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Pub. No.: WO/2018/012893 International Application No.: PCT/KR2017/007498
Publication Date: 18.01.2018 International Filing Date: 13.07.2017
H04N 19/124 (2014.01) ,H04N 19/174 (2014.01) ,H04N 19/86 (2014.01)
[IPC code unknown for H04N 19/124][IPC code unknown for H04N 19/174][IPC code unknown for H04N 19/86]
Applicants: SAMSUNG ELECTRONICS CO., LTD.[KR/KR]; 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do 16677, KR
Inventors: PIAO, In-ji; KR
KIM, Chan-yul; KR
Agent: Y.P.LEE, MOCK & PARTNERS; 12F Daelim Acrotel 13, Eonju-ro 30-gil, Gangnam-gu, Seoul 06292, KR
Priority Data:
(KO) 영상을 부호화/복호화 하는 방법 및 그 장치
(EN) Provided are an image decoding method and an image decoding apparatus capable of performing the image decoding method, the image decoding method, according to one embodiment, comprising the steps of: determining, on the basis of image data acquired from a bit stream, a plurality of encoding units included in a current slice, which is one of a plurality of slices included in an image; determining the prediction method performed in the current encoding unit which is one of the plurality of encoding units; determining a quantization parameter in the current encoding unit on the basis of whether the prediction method performed in the current encoding unit is inter-prediction or intra-prediction; and decoding the image by using the determined quantization parameter. According to one embodiment, provided are: an image encoding method, which corresponds to a process opposite to or similar to the image decoding method; and an image encoding apparatus capable of performing the image encoding method.
(FR) L'invention concerne un procédé de décodage d'image, et un appareil de décodage d'image apte à exécuter le procédé de décodage d'image. Le procédé de décodage d'image selon un mode de réalisation de l’invention comprend les étapes consistant à : déterminer, sur la base de données d'image acquises à partir d'un flux binaire, une pluralité d'unités de codage incluses dans une tranche actuelle, qui est l'une d'une pluralité de tranches incluses dans une image ; déterminer le procédé de prédiction exécuté dans l'unité de codage actuelle qui est l'une de la pluralité d'unités de codage ; déterminer un paramètre de quantification dans l'unité de codage actuelle selon que le procédé de prédiction qui est exécuté dans l'unité de codage actuelle est une inter-prédiction ou une intra-prédiction ; et décoder l'image au moyen du paramètre de quantification déterminé. Selon un mode de réalisation, l'invention concerne un procédé de codage d'image correspondant à un processus opposé ou similaire au procédé de décodage d'image, et un appareil de codage d'image apte à exécuter le procédé de codage d'image.
(KO) 일 실시예에 따라 영상을 복호화 하는 방법에 있어서, 비트스트림으로부터 획득된 영상 데이터에 기초하여, 영상에 포함된 복수개의 슬라이스 중 하나인 현재 슬라이스에 포함되는 복수개의 부호화 단위를 결정하는 단계; 복수개의 부호화 단위 중 하나인 현재 부호화 단위에서 수행되는 예측 방법을 결정하는 단계; 현재 부호화 단위에서 수행되는 예측 방법이 인터 예측인지 인트라 예측인지에 기초하여, 현재 부호화 단위의 양자화 파라미터를 결정하는 단계; 및 결정된 양자화 파라미터를 이용하여 영상을 복호화 하는 단계를 포함하는 영상 복호화 방법 및 영상 복호화 방법을 수행할 수 있는 영상 복호화 장치가 제공된다. 일 실시예에 따라 영상 복호화 방법에 반대되거나 유사한 과정에 해당하는 영상 부호화 방법 및 영상 부호화 방법을 수행할 수 있는 영상 부호화 장치가 제공된다.
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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)