(12) International Application Status Report

Received at International Bureau: 27 March 2020 (27.03.2020)

Information valid as of: 08 September 2020 (08.09.2020)

Report generated on: 21 January 2021 (21.01.2021)

(10) Publication number: (43) Publication date: (26) Publication language:
WO 2020/20441408 October 2020 (08.10.2020) Korean (KO)

(21) Application number: (22) Filing date: (25) Filing language:
PCT/KR2020/00377419 March 2020 (19.03.2020) Korean (KO)

(31) Priority number(s): (32) Priority date(s): (33) Priority status:
62/829,019 (US)03 April 2019 (03.04.2019) Priority document received (in compliance with PCT Rule 17.1)

(51) International Patent Classification:
H04N 19/117 (2014.01); H04N 19/82 (2014.01); H04N 19/132 (2014.01); H04N 19/70 (2014.01); H04N 19/184 (2014.01)

(71) Applicant(s):
LG ELECTRONICS INC. [KR/KR]; 128, Yeoui-daero, Yeongdeungpo-gu Seoul 07336 (KR) (for all designated states)

(72) Inventor(s):
PALURI, Seethal; IP Center, LG Electronics Inc. 19, Yangjae-daero 11-gil Seocho-gu Seoul 06772 (KR)
KIM, Seunghwan; IP Center, LG Electronics Inc. 19, Yangjae-daero 11-gil Seocho-gu Seoul 06772 (KR)
LIM, Jaehyun; IP Center, LG Electronics Inc. 19, Yangjae-daero 11-gil Seocho-gu Seoul 06772 (KR)
ZHAO, Jie; IP Center, LG Electronics Inc. 19, Yangjae-daero 11-gil Seocho-gu Seoul 06772 (KR)

(74) Agent(s):
ENVISION PATENT & LAW FIRM; 8F, 16, Teheran-ro 70-gil Gangnam-gu Seoul 06193 (KR)

(54) Title (EN): VIDEO OR IMAGE CODING USING ADAPTIVE LOOP FILTER
(54) Title (FR): CODAGE VIDÉO OU D'IMAGE À L'AIDE D'UN FILTRE À BOUCLE ADAPTATIF
(54) Title (KO): 적응적 루프 필터를 사용하는 비디오 또는 영상 코딩

(57) Abstract:
(EN): According to the disclosure of the present document, it is possible to reduce the data amount of additional information and increase coding efficiency through hierarchical signaling of information related to in-loop filtering or reshaping.
(FR): Selon la divulgation du présent document, il est possible de réduire la quantité de données d'informations supplémentaires et d'augmenter l'efficacité de codage par la signalisation hiérarchique d'informations relatives à un remodelage ou un filtrage en boucle.
(KO): 본 문서의 개시에 따르면, 인루프 필터링 또는 리셰이핑 관련 정보의 계층적 시그널링을 통하여 부가 정보의 데이터량을 줄이고, 코딩 효율을 높일 수 있다.

International search report:
Received at International Bureau: 01 July 2020 (01.07.2020) [KR]

International Report on Patentability (IPRP) Chapter II of the PCT:
Not available

(81) 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, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, WS, ZA, ZM, ZW
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 (OAPI) : BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG
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 Organization (EAPO) : AM, AZ, BY, KG, KZ, RU, TJ, TM