What is the current stable version of tesseract? And how to upgrade it from tesseract 3.04.01?

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haru...@gmail.com

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Mar 30, 2019, 7:13:39 AM3/30/19
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I have installed tesseract using the following command:

   sudo apt install tesseract-ocr

on Ubuntu 16.04 LTS. Working with python 2.7 and 3.5

Tesseract current version is showing as:

tesseract --version

tesseract 3.04.01
 leptonica-1.73
  libgif 5.1.2 : libjpeg 8d (libjpeg-turbo 1.4.2) : libpng 1.2.54 : libtiff 4.0.6 : zlib 1.2.8 : libwebp 0.4.4 : libopenjp2 2.1.2


I want to know which version is the current stable version of tesseract and how do I upgrade to the latest stable version?
Thanks.


Shree Devi Kumar

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Mar 30, 2019, 7:20:27 AM3/30/19
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haru...@gmail.com

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Mar 31, 2019, 5:55:52 AM3/31/19
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I don't need to uninstall the previous version?

Only this command will work:

sudo add-apt-repository ppa:alex-p/tesseract-ocr
sudo apt-get update



On Saturday, March 30, 2019 at 4:50:27 PM UTC+5:30, shree wrote:
On Sat, Mar 30, 2019 at 4:43 PM <haru...@gmail.com> wrote:
I have installed tesseract using the following command:

   sudo apt install tesseract-ocr

on Ubuntu 16.04 LTS. Working with python 2.7 and 3.5

Tesseract current version is showing as:

tesseract --version

tesseract 3.04.01
 leptonica-1.73
  libgif 5.1.2 : libjpeg 8d (libjpeg-turbo 1.4.2) : libpng 1.2.54 : libtiff 4.0.6 : zlib 1.2.8 : libwebp 0.4.4 : libopenjp2 2.1.2


I want to know which version is the current stable version of tesseract and how do I upgrade to the latest stable version?
Thanks.


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Shree Devi Kumar

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Mar 31, 2019, 6:02:23 AM3/31/19
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Yes, it is preferable to uninstall/remove previous version so that there are no errors/conflicts because of incompatible files.

You can also see https://github.com/Shreeshrii/tessdata_jav_java

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haru...@gmail.com

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Mar 31, 2019, 6:07:28 AM3/31/19
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 Ok, thanks for the info.

I installed openCV 3.4.2 by following the exact same steps given in this tutorial https://www.pyimagesearch.com/2015/07/20/install-opencv-3-0-and-python-3-4-on-ubuntu/

How should I uninstalled it? I am a novice in Ubuntu and python environment.

Shree Devi Kumar

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Mar 31, 2019, 6:12:12 AM3/31/19
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I have not used OPENCV so can't help regarding that.

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Haruo Con

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Mar 31, 2019, 6:18:57 AM3/31/19
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Really sorry for the confusion.

I meant to say, I installed tesseract using

sudo apt install tesseract-ocr
sudo apt-get install tesseract-ocr-eng
sudo apt-get install tesseract-ocr-vie

How should I unistalled it, before installing tesseract 4 with:

sudo add-apt-repository ppa:alex-p/tesseract-ocr
sudo apt-get update

To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/CAG2NduWouSaPZ%3Dui369POGS8geGmK93pi-nURFxs72T5o1bziw%40mail.gmail.com.

Shree Devi Kumar

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Mar 31, 2019, 6:26:24 AM3/31/19
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haru...@gmail.com

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Mar 31, 2019, 6:42:09 AM3/31/19
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I have uninstalled the tesseract 3 with:

sudo apt-get remove tesseract-ocr
sudo apt-get remove --auto-remove tesseract-ocr
sudo apt-get purge tesseract-ocr

And did this:

sudo add-apt-repository ppa:alex-p/tesseract-ocr
sudo apt-get update

And when I type tesseract, its showing :

bash: /usr/bin/tesseract: No such file or directory



I see that there is no tesseract 4 support for Ubuntu 16.04 LTS Xenial.




On Sunday, March 31, 2019 at 3:56:24 PM UTC+5:30, shree wrote:
On Sun, Mar 31, 2019 at 3:48 PM Haruo Con <haru...@gmail.com> wrote:
Really sorry for the confusion.

I meant to say, I installed tesseract using

sudo apt install tesseract-ocr
sudo apt-get install tesseract-ocr-eng
sudo apt-get install tesseract-ocr-vie

How should I unistalled it, before installing tesseract 4 with:

sudo add-apt-repository ppa:alex-p/tesseract-ocr
sudo apt-get update


On Sun, Mar 31, 2019 at 3:42 PM Shree Devi Kumar <shree...@gmail.com> wrote:
I have not used OPENCV so can't help regarding that.

On Sun, Mar 31, 2019 at 3:37 PM <haru...@gmail.com> wrote:
 Ok, thanks for the info.

I installed openCV 3.4.2 by following the exact same steps given in this tutorial https://www.pyimagesearch.com/2015/07/20/install-opencv-3-0-and-python-3-4-on-ubuntu/

How should I uninstalled it? I am a novice in Ubuntu and python environment.

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Shree Devi Kumar

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Mar 31, 2019, 7:58:45 AM3/31/19
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sudo add-apt-repository ppa:alex-p/tesseract-ocr
sudo apt-get update
sudo apt install tesseract

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