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What is Car DVR’S WDR?

  • Author:Erik
  • Source:www.tigloncn.com
  • Release on :2015-08-20
For most owners, the Car DVR has become necessary, to face a lot of products available in the market owners have really made difficult. Recently, often it can be seen that the various brands of logger WDR technology will sell their products as technical points. So what exactly is the Car DVR’s WDR wide dynamic technology?
Mentioned Car DVR WDR wide dynamic technology, we might as well look at the needs of owners who purchase motive recorder: record the driving process. To ensure that a complete record of the entire driving process is non-destructive, of course, to the day and night are capable of performing. This is the driving force behind the Car DVR WDR wide dynamic technological development.
   As with all video recording devices, as the Car DVR is selected by exposing a number of points the subject of color, restore the image by a specific algorithm. This involves a problem of exposure control. Because non-intelligence, then the exposure can only be judged according to the ambient light, the sun is too strong will overexposed night will be underexposed. As a result almost certainly, if not particularly suitable light, so the recorded image will be very low quality.
WDR Car DVR wide dynamic technology is the change that is too low picture quality problems caused by the light source. It is through the color temperature of the monitor, so that all the light sources within a controllable range after the second exposure, and then the resulting picture coincide, so that the light source requires a lot of shot is reduced, which is able to capture more clear Night picture. For those who prefer traveling by car owners, development and application of this technology, so that they can easily record night picture, no longer need to worry about driving at night, loss of beauty.
So in general use WDR WDR Car DVR, night vision is very good, but also very good suppression of glare and reflection backlight, enhanced picture clarity.