An intelligent extraction method and system for key security target mining
A target and key technology, applied in the field of key security target discovery methods and systems for intelligent extraction, can solve the problems of staying, retrograde or hindering others, vehicles hitting other vehicles or objects, etc., to improve the accuracy and calculation accuracy.
Active Publication Date: 2021-05-25
重庆特斯联智慧科技股份有限公司
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Problems solved by technology
[0004] However, the existing intelligent video analysis technology can only determine the target as a key security after a certain person or vehicle target performs abnormal behavior (such as someone stranded in a crowd, retrograde or obstructing others, a vehicle hitting other vehicles or objects). target, there is a large lag
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[0067] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
[0068] refer to figure 1 As shown, an intelligently extracted key security target discovery method provided by an embodiment of the present invention includes: steps S101-S104;
[0069] S101. Acquire a current target, and extract action features and / or track features of the current target.
[0070] If the current target is a character, such as figure 2 As shown, determine the human figure image area of the person in the video ...
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The invention discloses a method and system for intelligently extracting key security targets. The method includes: acquiring the current target, and extracting the action features and / or track features of the current target; Describe the positional relationship between the current target and the surrounding targets, and determine the environmental characteristics of the current target; analyze the general characteristics of the target in a normal state under the environmental characteristics similar to the environmental characteristics of the current target through big data statistics; compare and judge the The degree of difference between the action characteristics and / or trajectory characteristics of the current target and the general characteristics and / or behavior trajectory characteristics of the normal state target is selected as the key security target. This method can realize the predictive excavation and extraction of key security targets, and can give an early warning when the target starts to implement abnormal behavior.
Description
technical field [0001] The invention relates to the field of target recognition, in particular to a method and system for digging key security targets through intelligent extraction. Background technique [0002] At present, most public places are equipped with security monitors, which are used to shoot video images facing crowds or traffic flows. The management side in the background can identify and analyze these video images to determine whether there are key security targets worthy of attention. [0003] Identifying key security targets by observing people with the naked eye is labor-intensive, with high error and omission rates, and has been gradually replaced by intelligent video analysis technology. [0004] However, the existing intelligent video analysis technology can only determine the target as a key security after a person or vehicle target performs abnormal behaviors (such as people stranded in the crowd, retrograde or obstructing others, vehicles hitting other...
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IPC IPC(8): G06K9/46G06K9/62G06T7/246G06T7/73
CPCG06T7/246G06T7/73G06T2207/10016G06T2207/20081G06T2207/30196G06T2207/30248G06V10/462G06V2201/07G06F18/2411G06F18/214
Inventor 朱艳华寇京珅
Owner 重庆特斯联智慧科技股份有限公司