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HDR--An Important Function for High-End Car DVR

  • Author:Chris
  • Source:www.tigloncn.com
  • Release on :2015-07-23

If you ask me the breakthrough technology in car dvr, I must say HDR (High dynamic range) or WDR(Wide dynamic range). So what’s HDR? And what’s it main function?
HDR technology is through multi frame exposure at the same time and the length of exposure to combine two frames into a frame image. The image is a synthesis of shadows and light details. As the above picture shown, video recorded at night is clear with HDR function, while video recorded by car camera without HDR is dim.
According to statistics, the night accident probability is more than 2 times during the day, so car dashcam with bad night vision is useless, without any effect. In addition, when drivers drive on the highway, they often go cross after tunnels where accidents often happen. From the dimly tunnel exit, the lighting is intense change, common vehicle dvr is extremely easy to occur the phenomenon of white light exposure. As a result, you will get white light image with fragments. While CAR DVR with HDR completely eliminate this type of situation.