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Extract from the Register of European Patents

EP About this file: EP2797321

EP2797321 - CONTEXT SELECTION FOR ENTROPY CODING OF TRANSFORM COEFFICIENTS [Right-click to bookmark this link]
Former [2014/44]METHOD FOR ENCODING IMAGE, IMAGE-ENCODING DEVICE, METHOD FOR DECODING IMAGE, IMAGE-DECODING DEVICE, AND IMAGE ENCODING/DECODING DEVICE
[2020/17]
StatusNo opposition filed within time limit
Status updated on  24.12.2021
Database last updated on 28.05.2024
FormerThe patent has been granted
Status updated on  15.01.2021
FormerGrant of patent is intended
Status updated on  21.10.2020
FormerExamination is in progress
Status updated on  18.09.2020
FormerGrant of patent is intended
Status updated on  17.05.2020
FormerExamination is in progress
Status updated on  07.04.2017
Most recent event   Tooltip27.04.2024Lapse of the patent in a contracting state
New state(s): MK		published on 29.05.2024 [2024/22]
Applicant(s)For all designated states
Sun Patent Trust
450 Lexington Avenue, 38th Floor
New York, NY 10017 / US
[2021/07]
Former [2016/33]For all designated states
Sun Patent Trust
450 Lexington Avenue, 38th Floor
New York NY 10017 / US
Former [2014/44]For all designated states
Panasonic Intellectual Property Corporation of America
20000 Mariner Avenue, Suite 200
Torrance, CA 90503 / US
Inventor(s)01 / TERADA, Kengo
c/o Panasonic Corporation
Intellectual Property Center IP Development Group
7F Twin 21 OBP Panasonic Tower
2-1-61, Shiromi, Chuo-ku
Osaka 540-6207 / JP
02 / NISHI, Takahiro
c/o Panasonic Corporation
Intellectual Property Center IP Development Group
7F Twin 21 OBP Panasonic Tower
2-1-61, Shiromi, Chuo-ku
Osaka 540-6207 / JP
03 / SHIBAHARA, Youji
c/o Panasonic Corporation
Intellectual Property Center IP Development Group
7F Twin 21 OBP Panasonic Tower
2-1-61, Shiromi, Chuo-ku
Osaka 540-6207 / JP
04 / TANIKAWA, Kyoko
c/o Panasonic Corporation
Intellectual Property Center IP Development Group
7F Twin 21 OBP Panasonic Tower
2-1-61, Shiromi, Chuo-ku
Osaka 540-6207 / JP
05 / SASAI, Hisao
c/o Panasonic Corporation
Intellectual Property Center IP Development Group
7F Twin 21 OBP Panasonic Tower
2-1-61, Shiromi, Chuo-ku
Osaka 540-6207 / JP
06 / SUGIO, Toshiyasu
c/o Panasonic Corporation
Intellectual Property Center IP Development Group
7F Twin 21 OBP Panasonic Tower
2-1-61, Shiromi, Chuo-ku
Osaka 540-6207 / JP
07 / MATSUNOBU, Toru
c/o Panasonic Corporation
Intellectual Property Center IP Development Group
7F Twin 21 OBP Panasonic Tower
2-1-61, Shiromi, Chuo-ku
Osaka 540-6207 / JP
 [2014/44]
Representative(s)Grünecker Patent- und Rechtsanwälte PartG mbB
Leopoldstraße 4
80802 München / DE
[2021/07]
Former [2014/44]Grünecker, Kinkeldey, Stockmair & Schwanhäusser
Leopoldstrasse 4
80802 München / DE
Application number, filing date12860389.119.12.2012
[2021/07]
WO2012JP08131
Priority number, dateUS201161578448P21.12.2011         Original published format: US 201161578448 P
