Try an appropriate PSM, 10, perhaps.

https://tesseract-ocr.googlecode.com/git/doc/tesseract.1.html

On Tuesday, March 17, 2015 at 3:20:24 AM UTC-5, Jason Bush wrote:
>
> Im trying to use tesseract on the Raspberry Pi to recognize single 
> characters.
>
> I have luck with whole sheets but not with single characters and Im not 
> very familiar with the programming.
> Im running 3.0.3
>
> I need the most dumbed down version of how I can improve my single 
> character recognition.
>
> I already make the pics black and white. Ive tried changing the size and 
> quality and nothing works.
>
> Please help
>

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