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EP 4 548 196 A1

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(43) Date of publication: 07.05.2025 Bulletin 2025/19 (21) Application number: 23861854.0 (22) Date of filing: 21.03.2023

(51) International Patent Classification (IPC):  G06F 8/35(2018.01) (52) Cooperative Patent Classification (CPC): G06N 20/00; G06Q 10/103; G06Q 10/06313; G06Q 10/06315; G06Q 10/067 (86) International application number: PCT/CN2023/082782 (87) International publication number: WO 2024/051146 (14.03.2024 Gazette 2024/11)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 07.09.2022 CN 202211091774 (71) Applicant: Zhejiang Dahua Technology Co., Ltd Hangzhou, Zhejiang 310053 (CN)	(72) Inventors: YIN, Jun Hangzhou, Zhejiang 310053 (CN) WU, Li Hangzhou, Zhejiang 310053 (CN) ZHOU, Xiangming Hangzhou, Zhejiang 310053 (CN) HUANG, Peng Hangzhou, Zhejiang 310053 (CN) ZHANG, Hailin Hangzhou, Zhejiang 310053 (CN) (74) Representative: Wang, Bo  Panovision IP Ebersberger Straße 3 85570 Markt Schwaben 85570 Markt Schwaben (DE) (56) References cited: :