how to configure openalpr to work with license plate with red/green background?

[Dao Duy Tan]

Hi Matt,

please could you guide me how to configure OpenAlpr to work with LP which have back ground is red/green?


Cheers

[Matt]

Dao,

The background color shouldn't matter.  It's all recognized in grayscale anyway.  The library will pick up dark-on-light text as well as light-on-dark.

What country is this for?

[Dao Duy Tan]

Hi Matt,

thanks very much for your quick reply.

I'm using your OpenAlpr to recognize vietnamese LP, everything go very smooth with 1 line and white background plate.

but I can not use OpenAlpr to recognize the military vehicle LP, which have  red background and white characters.

I have attached an image here, it's gray image.

Please help to have a look.

Thank you very much


Vào 03:09:31 UTC Thứ Bảy, ngày 28 tháng 3 năm 2015, Matt đã viết:

[Matt]

If you build a training dataset for Vietnam, these plates should be recognized.  They don't look enough like the European plates to give you high accuracy.