[ LPR ] Red / Green license plate is not recognized - 20150129
Posted: January 29th, 2015, 9:20 pm
Applied to
LPR system
Question
Red / Green license plate is not recognized
Answer
For Red license plate, it is a known issue, which is not recognized so far.
Even replace LPR Cam or tune LPR engine, it does not work due to the IR is red.
Actual Live View
Other LPR Cam with RED IR LED
Geovision GV-Hybird LPR Cam 10R with RED IR LED
For Green license plate, we tested some.
Color is not an issue but the coating material is an important.
Please see two green license plates below.
Only one license plate is clear than the other.
As a result, it is not related to color and it is about the coating on license plate.
In USA, there are many license plates even customized.
We can not guarantee for some special green coating license plates.
LPR system
Question
Red / Green license plate is not recognized
Answer
For Red license plate, it is a known issue, which is not recognized so far.
Even replace LPR Cam or tune LPR engine, it does not work due to the IR is red.
Actual Live View
- 11.png (136.92 KiB) Viewed 2445 times
Other LPR Cam with RED IR LED
- 12.png (42 KiB) Viewed 2445 times
Geovision GV-Hybird LPR Cam 10R with RED IR LED
- 13.png (44.23 KiB) Viewed 2445 times
Color is not an issue but the coating material is an important.
Please see two green license plates below.
- 14.png (379.37 KiB) Viewed 2445 times
As a result, it is not related to color and it is about the coating on license plate.
In USA, there are many license plates even customized.
We can not guarantee for some special green coating license plates.