[2014/44]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2013094199
Date:27.06.2013
Language:JA
[2013/26]
Type: A1 Application with search report 
No.:EP2797321
Date:29.10.2014
Language:EN
[2014/44]
Type: B1 Patent specification 
No.:EP2797321
Date:17.02.2021
Language:EN
[2021/07]
Search report(s)International search report - published on:JP27.06.2013
(Supplementary) European search report - dispatched on:EP28.05.2015
ClassificationIPC:H04N19/13, H04N19/18, H04N19/70
[2020/17]
CPC:
H04N19/13 (EP,CN,KR,US); H04N19/537 (RU); H04N19/70 (EP,CN,US);
H04N19/44 (US); H04N19/167 (US); H04N19/176 (US);
H04N19/18 (EP,CN,US); H04N19/573 (RU); H04N19/587 (RU);
H04N19/593 (RU); H04N19/60 (US); H04N19/61 (EP,CN,RU,US);
H04N19/90 (US); H04N19/91 (US) (-)
Former IPC [2015/26]H04N19/13, H04N19/18
Former IPC [2014/44]H04N7/26
Designated contracting statesAL,   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 [2014/44]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:KONTEXTAUSWAHL FÜR DIE ENTROPIEKODIERUNG VON TRANSFORMKOEFFIZIENTEN[2020/17]
English:CONTEXT SELECTION FOR ENTROPY CODING OF TRANSFORM COEFFICIENTS[2020/17]
French:SÉLECTION DE CONTEXTE POUR LE CODAGE ENTROPIQUE DE COEFFICIENTS DE TRANSFORMATION[2020/17]
Former [2014/44]BILDKODIERUNGSVERFAHREN, BILDKODIERUNGSVORRICHTUNG, BILDDEKODIERUNGSVERFAHREN, BILDDEKODIERUNGSVORRICHTUNG UND BILDKODIERUNGS-/DEKODIERUNGSVORRICHTUNG
Former [2014/44]METHOD FOR ENCODING IMAGE, IMAGE-ENCODING DEVICE, METHOD FOR DECODING IMAGE, IMAGE-DECODING DEVICE, AND IMAGE ENCODING/DECODING DEVICE
Former [2014/44]PROCÉDÉ DE CODAGE D'UNE IMAGE, DISPOSITIF DE CODAGE D'IMAGE, PROCÉDÉ DE DÉCODAGE D'UNE IMAGE, DISPOSITIF DE DÉCODAGE D'IMAGE ET DISPOSITIF DE CODAGE/DÉCODAGE D'IMAGE
Entry into regional phase25.07.2013Translation filed 
25.07.2013National basic fee paid 
25.07.2013Search fee paid 
21.07.2014Designation fee(s) paid 
21.07.2014Examination fee paid 
Examination procedure21.07.2014Examination requested  [2014/44]
20.10.2015Amendment by applicant (claims and/or description)
11.04.2017Despatch of a communication from the examining division (Time limit: M04)
17.08.2017Reply to a communication from the examining division
08.05.2018Despatch of a communication from the examining division (Time limit: M06)
19.10.2018Reply to a communication from the examining division
02.05.2019Despatch of a communication from the examining division (Time limit: M04)
10.09.2019Reply to a communication from the examining division
18.05.2020Communication of intention to grant the patent
18.09.2020Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
22.10.2020Communication of intention to grant the patent
11.01.2021Fee for grant paid
11.01.2021Fee for publishing/printing paid
11.01.2021Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  11.04.2017
Opposition(s)18.11.2021No opposition filed within time limit [2022/04]
Fees paidRenewal fee
23.12.2014Renewal fee patent year 03
22.12.2015Renewal fee patent year 04
