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Title:
VIDEO SURVEILLANCE SYSTEM AND VIDEO SURVEILLANCE METHOD
Document Type and Number:
WIPO Patent Application WO/2023/281897
Kind Code:
A1
Abstract:
The purpose of the present invention is to detect a specific event even without the presence of a user having expert knowledge. In the present invention, a specific event database 61 stores specific event data extracted from a plurality of feature data indicating the features of a subject appearing in each of plurality of first video data, the specific event data being extracted in accordance with a search query relating to features for searching for desired first video data. A video analysis unit 22 generates analysis result data indicating the features of a subject appearing in second video data. A specific event search unit 71 detects, on the basis of the analysis result data and the specific event data, whether or not a specific event that is a specific surveillance event appears in the second video data.

Inventors:
MORITA KENICHI (JP)
HIROIKE ATSUSHI (JP)
YOSHINAGA TOMOAKI (JP)
ITO YOSHIKI (JP)
Application Number:
PCT/JP2022/018073
Publication Date:
January 12, 2023
Filing Date:
April 18, 2022
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
H04N7/18; G06T7/00; G06T7/20; G08B13/196; G08B25/00
Domestic Patent References:
WO2014050518A12014-04-03
Foreign References:
JP2012078950A2012-04-19
JP2016119627A2016-06-30
Attorney, Agent or Firm:
WILLFORT INTERNATIONAL PATENT FIRM (JP)
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