I still fail to understand why Tesseract performs so poorly. Isn’t it made 
for OCR in screenshots? Doesn’t it understand Russian at all?

On Monday, November 2, 2020 at 5:45:41 PM UTC+1 d-ka wrote:

> Well, that’d require much additional logic because the general layout 
> entails quite a diverse segmentation.
>
> The main question is, why Tesseract obviously has severe trouble with 
> clear Russian, no-noise PNGs—and what could be done about it.
>
> On Thursday, October 8, 2020 at 7:08:28 AM UTC+2 shree wrote:
>
>> Give each region of interest separately.
>>
>>
>> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
>>  Virus-free. 
>> www.avg.com 
>> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
>>  
>> <#m_-4931165716036561972_m_-7139881135647065081_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>>
>> On Wed, Oct 7, 2020 at 6:01 PM 'd-ka' via tesseract-ocr <
>> tesser...@googlegroups.com> wrote:
>>
>>>
>>> I’d like to process Duolingo screenshots with Tesseract, in order to 
>>> have exercises worth reiterating in a searchable form (i.e. a text file). 
>>> However, it just yields gibberish:
>>>
>>> > tesseract.exe img.jpg img.jpg -l rus+eng --tessdata-dir "\tessdata"
>>>
>>> [image: FXjEk.png]
>>>
>>> Э 20:22
>>> 51МАВО\М/
>>> Тгапз(а{е {15 5еп{епсе
>>> Апу диес00п5
>>> Уоч аге согтес& |"
>>> СОМТИМЧЕ
>>> Ч 4
>>>
>>>
>>>    - For my inherent neural network, it’s easy to resolve: clear 
>>>    contrasts, easy font, no scanning artifacts.
>>>    - It doesn’t read the actual Russian part at all (Вопросы есть?), 
>>>    yet I don’t find the font weight too light or thin.
>>>    - No luck with greyscale or increased contrast, or by varations of 
>>>    rus+eng.
>>>    - I assume that it’s implicitly UTF-8 
>>>    
>>> <https://stackoverflow.com/questions/9976592/tesseract-does-not-recognize-russian>
>>>  
>>>    and that I already have appropriate trained data 
>>>    
>>> <https://stackoverflow.com/questions/63431711/easily-readable-text-not-recognized-by-tesseract>
>>>    .
>>>    - What could help Tesseract to properly parse this seemingly easy 
>>>    imagery?
>>>
>>> Thanks so much!
>>>
>>> -- 
>>> 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 tesseract-oc...@googlegroups.com.
>>> To view this discussion on the web visit 
>>> https://groups.google.com/d/msgid/tesseract-ocr/4978d94a-ec7d-4bce-b8be-cd58576d4ab2n%40googlegroups.com
>>>  
>>> <https://groups.google.com/d/msgid/tesseract-ocr/4978d94a-ec7d-4bce-b8be-cd58576d4ab2n%40googlegroups.com?utm_medium=email&utm_source=footer>
>>> .
>>>
>>
>>
>> -- 
>>
>> ____________________________________________________________
>> भजन - कीर्तन - आरती @ http://bhajans.ramparivar.com
>>
>

-- 
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 tesseract-ocr+unsubscr...@googlegroups.com.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/tesseract-ocr/18aaa2c8-a580-4932-9cc9-8659fe27a1a0n%40googlegroups.com.

Reply via email to