I would just resize the image to three different sizes and check them all.
The main thing is binarization and deblurring.
--Sven

On Wednesday, August 15, 2012, Håkan M wrote:

>
> Thank you for the information sventech,
>
> Unfortunately the idea would be to automate the processing of images with
> totally random content so the process seems not to work very well in this
> case?
>
> br, Håkan
>
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