Title:
METHOD FOR ENCODING IMAGE, METHOD FOR DECODING IMAGE, IMAGE ENCODER, AND IMAGE DECODER
Document Type and Number:
WIPO Patent Application WO/2013/058583
Kind Code:
A1
Abstract:
The present invention relates to a technique for encoding and decoding an image, and a method for encoding the image, according to the present invention, comprises the steps of: performing a prediction with respect to a current block; and transforming a residual which is generated by the prediction, wherein in the step of transforming, a first transform is performed on the residual, and then a second transform is performed on a lower frequency area, and wherein a mode of the second transform can be decided on the basis of a mode of the first transform.
Inventors:
LEE BAE KEUN (KR)
KWON JAE CHEOL (KR)
KWON JAE CHEOL (KR)
Application Number:
PCT/KR2012/008563
Publication Date:
April 25, 2013
Filing Date:
October 18, 2012
Export Citation:
Assignee:
KT CORP (KR)
International Classes:
H04N7/30; H04N7/50
Foreign References:
| KR20110014839A | 2011-02-14 | |||
| JP2009224854A | 2009-10-01 | |||
| KR20110116025A | 2011-10-24 | |||
| JP2003143551A | 2003-05-16 |
Attorney, Agent or Firm:
S&IP PATENT & LAW FIRM (KR)
에스앤아이피 특허법인 (KR)
에스앤아이피 특허법인 (KR)
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Claims: