ENCODING METHOD CONVERSION APPARATUS - MATSUSHITA ELECTRIC IND CO LTD

Title:

ENCODING METHOD CONVERSION APPARATUS

Document Type and Number:

Japanese Patent JP2008205534

Kind Code:

A

Abstract:

To solve a problem that a conventional encoding method conversion apparatus for converting an MPEG stream can not suitably set the strength of an intra-loop deblock filter in a second encoding method.

An encoding method conversion apparatus for converting first encoded data encoded by the first encoding method into second encoded data is provided with: an H.264 decoder 101 for decoding the first encoded data; a deblock filter strength calculation part 103 for calculating the filter strength of a deblock filter in the second encoding method by using any of encoding types other than an encoding type of the first encoded data out of decoded information obtained by decoding the first encoded data; and a deblock filter 104 for reducing noise on a block boundary in accordance with the filter strength calculated by the deblock filter strength calculation part 103.

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Inventors:

TASAKA HIROSHI
SHIGESATO TATSURO
SAIGO KAZUO
OKOSE HIDEYUKI
ARIMURA KOJI
ARAKAWA HIROSHI
MARUYAMA HISAKI

Application Number:

JP2007035877A

Publication Date:

September 04, 2008

Filing Date:

February 16, 2007

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC IND CO LTD

International Classes:

H04N19/50; H04N19/117; H04N19/134; H04N19/136; H04N19/139; H04N19/146; H04N19/157; H04N19/167; H04N19/176; H04N19/196; H04N19/40; H04N19/60; H04N19/86

Domestic Patent References:

JP2003179921A	2003-06-27
JPH07170512A	1995-07-04
JPH1056646A	1998-02-24
JP2005101914A	2005-04-14
JPH11275584A	1999-10-08
JP2007336468A	2007-12-27

Foreign References:

WO2008090793A1

2008-07-31

Attorney, Agent or Firm:

Hiromori Arai

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