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:
Jul. 21, 2020

Filed:

Sep. 08, 2016
Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Eunyong Son, Seoul, KR;

Jin Heo, Seoul, KR;

Seungwook Park, Seoul, KR;

Sehoon Yea, Seoul, KR;

Assignee:

LG Electronics Inc., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/61 (2014.01); H04N 19/105 (2014.01); H04N 19/176 (2014.01); H04N 19/11 (2014.01); H04N 19/44 (2014.01); H04N 19/96 (2014.01); H04N 19/196 (2014.01); H04N 19/182 (2014.01);
U.S. Cl.
CPC ...
H04N 19/61 (2014.11); H04N 19/105 (2014.11); H04N 19/11 (2014.11); H04N 19/176 (2014.11); H04N 19/182 (2014.11); H04N 19/196 (2014.11); H04N 19/44 (2014.11); H04N 19/96 (2014.11);
Abstract

An intra prediction method includes: receiving intra prediction mode information through a bitstream; deriving an intra prediction mode of a current block as a first intra directional mode on the basis of the intra prediction mode information; deriving first neighboring samples of the current block; deriving a reference sample adjacent to a target sample in the current block on the basis of a prediction direction of the first intra directional mode; deriving second neighboring samples of a neighboring block to which the reference sample belongs; determining a modified prediction direction on the basis of a comparison between the reference sample and at least one of the second neighboring samples; and deriving a prediction value for the target sample on the basis of the modified prediction direction and the first neighboring samples.


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