Telugu OCR (For Linux)

Drishti OCR

• Installation Instructions:

The following set of files need to be there for the Drishti system:

File Size	File Name	Comment
	drishti-readme.txt	Install and Operation Guide
15201257	drishti-sept12release.tgz	OCR system
1369619	fonts.tgz	Indian Language Fonts
2087	install-fonts	Script that installs above
359	INSTALL-YUDIT-README	Guide to install Yudit
180360	Pothana2000.ttf	Free Telugu UNICODE font
4863352	yudit-2.7.6-1.i386.rpm	UNICODE Editor shows Telugu Text

Step1: Create a directory for installing DRISHTI such as /usr/local/packages/drishti. This directory is referred as DRISHTI-HOME hereafter.

Step2: Add the following line to your .bashrc file or any other shell start-up file in your home directory.

export DRISHTIHOME=DRISHTI-HOME for example use 

export DRISHTIHOME=/usr/local/packages/drishti

Step3: Copy all the files listed above to DRISHTI-HOME. 

Extract the DRISHTI system by giving the command:

tar xvzf drishti-sept12release.tgz

If successful, it would create the entire DRISHTI software system on your computer.

Step4: Run the script: install-fonts This will then install and expand the fonts under the package fonts.tgz.

Step5: Install the yudit package by logging in as a root user and installing by giving the command:

rpm -ivh yudit-2.7.6-1.i386.rpm 

Then complete the installation by following the below directions-: 

IMPORTANT

yudit works by installing a "./yudit" directory under the present user. 

 Here it looks for a file "yudit.properties".That is ~/.yudit/yudit.properties.

We need to add the "Pothana2000.ttf" file  to the list of "yudit.font.TrueType="list of true type fonts.

Further we need to add the file "Pothana2000.ttf" under the directory~/.yudit/fonts. 

Operation:

Prior to starting DRISHTI, ensure that the DRISHTIHOME environment variable is set.

 It can be verified by typing "echo $DRISHTIHOME ".

Starting DRISHTI change to DRISHTIHOME directory and type "wish -f drishti gui.tcl".

 

• Minimum System Requirements:

• Red Hat 9 Linux with a Pentium 4 or equivalent processor with at least about 256 MB RAM and 50-60 MB of free disk space .124.

• GIMP, Image Magick etc graphical image manipulation packages. TCL/TK packages and all the dependencies. It is assumed that all the usual libraries etc. for running PERL would also be installed.

 

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