Multifunctional camera shooting and evidence obtaining device and method capable of achieving target location

A technology of target positioning and target location, which is applied in the field of multi-functional camera forensics devices, can solve the problems of destroying the integrity and validity of the evidence chain and low data reliability, so as to ensure the integrity and validity, accuracy of video information, and simplified The effect of the forensics process

Inactive Publication Date: 2013-12-25
NO 719 RES INST CHINA SHIPBUILDING IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When taking pictures and collecting evidence, the law enforcement ship is usually 1 to 2 nautical miles or even farther away from the target ship. The method of manually recording position information not only has low data reliability, b

Method used

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  • Multifunctional camera shooting and evidence obtaining device and method capable of achieving target location
  • Multifunctional camera shooting and evidence obtaining device and method capable of achieving target location
  • Multifunctional camera shooting and evidence obtaining device and method capable of achieving target location

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no. 1 example

[0032] In this embodiment, the video acquisition unit 14 is a camera 141, and the camera 141 is preferably a medium and long-distance white light camera for capturing analog video signals during the day or under light conditions; the satellite positioning unit 11 is a GPS module 111 for real-time acquisition The WGS84 coordinates of the photographer's local position; the laser axis of the laser ranging module 12 is parallel to the visual axis of the camera, and its ranging range is 3km. The electronic compass 13 is used to obtain the azimuth angle of the target relative to the cameraman in real time; the data processing unit 16 is used to calculate the position coordinates of the monitoring target, and can also perform coordinate conversion operations if necessary, for example, WGS84 coordinates can be converted into BJ54 coordinates; The video processing unit 17 is used to complete video compression coding and superimpose characters indicating position information on the video...

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Abstract

The invention relates to the field of marine camera shooting, evidence obtaining and monitoring, in particular to a multifunctional camera shooting and evidence obtaining device and method capable of achieving target location. The multifunctional camera shooting and evidence obtaining device comprises a data processing unit and a video processing unit, wherein the data processing unit is respectively connected with a satellite locating unit, a laser ranging unit and an electronic compass, the video processing unit is respectively connected with a video collecting unit and the data processing unit, and the video processing unit is further connected with a video storage unit. The method comprises the steps that information collected by the satellite locating unit, the laser ranging unit and the electronic compass are transmitted into the data processing unit, the processed information and video collected by the video collecting unit are both transmitted into the video processing unit, and the processed video information is transmitted into the video storage unit to finish camera shooting and evidence obtaining. The multifunctional camera shooting and evidence obtaining device and method can accurately acquire and record video with target position information and can locate conveniently and accurately.

Description

technical field [0001] The invention relates to the field of photographic evidence collection and monitoring at sea, in particular to a multifunctional photographic evidence collection device and method capable of realizing target positioning. Background technique [0002] The commonly used means of evidence collection by administrative law enforcement departments in the process of law enforcement is video evidence collection. The evidence collection process is easy to operate, and the video evidence obtained is intuitive and informative. In many cases, in addition to recording the illegal behavior process of the surveillance target, video evidence also needs to record the location where the illegal behavior occurred. For example, when the traffic police take photos of illegally parked vehicles, in addition to photographing the illegally parked vehicle itself, it is also necessary to take photos of reference objects such as road signs and landmarks around the illegally parke...

Claims

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Application Information

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IPC IPC(8): H04N7/18H04N5/232H04N5/76
Inventor 朱俊张彦敏彭晓钧刘畅曹晓燕
Owner NO 719 RES INST CHINA SHIPBUILDING IND
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