23.12.2016Renewal fee patent year 05
21.12.2017Renewal fee patent year 06
19.12.2018Renewal fee patent year 07
23.12.2019Renewal fee patent year 08
24.12.2020Renewal fee patent year 09
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Lapses during opposition  TooltipHU19.12.2012
AL17.02.2021
AT17.02.2021
CY17.02.2021
CZ17.02.2021
DK17.02.2021
EE17.02.2021
FI17.02.2021
HR17.02.2021
LT17.02.2021
LV17.02.2021
MC17.02.2021
MK17.02.2021
RO17.02.2021
RS17.02.2021
SE17.02.2021
SI17.02.2021
SK17.02.2021
SM17.02.2021
BG17.05.2021
NO17.05.2021
GR18.05.2021
IS17.06.2021
PT17.06.2021
[2024/22]
Former [2023/27]HU19.12.2012
AL17.02.2021
AT17.02.2021
CY17.02.2021
CZ17.02.2021
DK17.02.2021
EE17.02.2021
FI17.02.2021
HR17.02.2021
LT17.02.2021
LV17.02.2021
MC17.02.2021
RO17.02.2021
RS17.02.2021
SE17.02.2021
SI17.02.2021
SK17.02.2021
SM17.02.2021
BG17.05.2021
NO17.05.2021
GR18.05.2021
IS17.06.2021
PT17.06.2021
Former [2023/24]AL17.02.2021
AT17.02.2021
CY17.02.2021
CZ17.02.2021
DK17.02.2021
EE17.02.2021
FI17.02.2021
HR17.02.2021
LT17.02.2021
LV17.02.2021
MC17.02.2021
RO17.02.2021
RS17.02.2021
SE17.02.2021
SI17.02.2021
SK17.02.2021
SM17.02.2021
BG17.05.2021
NO17.05.2021
GR18.05.2021
IS17.06.2021
PT17.06.2021
Former [2022/33]AL17.02.2021
AT17.02.2021
CZ17.02.2021
DK17.02.2021
EE17.02.2021
FI17.02.2021
HR17.02.2021
LT17.02.2021
LV17.02.2021
MC17.02.2021
RO17.02.2021
RS17.02.2021
SE17.02.2021
SI17.02.2021
SK17.02.2021
SM17.02.2021
BG17.05.2021
NO17.05.2021
GR18.05.2021
IS17.06.2021
PT17.06.2021
Former [2022/23]AL17.02.2021
AT17.02.2021
CZ17.02.2021
DK17.02.2021
EE17.02.2021
FI17.02.2021
HR17.02.2021
LT17.02.2021
LV17.02.2021
RO17.02.2021
RS17.02.2021
SE17.02.2021
SI17.02.2021
SK17.02.2021
SM17.02.2021
BG17.05.2021
NO17.05.2021
GR18.05.2021
IS17.06.2021
PT17.06.2021
Former [2022/13]AL17.02.2021
AT17.02.2021
CZ17.02.2021
DK17.02.2021
EE17.02.2021
FI17.02.2021
HR17.02.2021
LT17.02.2021
LV17.02.2021
RO17.02.2021
RS17.02.2021
SE17.02.2021
SI17.02.2021
SK17.02.2021
SM17.02.2021
BG17.05.2021
NO17.05.2021
GR18.05.2021
PT17.06.2021
Former [2022/10]AL17.02.2021
AT17.02.2021
CZ17.02.2021
DK17.02.2021
EE17.02.2021
FI17.02.2021
HR17.02.2021
LT17.02.2021
LV17.02.2021
RO17.02.2021
RS17.02.2021
SE17.02.2021
SK17.02.2021
SM17.02.2021
BG17.05.2021
NO17.05.2021
GR18.05.2021
PT17.06.2021
Former [2022/07]AL17.02.2021
AT17.02.2021
CZ17.02.2021
DK17.02.2021
EE17.02.2021
FI17.02.2021
HR17.02.2021
LT17.02.2021
LV17.02.2021
RO17.02.2021
RS17.02.2021
SE17.02.2021
SK17.02.2021
SM17.02.2021
BG17.05.2021
NO17.05.2021
GR18.05.2021
IS17.06.2021
PT17.06.2021
Former [2021/50]AT17.02.2021
CZ17.02.2021
DK17.02.2021
EE17.02.2021
FI17.02.2021
HR17.02.2021
LT17.02.2021
LV17.02.2021
RO17.02.2021
RS17.02.2021
SE17.02.2021
SK17.02.2021
SM17.02.2021
BG17.05.2021
NO17.05.2021
GR18.05.2021
IS17.06.2021
PT17.06.2021
Former [2021/49]AT17.02.2021
CZ17.02.2021
DK17.02.2021
EE17.02.2021
FI17.02.2021
HR17.02.2021
LT17.02.2021
LV17.02.2021
RS17.02.2021
SE17.02.2021
SM17.02.2021
BG17.05.2021
NO17.05.2021
GR18.05.2021
