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
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[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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