(19)
(11) EP 3 709 653 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:
10.11.2021 Bulletin 2021/45

(45) Mention of the grant of the patent:
22.09.2021 Bulletin 2021/38

(21) Application number: 20169522.8

(22) Date of filing: 30.11.2011
(51) International Patent Classification (IPC): 
H04N 19/70(2014.01)
H04N 19/129(2014.01)
H04N 19/14(2014.01)
H04N 19/436(2014.01)
H03M 7/40(2006.01)
 H04N 19/13(2014.01)
H04N 19/61(2014.01)
H04N 19/18(2014.01)
H03M 7/30(2006.01)
H04N 19/176(2014.01)
(52) Cooperative Patent Classification (CPC):
H04N 19/61; H04N 19/18; H03M 7/4075; H03M 7/4018; H04N 19/14; H04N 19/436; H04N 19/70; H04N 19/129; H04N 19/176; H03M 7/6035; H04N 19/13

(54)

SEPARATELY CODING THE POSITION OF A LAST SIGNIFICANT COEFFICIENT OF A VIDEO BLOCK IN VIDEO CODING

GETRENNTE CODIERUNG DER POSITION EINES LETZTEN BEDEUTENDEN KOEFFIZIENTEN EINES VIDEOBLOCKS IN DER VIDEOCODIERUNG

CODAGE SÉPARÉ DE LA POSITION D'UN DERNIER COEFFICIENT SIGNIFICATIF D'UN BLOC VIDÉO DANS UN CODAGE VIDÉO

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 03.12.2010 US 41974010 P
22.11.2011 US 201113302996

(43) Date of publication of application:
16.09.2020 Bulletin 2020/38

(62) Application number of the earlier application in accordance with Art. 76 EPC:
18196663.1 / 3484161
11801912.4 / 2647203

(73) Proprietor: Qualcomm Incorporated
San Diego, CA 92121 (US)

(72) Inventors:
  • SOLE ROJALS, Joel
    San Diego, CA California 92121 (US)
  • JOSHI, Rajan Laxman
    San Diego, CA California 92121 (US)
  • KARCZEWICZ, Marta
    San Diego, CA California 92121 (US)

(74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB 
Leopoldstraße 4
80802 München
80802 München (DE)


(56) References cited: : 
US-A1- 2003 128 886
   
  • WEI YU ET AL: "Probability Modeling for Encoding Quantized Transform Coefficients", PICTURE CODING SYMPOSIUM, 24 April 2006 (2006-04-24), - 26 April 2006 (2006-04-26), XP030080334,
  • NGUYEN N ET AL: "Multi-level Significant Maps for Large Transform Units", 7. JCT-VC MEETING; 98. MPEG MEETING; 21-11-2011 - 30-11-2011; GENEVA; (JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ); URL: HTTP://WFTP3.ITU.INT/AV-ARCH/JCTVC-SITE/, no. JCTVC-G644, 9 November 2011 (2011-11-09), XP030110628,
  • DAVIES (BBC) T ET AL: "Suggestion for a Test Model", 1. JCT-VC MEETING; 15-4-2010 - 23-4-2010; DRESDEN; (JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16); URL: HTTP://WFTP3.ITU.INT/AV-ARCH/JCTVC-SITE/, no. JCTVC-A033, 7 May 2010 (2010-05-07), XP030007526, ISSN: 0000-0049
  • MARPE D ET AL: "Context-based adaptive binary arithmetic coding in the H.264/AVC video compression standard", IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, vol. 13, no. 7, 1 July 2003 (2003-07-01), pages 620-636, XP011099255, ISSN: 1051-8215, DOI: 10.1109/TCSVT.2003.815173
  • SOLE J ET AL: "Parallel Context Processing for the significance map in high coding efficiency", 4. JCT-VC MEETING; 20-1-2011 - 28-1-2011; DAEGU; (JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16); URL: HTTP://WFTP3.ITU.INT/AV-ARCH/JCTVC-SITE/, no. JCTVC-D262, 16 January 2011 (2011-01-16), XP030008302, ISSN: 0000-0013
  • MIN J ET AL: "Adaptive significance map coding for large transform", 6. JCT-VC MEETING; 14-7-2011 - 22-7-2011; TORINO; (JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ); URL: HTTP://WFTP3.ITU.INT/AV-ARCH/JCTVC-SITE/, no. JCTVC-F598, 16 July 2011 (2011-07-16), XP030009621,
  • SOLE J ET AL: "CE11: Parallel Context Processing for the significance map in high coding efficiency", 96. MPEG MEETING; 21-3-2011 - 25-3-2011; GENEVA; (MOTION PICTURE EXPERT GROUP OR ISO/IEC JTC1/SC29/WG11),, no. m19866, 17 March 2011 (2011-03-17), XP030048433,
  • CHEUNG AUYEUNG ET AL: "Context reduction of the last transform position in JCTVC-D262 for CE11.1", 5. JCT-VC MEETING; 96. MPEG MEETING; 16-3-2011 - 23-3-2011; GENEVA;(JOINT COLLABORATIVE TEAM ON VIDEO CODING OF ISO/IEC JTC1/SC29/WG11AND ITU-T SG.16 ); URL: HTTP://WFTP3.ITU.INT/AV-ARCH/JCTVC-SITE/,, no. JCTVC-E344, 11 March 2011 (2011-03-11) , XP030008850,
   
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).