Just be aware that DetectOS also requires a minimum amount of text, from 
experience around 10 words.

On Thursday, December 20, 2012 3:29:33 AM UTC-5, José Luis Rey wrote:
>
> Very thanks for the response,
>
> I want to automatic rotate the pages after scan on ChronoScan, I'm using 
> leptonica, but it only work with medium/high text density, it does not 
> detect orientation in document with few text (like cheks or invoices):
>
> I'm using this functions in leptonica:
>                                         pixOrientDetect
>                                         makeOrientDecision
>
> I'm going to test OSD, like you suggest,
>
> Regards
> Rey
>

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