(19)
(11) EP 4 508 840 A1

(12)

(43) Date of publication:
19.02.2025 Bulletin 2025/08

(21) Application number: 23719128.3

(22) Date of filing: 22.03.2023
(51) International Patent Classification (IPC): 
H04N 19/11(2014.01)
H04N 19/503(2014.01)
H04N 19/186(2014.01)
H04N 19/593(2014.01)
(52) Cooperative Patent Classification (CPC):
H04N 19/593; H04N 19/186; H04N 19/503; H04N 19/11
(86) International application number:
PCT/US2023/015912
(87) International publication number:
WO 2023/200560 (19.10.2023 Gazette 2023/42)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 13.04.2022 US 202263362939 P
21.03.2023 US 202318187517

(71) Applicant: QUALCOMM INCORPORATED
San Diego, California 92121-1714 (US)

(72) Inventors:
  • CHANG, Yao-Jen
    San Diego, California 92121-1714 (US)
  • CAO, Keming
    San Diego, California 92121-1714 (US)
  • RAY, Bappaditya
    San Diego, California 92121-1714 (US)
  • SEREGIN, Vadim
    San Diego, California 92121-1714 (US)
  • KARCZEWICZ, Marta
    San Diego, California 92121-1714 (US)

(74) Representative: Reddie & Grose LLP 
The White Chapel Building 10 Whitechapel High Street
London E1 8QS
London E1 8QS (GB)

   


(54) INTRA CHROMA MODE LIST CONSTRUCTION FOR VIDEO CODING