Does running tesseract training exhaustive on the .box and .tif files, 
helps in the recognition accuracy increase?

On Wednesday, March 2, 2016 at 4:23:44 AM UTC-3, Roger wrote:
>
> I am training tesseract to recognize CMC7 font, following this 
> <http://michaeljaylissner.com/posts/2012/02/11/adding-new-fonts-to-tesseract-3-ocr-engine/>
>  and this 
> <https://github.com/tesseract-ocr/tesseract/wiki/TrainingTesseract>
>  tutorial.
>
>
> I have made a .tif file with 2621 characters, and created the .box file, 
> going into every character to make sure the X and Y positions are correct 
> (the rectangle around the character).
>
>
> After that, I have run the command to train tesseract:
>
>
> tesseract por.cmc7.exp0.tif por.cmc7.box nobatch box.train .stderr
>
>
> I've made a shell script that calls this command in a loop, so the 
> training wil be repeated a bunch of times. However, after a bunch of:
>
> APLY_BOXES: Unlabelled word at :Bounding box=(762,2763)->(783,2776)
>
> APPLY_BOXES: Unlabelled word at :Bounding box=(774,2269)->(783,2277)
>
> APPLY_BOXES: Unlabelled word at :Bounding box=(787,2269)->(789,2277) ...
>
>  
>
> The result is always:
>
> Found 420 good blobs.
>
> 2129 remaining unlabelled words deleted.
>
> Generated training data for 420 words
>
> It is running for several hours, and still it generated training data for 
> only 420 words. And after I run tesseract on a check image to test it will 
> recognize the characters, it doesn't work (doesn't recognize the characters 
> and return random letters and symbols).
>
>
> How can I make it recognize all the characters in the .tif image?
>
>
> Thank you.
>
> I have attached the .box and .tif in the zip file.
>

-- 
You received this message because you are subscribed to the Google Groups 
"tesseract-ocr" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To post to this group, send email to [email protected].
Visit this group at https://groups.google.com/group/tesseract-ocr.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/tesseract-ocr/263d85dd-9835-4e8d-be70-153deea948c8%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to