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Patent Searching and Data


Title:
ENCODING METHOD AND DECODING METHOD
Document Type and Number:
Japanese Patent JP2013225912
Kind Code:
A
Abstract:

To enable random access even if a length of GOP is lengthened.

An encoding method includes the steps of: encoding a P picture used as a random accessible access point as an access point P picture on the basis of a previous P picture predicted without using a leading I picture or a B picture in units of video information to which the P picture belongs; and encoding the P picture and the B picture that are predicted as subsequent pictures to the access point P picture on the basis of the access point P picture immediately before or the P picture or the B picture predicted from the access point P picture and do not use pictures before the access point P picture immediately before for prediction.


Inventors:
RYU TOMOAKI
NAKANE KAZUHIKO
SHIMADA MASAAKI
YAMADA ETSUHISA
Application Number:
JP2013134870A
Publication Date:
October 31, 2013
Filing Date:
June 27, 2013
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H04N5/92; G11B20/10; G11B20/12; H04N5/76; H04N5/91; H04N5/93; H04N19/00; H04N19/46; H04N19/50; H04N19/503; H04N19/70
Domestic Patent References:
JPH0845249A1996-02-16
JP2001285877A2001-10-12
JP2004187264A2004-07-02
Attorney, Agent or Firm:
Minoru Maeda
Youichi Yamagata
Masahiko Shinohara