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Which RecognitionRegionType of OCR?


Which RecognitionRegionType of OCR?

Post 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?

Post 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?

Post 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?

Post 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?

Post by wittaya@Wac »

Hi, Alex

I use 200 dpi.

Best Regard
Wittaya WAC

Re: Which RecognitionRegionType of OCR?

Post by Alex »

I use 200 dpi.
Increase image resolution and I think you will have better OCR results.

Best regards, Alexander


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