Title:
METHOD AND APPARATUS FOR PROCESSING A VIDEO SIGNAL
Document Type and Number:
WIPO Patent Application WO/2011/093688
Kind Code:
A2
Abstract:
The present invention relates to a method and apparatus for processing a video signal. The method for processing a video signal according to one embodiment of the present invention comprises the following steps: acquiring scaled motion vector information for a block to be decoded; acquiring a global motion vector of a peripheral picture; restoring the scaled motion vector into an original motion vector using the global motion vector of the peripheral picture; and decoding the block to be decoded, using the restored original motion vector. According to a variety of embodiments of the present invention, image encoding and decoding can be performed in an efficient manner. For example, distortions caused by a blurring phenomenon can be prevented, and distortions caused by an accelerating motion occurred in the whole or a portion of an image can be prevented. In addition, block partitions suitable for characteristics of an image can be realized. Particularly, block partitions using a curve can be realized, thereby enabling motion prediction to be performed with consideration for all characteristics of an image. In addition, a search area having a variable size is set in proportion to a time and a distance, thereby preventing distortions in a direct prediction mode.
Inventors:
PARK SEUNG WOOK (KR)
JEON YONG JOON (KR)
KIM JUNG SUN (KR)
CHOI YOUNG HEE (KR)
SUNG JAE WON (KR)
JEON BYEONG MOON (KR)
PARK JOON YOUNG (KR)
JEON YONG JOON (KR)
KIM JUNG SUN (KR)
CHOI YOUNG HEE (KR)
SUNG JAE WON (KR)
JEON BYEONG MOON (KR)
PARK JOON YOUNG (KR)
Application Number:
PCT/KR2011/000729
Publication Date:
August 04, 2011
Filing Date:
February 01, 2011
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
PARK SEUNG WOOK (KR)
JEON YONG JOON (KR)
KIM JUNG SUN (KR)
CHOI YOUNG HEE (KR)
SUNG JAE WON (KR)
JEON BYEONG MOON (KR)
PARK JOON YOUNG (KR)
LIM JAE HYUN (KR)
PARK SEUNG WOOK (KR)
JEON YONG JOON (KR)
KIM JUNG SUN (KR)
CHOI YOUNG HEE (KR)
SUNG JAE WON (KR)
JEON BYEONG MOON (KR)
PARK JOON YOUNG (KR)
LIM JAE HYUN (KR)
International Classes:
H04N7/26
Foreign References:
| KR20090086610A | 2009-08-13 | |||
| KR20060046113A | 2006-05-17 | |||
| KR20030058873A | 2003-07-07 | |||
| KR20080041742A | 2008-05-13 |
Attorney, Agent or Firm:
KIM, Yong In et al. (KR)
김용인 (KR)
김용인 (KR)
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Claims:
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