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:
Jul. 07, 1998
Filed:
Feb. 09, 1996
Applicant:
Inventors:
Elliot Neil Linzer, Bronx, NY (US);
Roderick Michael West, Colchester, VT (US);
Peter Hans Westerink, Ossining, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ; H04N / ;
U.S. Cl.
CPC ...
348397 ; 348415 ; 348398 ; 348407 ; 382233 ; 382235 ; 382240 ;
Abstract
A method and apparatus are provided for reducing the memory requirements of a decoding subsystem by storing reference frames in compressed form. A reference picture in a sequence is decoded, compressed and stored in memory. When the reference frame is needed for motion compensation, it is decompressed.