What is the purpose of trained data files present under tessdata/script folder

[Vikas Goel]

After installing tesseract, there are trained data files present under "C:\Program Files (x86)\Tesseract-OCR\tessdata" as well as "C:\Program Files (x86)\Tesseract-OCR\tessdata\script". As per my uderstanding, tesseract engine uses the files present under "C:\Program Files (x86)\Tesseract-OCR\tessdata". Please confirm and let me know the purpose of trained data files present under "C:\Program Files (x86)\Tesseract-OCR\tessdata\script"

[Shree Devi Kumar]

Files in tessdata are for a particular language eg. Hindi, Sanskrit, Marathi, Nepali.

Files in tessdata/script are for a particular script used for writing the languages eg. Devanagari.

Also note that most script files also include support for English.

So, if you have a document with Hindi+English+Sanskrit you can use Devanagari.traineddata.

In some cases you may find it to be better than the language data,

On Thu, Jul 19, 2018 at 11:59 PM Vikas Goel <goel.vi...@gmail.com> wrote:

After installing tesseract, there are trained data files present under "C:\Program Files (x86)\Tesseract-OCR\tessdata" as well as "C:\Program Files (x86)\Tesseract-OCR\tessdata\script". As per my uderstanding, tesseract engine uses the files present under "C:\Program Files (x86)\Tesseract-OCR\tessdata". Please confirm and let me know the purpose of trained data files present under "C:\Program Files (x86)\Tesseract-OCR\tessdata\script"

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[chandra churh chatterjee]

The traineddata files present under script folder are referenced using the TESSDATA_PREFIX environmemt variable so that while running tesseract.exe from command line, those trained datas can be used using the        "-l" command

For example:

Command-tesseract.exe input out -l eng --oem 1 

This command makes tesseract 4 use the eng.traineddata for evaluation.

Chandra Churh Chatterjee

On Thu, Jul 19, 2018, 11:59 PM Vikas Goel <goel.vi...@gmail.com> wrote:

After installing tesseract, there are trained data files present under "C:\Program Files (x86)\Tesseract-OCR\tessdata" as well as "C:\Program Files (x86)\Tesseract-OCR\tessdata\script". As per my uderstanding, tesseract engine uses the files present under "C:\Program Files (x86)\Tesseract-OCR\tessdata". Please confirm and let me know the purpose of trained data files present under "C:\Program Files (x86)\Tesseract-OCR\tessdata\script"

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[Vikas Goel]

Thanks Shree

[Vikas Goel]

Thanks Chandra. But I think the comand you mentioned is the default command which will use trained data present under tessdata folder, not under tessdata/script folder

[Vikas Goel]

So, if I need to use trained data under script folder, then I need to copy them to tessdata folder or need to specify any specific language code for using these scripts data.

On Friday, July 20, 2018 at 9:32:39 AM UTC+5:30, shree wrote: