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.:

US 8315304 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 20, 2012

Filed:

Mar. 04, 2009
Applicants:

Bae-keun Lee, Bucheon-si, KR;

Jianle Chen, Suwon-si, KR;

Inventors:

Bae-keun Lee, Bucheon-si, KR;

Jianle Chen, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/12 (2006.01); H04B 1/66 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of encoding transform coefficients and a transform coefficient encoding apparatus, and a method of decoding transform coefficients and a transform coefficient decoding apparatus are provided. The method of encoding the transform coefficients includes reading transform coefficients in a current block, determining whether a first transform coefficient having an absolute value greater than a predetermined threshold value exists in the transform coefficients in the current block, generating first flag information indicating whether the first transform coefficient exists, dividing the first transform coefficient from information of a second transform coefficient that is remaining transform coefficients excluding the first transform coefficient, and encoding the first transform coefficients and the second transform coefficients separately, thereby more efficiently using a correlation between each of the transform coefficients.


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Lee, Bae-keun. (2012). Method and apparatus for encoding and decoding transform coefficients (U.S. Patent No. 8315304). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8315304

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