Video aided analytical method for criminal investigation and case detection and system

An auxiliary analysis and video analysis technology, applied in the field of video analysis, can solve problems such as blurred video images, difficulty in unified management and utilization of public security business platforms, and difficulty in seeing targets, so as to improve video quality, increase video inspection speed, Effects that enhance power and precision

Active Publication Date: 2010-02-24
BEIJING ZHONGDUN SECURITY TECH DEV +1
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AI Technical Summary

Problems solved by technology

The system also has problems such as camera shake during the recording process, low illumination at night, rainy and foggy weather, etc., which cause the video picture to be blurred, making it difficult to see the target, and the video formats of the video devices produced by different manufacturers are different, so it is difficult to be used in public security services. Defects in implementing unified management and utilization on the platform

Method used

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  • Video aided analytical method for criminal investigation and case detection and system
  • Video aided analytical method for criminal investigation and case detection and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0094] Take a bank robbery case as an example:

[0095] Step 1: After the robbery case occurs, the investigators first establish a case file for the robbery case in the case file management device 10, and the steps for establishing the case file are as follows:

[0096] 1.1: The investigators input case information into the case file management device 10, such as the time and location of the case;

[0097] 1.2: The investigators press the submit button in the case file management device 10, and the case file management device 10 stores the case information into the database;

[0098] Step 2: The investigators collect the case video of the robbery case and import the collected case video, that is, the surveillance video file, into the video library management device 20. The specific steps are as follows:

[0099] 2.1: The investigators select the current case to be processed in the case file management device 10, and the case file management device 10 transmits it to the video...

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Abstract

The invention relates to a video aided analytical method for criminal investigation and case detection and a system; the system comprises a case file management device, a video library management device, a video decoding and playing device, a blur video processing device, a video analysis and target feature extraction device, a video indexing device and a string case combination analysis device; the method comprises the following steps: case files are built; the related video in the case is imported in a computer system, and the videos related with the case are associated with the case by a relational database; the videos related with the case is analyzed intelligently, feature information of an interested target is extracted from the video and is stored; a user inputs indexing conditionson a system interface, so as to comprehensively and intelligently index the videos and search the video clips. The system has the functions of intelligent indexing to the videos, quality improvement and string case-combination analysis, realizes unified management of the case videos and the comprehensive analysis platform, improves the video inspection speed, and enhances the effect and accuracy of fighting against crimes.

Description

technical field [0001] The invention relates to a video auxiliary analysis method and system for criminal investigation and case solving, and belongs to the technical field of video analysis. Background technique [0002] With the popularity of video collection and analysis systems in work and life, the collection and use of video has brought great help to people's work and life, especially in the field of criminal investigation and case detection. Public security personnel have made important contributions to solving the case. As criminal suspects' means of committing crimes become more and more technological and intelligent, new issues have also been raised for criminal investigation and case solving. At present, China's video surveillance market has achieved rapid development under the strong stimulation and pull of factors such as anti-terrorism, "Safe City" projects and accelerated growth in demand for security projects in various places and industries. The video data...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06T7/00H04N7/26H04N19/44
Inventor 陈朝武李晓峰赵炫陈峰
Owner BEIJING ZHONGDUN SECURITY TECH DEV
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