Title:
MONITORING VIDEO SYNCHRONIZATION METHOD AND VIDEO CAMERA
Document Type and Number:
WIPO Patent Application WO/2019/033956
Kind Code:
A1
Abstract:
Provided are a monitoring video synchronization method and a video camera. The method is applied to a processor of a video camera, and the video camera further comprises a video collection unit. The method comprises: acquiring time difference information by means of a network time protocol (NTP), and correcting, according to the time difference information, a system time of a processor; adjusting a time step of the processor to be the same as a pre-set standard time step; and after the system time of the processor is corrected and the time step of the processor is adjusted, when the system time of the processor reaches a designated collection time, sending, to a video collection unit, a collection instruction indicating the starting of monitoring video collection. This embodiment can improve the synchronization of monitoring video collection of video cameras to the greatest possible extent.
Inventors:
LV SHENGWEI (CN)
Application Number:
PCT/CN2018/099184
Publication Date:
February 21, 2019
Filing Date:
August 07, 2018
Export Citation:
Assignee:
HANGZHOU HIKVISION DIGITAL TEC (CN)
International Classes:
H04N9/09
Domestic Patent References:
| WO2017082077A1 | 2017-05-18 |
Foreign References:
| CN101014136A | 2007-08-08 | |||
| CN102223484A | 2011-10-19 |
Attorney, Agent or Firm:
PATENTSINO IP FIRM (CN)
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