Home > News > Company News > Less than a license to shoot t.....
Spot Product
Contact us
Jane
Tel:+86 13714507157
QQ:779144199

Bill:
QQ:1254792402

Maggie:
QQ:862595905

Shirley:
QQ:2234505663

Irene:
QQ:1439334916

Shenzhen Tiglon Technology Limited
Add:7F,Building C, Dongcai Runfeng Industrial Zone, Gushu, Xixiang Town, Bao'an District, Shenzhen, China. 
Contact Now
Contact us
Jane
Tel:+86 13714507157
QQ:779144199

Bill:
QQ:1254792402

Maggie:
QQ:862595905

Shirley:
QQ:2234505663

Irene:
QQ:1439334916

Shenzhen Tiglon Technology Limited
Add:7F,Building C, Dongcai Runfeng Industrial Zone, Gushu, Xixiang Town, Bao'an District, Shenzhen, China. Contact Now

News

Less than a license to shoot tachograph mystery

  • Author:U.S.
  • Source:www.tigloncn.com
  • Release on :2014-05-07
Why shoot speed faster than the license plate, but the human eye can see?
We buy tachograph often very concerned about whether the photographed license plates, this false propaganda and more particularly, what causes it, can solve our common look.
If, in a well-lit situations, the general license plates can be photographed. But when the light is relatively poor, it is necessary to increase the exposure time of the camera to capture enough light to form the video image, and often fast-moving car, if the car in the exposure time to move greater distances will cause image blur cause not see the license plate. In addition, the evening light is dim, but the license plate is highly reflective material objects do, it reflects the brightness of the surrounding light intensity than the dark parts of the thousands of times higher than this value exceeds the maximum brightness light-sensitive chip can accept, Licence side makes all the white one.
Why not say that the human eye can see clearly. As mentioned above, there can not be any sensitive chip compared to the human eye. In addition to the light intensity requirements, there is a dynamic range that is generally dynamic range of a camera and then another job in 1200:1-1600:1 called wide dynamic it. The human eye, the dynamic range is also the worst time in 10000: 1 look, even at night can reach 1 million: 1, so the eye can not easily reach the level of light-sensitive chip.
So please do not complain to shoot unclear license plates, not our incompetence, the enemy is too powerful. All loggers can not do it, unless he is special equipment, of course, and not be called a tachograph.