2010/8/1 ZIA <[email protected]>

> Thanks Andre for finding the font. I will see how can i use that. As
> you suggested using coreldraw, i don't have this software, i will try
> to see if i can use some other software like MS word.
>

You are welcome.
Things will be very hard with MS Word. Try better to get Corel or something
like it.


> I was asking how to extract license plate from image. What I am doing,
> i get the image, re-sized, convert to binary image and then run the
> sobel edge filter. So now i have an image that shows me the rectangle
> part of LP clearly, and I know the ration of height to width is 1 to
> 2. I just need to scan the image and look for rectangle and calculate
> their ration, to get the correct LP from image, or is there any other
> more efficient way. I hope this clear things, if not, I will send you
> the image as input image and after edge filter image.
>
> Sobel filter can be just for preprocessing. It doesn't give you any
identification on the graphic objects. I thought that you already resolved
that part.

A good algorithm for finding the plate is a very hard thing to do, I'm
working on mine from several years ago.

If you don't need it for commercial purposes (in terms of speed, accuracy,
light conditions, etc.) here you have the source code of what you need. It's
in C# (if I remember correctly, you work in C#), and it uses Tesseract. The
whole project is a single file of 173 lines and it works.

http://www.emgu.com/wiki/index.php/License_Plate_Recognition_in_CSharp

What's your situation ?


Zia
>
> On Jul 31, 9:10 pm, Andres <[email protected]> wrote:
> > > Anyway, any of you have any idea, about scanning image and getting the
> > >> LP (image was filtered using edge filter, i can see the rectangle box
> > >> of LP, just need to figure out, how to scan and how to extract. The
> > >> ratio of CA LP is 1 to 2, or 6 to 12 inches (height=6, width=12)
> >
> > >> I'm not sure about being understanding completelly.  Could you extend
> a
> >
> > little ?
>
> --
> You received this message because you are subscribed to the Google Groups
> "tesseract-ocr" group.
> To post to this group, send email to [email protected].
> To unsubscribe from this group, send email to
> [email protected]<tesseract-ocr%[email protected]>
> .
> For more options, visit this group at
> http://groups.google.com/group/tesseract-ocr?hl=en.
>
>

-- 
You received this message because you are subscribed to the Google Groups 
"tesseract-ocr" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to 
[email protected].
For more options, visit this group at 
http://groups.google.com/group/tesseract-ocr?hl=en.

Reply via email to