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1. (WO2019009620) IMAGE PROCESSING METHOD ON BASIS OF INTRA PREDICTION MODE AND APPARATUS THEREFOR
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Pub. No.: WO/2019/009620 International Application No.: PCT/KR2018/007585
Publication Date: 10.01.2019 International Filing Date: 04.07.2018
IPC:
H04N 19/11 (2014.01) ,H04N 19/132 (2014.01) ,H04N 19/105 (2014.01) ,H04N 19/59 (2014.01) ,H04N 19/176 (2014.01)
[IPC code unknown for H04N 19/11][IPC code unknown for H04N 19/132][IPC code unknown for H04N 19/105][IPC code unknown for H04N 19/59][IPC code unknown for H04N 19/176]
Applicants:
엘지전자 주식회사 LG ELECTRONICS INC. [KR/KR]; 서울시 영등포구 여의대로 128 128, Yeoui-daero, Yeongdeungpo-gu, Seoul 07336, KR
Inventors:
허진 HEO, Jin; KR
이령 LI, Ling; KR
Agent:
특허법인 로얄 ROYAL PATENT & LAW OFFICE; 서울시 서초구 반포대로 104 서일빌딩 4층 FL. 4 SEOIL Bldg., 104, Banpo-daero, Seocho-gu, Seoul 06648, KR
Priority Data:
62/528,44404.07.2017US
Title (EN) IMAGE PROCESSING METHOD ON BASIS OF INTRA PREDICTION MODE AND APPARATUS THEREFOR
(FR) PROCÉDÉ DE TRAITEMENT D'IMAGE BASÉ SUR UN MODE DE PRÉDICTION INTRA ET APPAREIL ASSOCIÉ
(KO) 인트라 예측 모드 기반 영상 처리 방법 및 이를 위한 장치
Abstract:
(EN) The present invention provides an image processing method on the basis of an intra prediction mode and an apparatus therefor. Specifically, a method for processing an image on the basis of an intra prediction mode may comprise the steps of: inducing an intra prediction mode of a current block; generating a lower right end reference sample adjacent to a lower right side of the current block; generating a right side reference sample or lower side reference sample by using the lower right end reference sample; generating a first prediction sample and a second prediction sample of a current sample in the current block on the basis of a prediction direction of the intra prediction mode; and interpolating the first prediction sample and the second prediction sample so as to generate a final prediction sample of the current sample.
(FR) L'invention concerne un procédé de traitement d'image basé sur un mode de prédiction intra et un appareil associé. Spécifiquement, un procédé de traitement d'une image sur la base d'un mode de prédiction intra peut comprendre les étapes consistant à : induire un mode de prédiction intra d'un bloc actuel; générer un échantillon de référence d'extrémité droite inférieure adjacent à un côté droit inférieur du bloc courant; générer un échantillon de référence côté droit ou un échantillon de référence côté inférieur en utilisant l'échantillon de référence d'extrémité droite inférieure; générer un premier échantillon de prédiction et un second échantillon de prédiction d'un échantillon actuel dans le bloc actuel sur la base d'une direction de prédiction dans le mode de prédiction intra; et interpoler le premier échantillon de prédiction et le second échantillon de prédiction de façon à générer un échantillon de prédiction final de l'échantillon actuel.
(KO) 본 발명에서는 인트라 예측 모드 기반 영상 처리 방법 및 이를 위한 장치가 개시된다. 구체적으로, 인트라 예측(intra prediction) 모드 기반으로 영상을 처리하는 방법에 있어서, 현재 블록의 인트라 예측 모드를 유도하는 단계; 상기 현재 블록의 우하측에 인접한 우하단 참조 샘플을 생성하는 단계; 상기 우하단 참조 샘플을 이용하여 우측 참조 샘플 또는 하측 참조 샘플을 생성하는 단계; 상기 인트라 예측 모드의 예측 방향에 기초하여 상기 현재 블록 내 현재 샘플의 제1 예측 샘플 및 제2 예측 샘플을 생성하는 단계; 및 상기 제1 예측 샘플 및 상기 제2 예측 샘플을 보간하여 상기 현재 샘플의 최종 예측 샘플을 생성하는 단계를 포함할 수 있다.
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Designated States: 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)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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)
Publication Language: Korean (KO)
Filing Language: Korean (KO)