TP, I tried with 300 dpi.

On Sunday, January 13, 2013 4:41:24 PM UTC-5, TP wrote:
>
> On Thu, Jan 10, 2013 at 3:09 PM, sunitha raghurajan 
> <[email protected] <javascript:>> wrote: 
> > Yes, this is NH license plate. The first image is with out pre 
> processing 
> > and the second one is after processing through opencv. 
>
> Looking at your tiff it is only 72dpi? Try to make a 300dpi tiff 
> instead for better results. Also avoid the jpg format when doing image 
> processing since it will introduce noise. 
>

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