On 28 July 2010 07:46, caro <[email protected]> wrote:
> I process the training using 32 images per caracter, from two
> different videos.
> I only have digits from 0 to 9 to recognize.
>
> Sometimes, it does not recognize some digits in the video. The OCR
> gives nothing.
> I do not understand how it is possible that I do not have anything. I
> imagine it computes probabilities for each digit to be recognize, and
> give the best as output.
>
> So first question: is it normal that sometimes, I have no output from
> the OCR (while it will recognize nearly the same digit at the next
> frame)?

I can't really say, without seeing the images. If the frame is blurred
- i.e., if tesseract sees nothing that it's reasonably confident is a
character - then yes, this is what you should expect.

> Images are not different, and the digits are quite similar. So it is a
> bit strange that the OCR does not seem stable.
>
> Second question: is it possible to keep the 3 best caracters
> recognized?

I really have no idea what you meant to ask here.

> Then if one is wrong in the word, we can correct it using a priori
> information, and maybe in taking the 2 best caracter found by the OCR?
>
> Thank you for your help,
> Caroline
>
>
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-- 
<Leftmost> jimregan, that's because deep inside you, you are evil.
<Leftmost> Also not-so-deep inside you.

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