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1. (WO2019050385) METHOD AND APPARATUS FOR ENTROPY ENCODING AND DECODING VIDEO SIGNAL
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Veröff.-Nr.: WO/2019/050385 Internationale Anmeldenummer PCT/KR2018/013489
Veröffentlichungsdatum: 14.03.2019 Internationales Anmeldedatum: 07.11.2018
IPC:
H04N 19/13 (2014.01) ,H04N 19/70 (2014.01) ,H04N 19/176 (2014.01) ,H04N 19/139 (2014.01)
[IPC code unknown for H04N 19/13][IPC code unknown for H04N 19/70][IPC code unknown for H04N 19/176][IPC code unknown for H04N 19/139]
Anmelder:
엘지전자 주식회사 LG ELECTRONICS INC. [KR/KR]; 서울시 영등포구 여의대로 128 128, Yeoui-daero, Yeongdeungpo-gu, Seoul 07336, KR
Erfinder:
이재호 LEE, Jaeho; KR
Vertreter:
특허법인 로얄 ROYAL PATENT & LAW OFFICE; 서울시 서초구 반포대로 104 서일빌딩 4층 FL. 4 SEOIL Bldg., 104, Banpo-daero, Seocho-gu, Seoul 06648, KR
Prioritätsdaten:
62/555,05307.09.2017US
62/646,89122.03.2018US
Titel (EN) METHOD AND APPARATUS FOR ENTROPY ENCODING AND DECODING VIDEO SIGNAL
(FR) PROCÉDÉ ET APPAREIL DE CODAGE ET DE DÉCODAGE ENTROPIQUES DE SIGNAL VIDÉO
(KO) 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치
Zusammenfassung:
(EN) The present invention relates to a method for performing entropy decoding on a video signal including a current block. The method comprises the steps of: deriving affine coding information and/or affine prediction mode information of a left block and/or an upper block which are adjacent to the current block; determining a context index of a syntax element associated with an affine prediction of the current block on the basis of at least one of the affine coding information and/or the affine prediction mode information of the left block and/or the upper block; and entropy decoding the syntax element associated with the affine prediction of the current block on the basis of the context index.
(FR) L'invention concerne un procédé permettant de réaliser un décodage entropique sur un signal vidéo comprenant un bloc actuel. Le procédé consiste à : dériver des informations de codage affine et/ou des informations de mode de prédiction affine d'un bloc gauche et/ou d'un bloc supérieur qui sont adjacents au bloc actuel ; déterminer un indice contextuel d'un élément de syntaxe associé à une prédiction affine du bloc actuel d'après les informations de codage affine et/ou les informations de mode de prédiction affine du bloc gauche et/ou du bloc supérieur ; et décoder par entropie l'élément de syntaxe associé à la prédiction affine du bloc actuel d'après l'indice contextuel.
(KO) 본 발명은, 현재 블록을 포함하는 비디오 신호에 대해 엔트로피 디코딩을 수행하는 방법에 있어서, 상기 현재 블록에 이웃하는 좌측 블록 및/또는 상측 블록의 어파인 코딩 정보 및/또는 어파인 예측 모드 정보를 유도하는 단계; 상기 좌측 블록 및/또는 상기 상측 블록의 어파인 코딩 정보 및/또는 어파인 예측 모드 정보 중 적어도 하나에 기초하여 상기 현재 블록의 어파인 예측 관련 신택스 요소의 컨텍스트 인덱스를 결정하는 단계; 및 상기 컨텍스트 인덱스에 기초하여, 상기 현재 블록의 어파인 예측 관련 신택스 요소를 엔트로피 디코딩하는 단계를 포함하는 방법을 제공한다.
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Designierte Staaten: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasische Patentorganisation (AM, AZ, BY, KG, KZ, RU, TJ, TM)
Europäisches Patentamt (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Veröffentlichungssprache: Koreanisch (KO)
Anmeldesprache: Koreanisch (KO)