IS17.06.2021
PT17.06.2021
Former [2021/48]AT17.02.2021
CZ17.02.2021
EE17.02.2021
FI17.02.2021
HR17.02.2021
LT17.02.2021
LV17.02.2021
RS17.02.2021
SE17.02.2021
SM17.02.2021
BG17.05.2021
NO17.05.2021
GR18.05.2021
IS17.06.2021
PT17.06.2021
Former [2021/46]AT17.02.2021
FI17.02.2021
HR17.02.2021
LT17.02.2021
LV17.02.2021
RS17.02.2021
SE17.02.2021
SM17.02.2021
BG17.05.2021
NO17.05.2021
GR18.05.2021
IS17.06.2021
PT17.06.2021
Former [2021/42]FI17.02.2021
HR17.02.2021
LT17.02.2021
LV17.02.2021
RS17.02.2021
SE17.02.2021
BG17.05.2021
NO17.05.2021
GR18.05.2021
IS17.06.2021
PT17.06.2021
Former [2021/38]FI17.02.2021
HR17.02.2021
LT17.02.2021
LV17.02.2021
RS17.02.2021
SE17.02.2021
BG17.05.2021
NO17.05.2021
GR18.05.2021
PT17.06.2021
Former [2021/37]FI17.02.2021
HR17.02.2021
LT17.02.2021
LV17.02.2021
RS17.02.2021
BG17.05.2021
NO17.05.2021
GR18.05.2021
PT17.06.2021
Former [2021/36]FI17.02.2021
HR17.02.2021
LT17.02.2021
BG17.05.2021
NO17.05.2021
GR18.05.2021
PT17.06.2021
Former [2021/35]FI17.02.2021
HR17.02.2021
LT17.02.2021
NO17.05.2021
PT17.06.2021
Former [2021/33]FI17.02.2021
LT17.02.2021
NO17.05.2021
PT17.06.2021
Documents cited:Search[IY]  - THOMAS WIEGAND ET AL, "WD3: Working Draft 3 of High-Efficiency Video Coding - _D7", JOINT COLLABORATIVE TEAM ON VIDEO CODING (JCT-VC) OF ITU-T SG16 WP3 AND ISO/IEC JTC1/SC29/WG11 5TH MEETING, (20110615), vol. JCTVC-E607_d7, XP055146641 [I] 1-4,6-13,15-19 * Section 9.3.3.1.1.4 "Derivation process of ctxIdxInc for the syntax element significant_coeff_flag" * * Section 0.6 "Overview of the design characteristics" * * Section 7.3.9 "Transform coefficient syntax" * [Y] 5,14
 [Y]  - SOLE J ET AL, "Non-CE11: Diagonal sub-block scan for HE residual coding", 98. MPEG MEETING; 28-11-2011 - 2-12-2011; GENEVA; (MOTION PICTURE EXPERT GROUP OR ISO/IEC JTC1/SC29/WG11),, (20111126), vol. 5, 14, no. m21885, XP030050448 [Y] 5,14 * Section 9.3.3.1.1.4 "Derivation process of ctxIdxInc for the syntax element significant_coeff_flag" *
International search[A]  - SHIH-TA HSIANG ET AL., "Non-CEll: Context reduction for coding transform coefficients", JOINT COLLABORATIVE TEAM ON VIDEO CODING (JCT-VC) OF ITU-T SG16 WP3 AND ISO/IEC JTC1/SC29/WG11 7TH MEETING, GENEVA, CH, (20111121), XP030050575
 [A]  - JOEL SOLE ET AL., "Non- CE11: Diagonal sub-block scan for HE residual coding", JOINT COLLABORATIVE TEAM ON VIDEO CODING (JCT-VC) OF ITU-T SG16 WP3 AND ISO/IEC JTC1/SC29/WG11 7TH MEETING, GENEVA, CH, (20111121), XP030050448
 [XP]  - TZU-DER CHUANG ET AL., "Non-CE11 . Block- based significance map context selection", JOINT COLLABORATIVE TEAM ON VIDEO CODING (JCT- VC) OF ITU-T SG16 WP3 AND ISO/IEC JTC1/SC29/ WG11 8TH MEETING, SAN JOSE, CA, USA, (20120201), XP030051685
by applicant   - JOINT COLLABORATIVE TEAM ON VIDEO CODING (JCT-VC) OF ITU-T SG16 WP3 AND ISO/IEC JTC1/SC29/WG11, (20110714), URL: phenix.it-sudparis.eu/jct/doc_end_user/documents/6_Torino/ wg11/JCTVC-F803-v2.zip
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.