(12) International Application Status Report

Received at International Bureau: 18 January 2017 (18.01.2017)

Information valid as of: 12 June 2018 (12.06.2018)

Report generated on: 18 April 2019 (18.04.2019)

(10) Publication number: (43) Publication date: (26) Publication language:
WO 2018/12023005 July 2018 (05.07.2018) Chinese (ZH)

(21) Application number: (22) Filing date: (25) Filing language:
PCT/CN2016/11397330 December 2016 (30.12.2016) Chinese (ZH)


(51) International Patent Classification:
H04N 19/86 (2014.01)

(71) Applicant(s):
HUAWEI TECHNOLOGIES CO., LTD. [CN/CN]; Huawei Administration Building Bantian, Longgang District Shenzhen, Guangdong 518129 (CN) (for all designated states)

(72) Inventor(s):
AN, Jicheng; Huawei Administration Building Bantian, Longgang District Shenzhen, Guangdong 518129 (CN)
ZHENG, Jianhua; Huawei Administration Building Bantian, Longgang District Shenzhen, Guangdong 518129 (CN)

(74) Agent(s):
SCIHEAD IP LAW FIRM; Room 1508 Huihua Commercial & Trade Building No. 80, XianLie Zhong Road, Yuexiu District Guangzhou, Guangdong 510070 (CN)

(54) Title (EN): IMAGE FILTERING METHOD, APPARATUS AND DEVICE
(54) Title (FR): PROCÉDÉ, APPAREIL ET DISPOSITIF DE FILTRAGE D'IMAGE
(54) Title (ZH): 图像滤波方法、装置以及设备

(57) Abstract:
(EN): An image filtering method, apparatus and device. The method comprises: obtaining a first index of a brightness pixel block (S1001), the first index indicating a filter type applicable for an image property according to the brightness pixel block; obtaining a second index of a first chrominance pixel block (S1002), the second index indicating a filter type applicable for an image property corresponding to the first chrominance pixel block; filtering the brightness pixel blocks using a filter corresponding to the first index in a filter set (S1004); and filtering first chrominance pixel blocks using a filter corresponding to the second index in the filter set (S1005).
(FR): La présente invention concerne un procédé, un appareil et un dispositif de filtrage d'image. Le procédé consiste à : obtenir un premier indice d'un bloc de pixels de luminosité (S1001), le premier indice indiquant un type de filtre applicable à une propriété d'image en fonction du bloc de pixels de luminosité ; obtenir un deuxième indice d'un premier bloc de pixels de chrominance (S1002), le deuxième indice indiquant un type de filtre applicable à une propriété d'image correspondant au premier bloc de pixels de chrominance ; filtrer les blocs de pixels de luminosité à l'aide d'un filtre correspondant au premier indice dans un ensemble de filtres (S1004) ; et filtrer des premiers blocs de pixels de chrominance à l'aide d'un filtre correspondant au deuxième indice dans l'ensemble de filtres (S1005).
(ZH): 一种图像滤波方法、装置以及设备。所述方法包括:获取亮度像素块的第一索引(S1001),所述第一索引代表所述亮度像素块对应的图像性质所适用的滤波器类型;获取第一色度像素块的第二索引(S1002),所述第二索引代表所述第一色度像素块对应的图像性质所适用的滤波器类型;对所述亮度像素块使用所述第一索引在滤波器集合中对应的滤波器进行滤波(S1004);对所述第一色度像素块使用所述第二索引在所述滤波器集合中对应的滤波器进行所述滤波(S1005)。

International search report:
Received at International Bureau: 08 September 2017 (08.09.2017) [CN]

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, 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
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