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1. (WO2018012830) IMAGE ENCODING/DECODING METHOD AND DEVICE
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Pub. No.: WO/2018/012830 International Application No.: PCT/KR2017/007363
Publication Date: 18.01.2018 International Filing Date: 10.07.2017
IPC:
H04N 19/182 (2014.01) ,H04N 19/159 (2014.01) ,H04N 19/91 (2014.01) ,H04N 19/146 (2014.01) ,H04N 19/44 (2014.01)
[IPC code unknown for H04N 19/182][IPC code unknown for H04N 19/159][IPC code unknown for H04N 19/91][IPC code unknown for H04N 19/146][IPC code unknown for H04N 19/44]
Applicants:
한국전자통신연구원 ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE [KR/KR]; 대전시 유성구 가정로 218 218, Gajeong-ro, Yuseong-gu Daejeon 34129, KR
세종대학교산학협력단 INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY [KR/KR]; 서울시 광진구 능동로 209 209, Neungdong-ro, Gwangjin-gu Seoul 05006, KR
Inventors:
임성창 LIM, Sung Chang; KR
강정원 KANG, Jung Won; KR
고현석 KO, Hyun Suk; KR
이진호 LEE, Jin Ho; KR
전동산 JUN, Dong San; KR
이하현 LEE, Ha Hyun; KR
조승현 CHO, Seung Hyun; KR
김휘용 KIM, Hui Yong; KR
이영렬 LEE, Yung Lyul; KR
최준우 CHOI, Jun Woo; KR
최진수 CHOI, Jin Soo; KR
Agent:
성병기 SUNG, Byung Kee; KR
최윤서 CHOE, Yun Seo; KR
Priority Data:
10-2016-008867013.07.2016KR
Title (EN) IMAGE ENCODING/DECODING METHOD AND DEVICE
(FR) PROCÉDÉ ET DISPOSITIF DE CODAGE/DÉCODAGE D'IMAGE
(KO) 영상 부호화/복호화 방법 및 장치
Abstract:
(EN) The present invention relates to an image encoding/decoding method and device. The image encoding method, according to the present invention, may comprise the steps of: generating a transform block by performing at least one of transformation and quantization; grouping at least one coefficient included in the transform block into at least one coefficient group (CG); scanning at least one coefficient included in the CG; and encoding the at least one coefficient.
(FR) La présente invention concerne un procédé et un dispositif de codage/de décodage d'une image. Selon l'invention, le procédé de codage d'image peut comprendre les étapes suivantes : génération d'un bloc de transformée en effectuant au moins une transformation et une quantification ; regroupement d'au moins un coefficient inclus dans le bloc de transformée en au moins un groupe de coefficients (CG) ; balayage d'au moins un coefficient inclus dans le CG ; et codage du ou des coefficients.
(KO) 본 발명은 영상 부호화/복호화 방법 및 장치에 관한 것이다. 본 발명에 따른 영상 부호화 방법은, 변환 및 양자화 중 적어도 하나를 수행하여 변환 블록을 생성하는 단계, 상기 변환 블록에 포함된 적어도 하나의 계수를 적어도 하나의 계수 그룹(Coefficient Group, CG)으로 그룹핑하는 단계, 상기 계수 그룹에 포함된 적어도 하나의 계수를 스캐닝하는 단계, 및 상기 적어도 하나의 계수를 부호화하는 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, 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)