or missing coefficient is achieved by using uncorrupted coefficient(s) or a window of coefficients corresponding to the same spatial location from other subbands.