(19)
(11) EP 2 752 994 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
02.09.2015 Bulletin 2015/36

(45) Mention of the grant of the patent:
29.07.2015 Bulletin 2015/31

(21) Application number: 14162995.6

(22) Date of filing: 16.04.2003
(51) International Patent Classification (IPC): 
H03M 7/40(2006.01)
H04N 19/134(2014.01)
H04N 19/93(2014.01)
H04N 19/60(2014.01)
 H04N 19/13(2014.01)
H04N 19/18(2014.01)
H04N 19/61(2014.01)
H04N 19/14(2014.01)

(54)

Variable length encoding method

Kodierungsverfahren mit variabler Länge

Procédé de codage de longueur variable

(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

(30) Priority: 19.04.2002 JP 2002118483
26.04.2002 JP 2002126029
13.12.2002 JP 2002363106

(43) Date of publication of application:
09.07.2014 Bulletin 2014/28

(62) Application number of the earlier application in accordance with Art. 76 EPC:
10180446.6 / 2343903
09168084.3 / 2117236
08157872.6 / 1965590
06123096.7 / 1744560
03720905.3 / 1424856

(73) Proprietor: Godo Kaisha IP Bridge 1
Tokyo 101-0051 (JP)

(72) Inventors:
  • Kondo, Satoshi
    Osaka, 540-6207 (JP)
  • Kadono, Shinya
    Osaka, 540-6207 (JP)
  • Hagai, Makoto
    Osaka, 540-6207 (JP)
  • Abe, Kiyofumi
    Osaka, 540-6207 (JP)

(74) Representative: Eisenführ Speiser 
Patentanwälte Rechtsanwälte PartGmbB Postfach 10 60 78
28060 Bremen
28060 Bremen (DE)


(56) References cited: : 
EP-A- 0 267 578
EP-A- 0 827 345
US-A- 5 528 628
US-A- 5 995 148
 EP-A- 0 616 471
US-A- 4 541 012
US-A- 5 751 232
   
  • "Information Technology - Coding of moving pictures and associated audio for ditigal storage media at up to about 1,5Mbits/s Part 2", 15 April 1996 (1996-04-15), INTERNATIONAL ORGANISATION FOR STANDARDIZATION ISO/IEC 11172-2, SWITZERLAND 11172, XP002292446, * page 88, paragraph D.6.3.5 - page 93 *
  • HARTUNG F ET AL: "Improved encoding of DCT coefficients for low bit-rate video coding using multiple VLC tables", IMAGE PROCESSING, 1999. ICIP 99. PROCEEDINGS. 1999 INTERNATIONAL CONFERENCE ON KOBE, JAPAN 24-28 OCT. 1999, PISCATAWAY, NJ, USA,IEEE, US, 24 October 1999 (1999-10-24), pages 51-55, XP010368953, ISBN: 0-7803-5467-2
  • JEON B ET AL: "Huffman coding of DCT coefficients using dynamic codeword assignment and adaptive codebook selection", SIGNAL PROCESSING. IMAGE COMMUNICATION, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 12, no. 3, 1 June 1998 (1998-06-01), pages 253-262, XP004122852, ISSN: 0923-5965
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).