Method for rapidly retrieving motional trajectory of interested video target

Abstract

The invention relates to a method for rapidly retrieving a motional trajectory of an interested video target. The method comprises the following steps: (1) integrating massive videos, and correlating geospatial information; (2) converting heterogeneous data to generate a video stream with a unified format for video viewing; (3) presetting a topological camera relationship table in a database, traversing all cameras shooting the target; (4) editing and recording elements of video pictures of all the cameras shooting the target, and storing the elements in the database; (5) according to the recorded elements, splicing the videos of the whole motional trajectory of the interested target according to the time sequence; forming a motional trajectory route of the target on a GIS map according to the time sequence; (6) outputting a video route graph of the motional trajectory of the target with the same format so as to facilitate archiving and later viewing. By the method, the target can be found rapidly and the spatial motional trajectory of the target can be intuitively acquired, so that the retrieving efficiency is improved, and the viewing time is saved.

Description

technical field

[0001] The invention relates to a method for quickly retrieving the movement track of a video attention target. When the target moves continuously in a certain monitoring area, the movement track of the focus target can be directly grasped by viewing several camera videos at the same time, which belongs to the field of video monitoring. Background technique

[0002] With the continuous development of systems such as "Safe City" and "Smart City", video surveillance has been applied on a large scale, accumulating massive video data resources, providing effective resources for relevant departments to find targets of concern, and playing an important role in maintaining public safety. To a certain effect. However, when it is necessary to grasp the trajectory of a target of interest, how to quickly find the actual spatial trajectory of the target of interest in massive video data resources has become a huge challenge for the video surveillance industry. Due to th...

Examples

Embodiment Construction

[0020] The method for quickly retrieving the motion trajectory of video attention objects of the present invention mainly includes four parts: heterogeneous access of massive video data, video topology nine-square grid review, element editing record, and spatio-temporal analysis of target motion trajectory. In addition, in order to ensure the effective implementation of the algorithm, it is necessary to store the location information of cameras of different monitoring networks and their associated video data information in the database, and the topological relationship between each camera and other cameras must be maintained in the database, combined with geographic information in the database. The camera at the corresponding location is displayed on the map, which realizes the effective combination of video resources and geographic information.

[0021] The heterogeneous access of massive video data provides the basic resources for algorithm implementation. It obtains informat...

technical field

[0001] The invention relates to a method for quickly retrieving the movement track of a video attention target. When the target moves continuously in a certain monitoring area, the movement track of the focus target can be directly grasped by viewing several camera videos at the same time, which belongs to the field of video monitoring. Background technique

[0002] With the continuous development of systems such as "Safe City" and "Smart City", video surveillance has been applied on a large scale, accumulating massive video data resources, providing effective resources for relevant departments to find targets of concern, and playing an important role in maintaining public safety. To a certain effect. However, when it is necessary to grasp the trajectory of a target of interest, how to quickly find the actual spatial trajectory of the target of interest in massive video data resources has become a huge challenge for the video surveillance industry. Due to th...

Examples

Embodiment Construction

[0020] The method for quickly retrieving the motion trajectory of video attention objects of the present invention mainly includes four parts: heterogeneous access of massive video data, video topology nine-square grid review, element editing record, and spatio-temporal analysis of target motion trajectory. In addition, in order to ensure the effective implementation of the algorithm, it is necessary to store the location information of cameras of different monitoring networks and their associated video data information in the database, and the topological relationship between each camera and other cameras must be maintained in the database, combined with geographic information in the database. The camera at the corresponding location is displayed on the map, which realizes the effective combination of video resources and geographic information.

[0021] The heterogeneous access of massive video data provides the basic resources for algorithm implementation. It obtains informat...

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