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Monitoring data query method and device

A technology of monitoring data and query methods, which is applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., and can solve the problem of low query efficiency

Active Publication Date: 2018-03-06
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The invention provides a monitoring data query method and device to solve the problem of low query efficiency in the prior art

Method used

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  • Monitoring data query method and device
  • Monitoring data query method and device

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Embodiment Construction

[0116] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0117] Embodiments of the present invention provide a monitoring data query method and device to solve the problem of low query efficiency in the prior art. Wherein, the method and the device are based on the same inventive concept, and since the principles of the method and the device to solve problems are similar, the implementation of the device and the method can be referred to each other, and the repetition will not be repeated.

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Abstract

The invention discloses a monitoring data query method and device, and is used for solving the problem of low query efficiency in the prior art. The method comprises the following steps that: on the basis of a first query condition and / or cognitive map sent from a user, determining a second query condition, wherein the second query condition comprises a starting query node and a query area range;searching the cognitive map to obtain the path attribute information of at least one path which meets the second query condition in the cognitive map and the node attribute information of the node inat least one path, wherein the cognitive map comprises the path attribute information corresponding to the path formed by a plurality of nodes, wherein each node is the identification of camera equipment, and the node attribute information corresponding to each node comprises the physical position of the camera equipment; and according to the path attribute information, which is obtained by searching, of at least one path and the node attribute information of the node in at least one path, selecting M pieces of metadata from N pieces of metadata.

Description

technical field [0001] The invention relates to the technical field of monitoring, in particular to a monitoring data query method and device. Background technique [0002] With the construction of safe cities and the popularization of urban surveillance, video surveillance is becoming more and more popular. As the scale of video surveillance continues to grow, resulting in explosive growth of video data. Then when obtaining useful data, it is obviously not feasible to detect and identify through human eyes. Therefore, the video data (raw data) is intelligently processed by electronic equipment to extract useful data. These useful data are mainly the description of the video content, which is called metadata; in the surveillance video, there are mainly cars and people, and a piece of metadata can describe an instance of a car: vehicle color, direction, license plate number, time, location, Camera number, etc., as shown in Table 1; a piece of metadata can also describe an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/7335
Inventor 刘怀达姚骏汪涛
Owner HUAWEI TECH CO LTD
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