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.

Date of Patent:
Sep. 22, 2015

Filed:

May. 09, 2011
Applicants:

Sung-bum Park, Seongnam-si, KR;

Jae-won Yoon, Seoul, KR;

Hae-young Jun, Seoul, KR;

Shin-wook Kang, Hwaseong-si, KR;

Dai-woong Choi, Seoul, KR;

Huai-rong Shao, San Jose, CA (US);

Inventors:

Sung-bum Park, Seongnam-si, KR;

Jae-won Yoon, Seoul, KR;

Hae-young Jun, Seoul, KR;

Shin-wook Kang, Hwaseong-si, KR;

Dai-woong Choi, Seoul, KR;

Huai-rong Shao, San Jose, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 19/182 (2014.01); H04N 19/105 (2014.01); H04N 19/176 (2014.01); H04N 19/593 (2014.01); H04N 19/124 (2014.01); H04N 19/91 (2014.01);
U.S. Cl.
CPC ...
H04N 19/182 (2014.11); H04N 19/105 (2014.11); H04N 19/124 (2014.11); H04N 19/176 (2014.11); H04N 19/593 (2014.11); H04N 19/91 (2014.11);
Abstract

A method and apparatus for processing a video frame is provided. The method includes dividing the video frame into pixel blocks each including a reference pixel; calculating difference values between the reference pixel and pixels neighboring the reference pixel; converting the calculated difference values into values that belong to a bit depth range; and performing entropy coding by using the converted difference values as symbols.


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