| Britain is the earliest countries of a video detection system for crime preventionand detection, but video detection in our country starts late, with the development ofscience and technology,video investigation gradually applied to criminal investigation.Such as "Zhou Kehua" series of armed robbery homicide cases successfully detected,of which the key point is to benefit from the application of video detection. But as thevideo detection is widely used in criminal investigation, many problems areconstantly exposed. Based on the analysis to the current problems that exist in thevideo detection, to further improve the basic theory of video detection, especially onhow to scientifically video investigation, how to carry out standardized management,and build a relatively reasonableã€perfect management system and so on were studied.Besides preface and epilogue, this article is divided into five parts altogether.The first part is the basic theory of video detection research. First, clear theconcept of the video detection, because in the current theoretical circle of videodetection without authority or unified definition of the concept, the author follow thepractice department name will use the video image to carry out the investigation ofactivities called "video detection ", and from the main body, content and purpose ofthe three aspects of the concept of video detection define it. Secondly introduces thevideo detection of several characteristics: timeliness, combining dynamic and static,mass of objective authenticity, information of the mass. Again, the author based oncrime will be in a timely manner to carry out the investigation work or not when abrief classification of video investigation, namely active video detection and passivevideo detection. In the last part of the theoretical research of video detection willintroduce briefly in the investigation and trial points: combined with traditionaldetection method, identify, concluded that the criminal suspect, to provideinvestigation clue, indicate their direction, use of video data string and cases, gatherevidence, promote the lawsuit.The second part is about the importance analysis of video detection. At present,the video detection plays an important role in investigation practice, compared totraditional methods of investigation, it has the following several aspects of innovationand development, and has a significant impact on detective work: the video detectionis the traditional pattern of change, video detection is a traditional concept of change, video detection is innovative methods of investigation, video detection is a expansionof traditional thinking.The third part is the actuality analysis of video detection standardization. Thispart mainly discusses from two aspects: first, the video monitoring has anirreplaceable value in the video detection, if there in no video surveillance, videodetection is no foothold, however there are a number of problems with the currentvideo monitoring. The author respectively from video monitoring installation,maintenance, application and related legal system of four angles discusses someproblems in video monitoring, carried on the detailed narration to these problems.Second, there are many problems are due to the current video surveillance system,video detection in investigation practice also has some drawbacks, the author mainlyfrom the video data to collection, analysis, storage, use of the four aspects of videodetection probes into the problems in the practical work.The fourth part is the effective path of video detection standardization. Firstlyexpounds the principles of video detection: timely, comprehensive, careful, objective,legal, necessity principle, the principles of accuracy, special principles. Then putforward the standardization of video detection path, which is mainly in the third partof the video surveillance, video detection issues targeted for standardization in thework.The fifth part is to construct video detection system of work. The author drawlessons from Changsha city public security bureau video detection guide, build aframework of the video detection system to look forward to help the actualinvestigation department of investigation work, mainly from the eight aspects in theconstruction of the framework: the preparatory work, scope, the personnelorganization, video obtaining, data management, watch the video, imageapplications, detection experiments. |