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:
Nov. 09, 2010
Filed:
Sep. 09, 2008
Masashi Kawakami, Kawasaki, JP;
Masashi Kawakami, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An entropy encoding apparatus comprises: a binarization unit configured to convert an input syntax element into binarized data; a context calculation unit configured to generate a context index; a context memory unit configured to hold context information; and an arithmetic coding unit configured to perform arithmetic coding using context information output corresponding to the generated context index, and the binarized data, is provided. The context memory unit comprises: a storage unit, an initial value generation unit configured to generate an initial value of context information, a control unit configured to output a control signal specifying which to select between the initial value and the context information which corresponds to the generated context index, a selection unit configured to select either of the initial value or the context information which corresponds to the generated context index, an updating unit configured to generate updated context information.