Page 1 of 1
Which RecognitionRegionType of OCR?
Posted: Wed Jul 10, 2019 6:57 am
by wittaya@Wac
Hi, Alex
Which "Vintasoft.Imaging.Ocr.RecognitionRegionType" I have to use because I found problem about OCR Thai language.
This is image file
p.s. I use Thai & English language for OCR
Best Regard
Wittaya WAC
Re: Which RecognitionRegionType of OCR?
Posted: Wed Jul 10, 2019 11:57 am
by Alex
Hi Wittaya,
For understanding your problem we need to reproduce your problem on our side. Please send us (to
support@vintasoft.com) a small working application, which allows to reproduce your problem.
Best regards, Alexander
Re: Which RecognitionRegionType of OCR?
Posted: Thu Jul 11, 2019 6:53 am
by wittaya@Wac
Hi, Alex
I fixed out myself by re-download tessdata for eng and tha,
its work now, but ocr with Thai and English correct around 70% both.
Best Regard
Wittaya WAC
Re: Which RecognitionRegionType of OCR?
Posted: Thu Jul 11, 2019 12:03 pm
by Alex
Hi Wittaya,
its work now, but ocr with Thai and English correct around 70% both.
What resolution do your document images have? Tesseract OCR provides good text recognition results if document image has resolution 300 dpi or higher.
Best regards, Alexander
Re: Which RecognitionRegionType of OCR?
Posted: Thu Jul 11, 2019 12:57 pm
by wittaya@Wac
Hi, Alex
I use 200 dpi.
Best Regard
Wittaya WAC
Re: Which RecognitionRegionType of OCR?
Posted: Thu Jul 11, 2019 2:08 pm
by Alex
wittaya@Wac wrote: ↑Thu Jul 11, 2019 12:57 pm
I use 200 dpi.
Increase image resolution and I think you will have better OCR results.
Best regards, Alexander