This is an open source online OCR service built by the Django framework.

• python 3.8

• tesseract 4.1.x

https://github.com/tesseract-ocr/tessdoc/blob/master/Home.md

A macOS wrapper for the Tesseract API is also available at Tesseract macOS.

MacPorts

To install Tesseract run this command:

sudo port install tesseract

To install any language data, run:

sudo port install tesseract-<langcode>

List of available langcodes can be found on MacPorts tesseract page.

Homebrew

To install Tesseract run this command:

brew install tesseract

The tesseract directory can then be found using brew info tesseract, e.g. /usr/local/Cellar/tesseract/3.05.02/share/tessdata/.

Tesseract is available directly from many Linux distributions. The package is generally called 'tesseract' or 'tesseract-ocr' - search your distribution's repositories to find it. Thus you can install Tesseract 4.x and its developer tools on Ubuntu 18.x bionic by simply running:

sudo apt install tesseract-ocr
sudo apt install libtesseract-dev

Docker Engine

Within the download, you'll find the following directories and files. You'll see something like this:

├────.gitattributes
├────.gitignore
├────app/
│    ├────__init__.py
│    ├────admin.py
│    ├────apps.py
│    ├────migrations/
│    │    ├────0001_initial.py
│    │    ├────0002_auto_20200505_0909.py
│    │    └────__init__.py
│    ├────models.py
│    ├────ocr.py
│    ├────serializers.py
│    ├────urls_api.py
│    └────views.py
├────db/
│    └────__init__.py
├────dockerfile_base
├────dockerfile_product
├────manage.py
├────media/
│    └────test/
├────nginx.conf
├────onlineocr/
│    ├────__init__.py
│    ├────asgi.py
│    ├────settings.py
│    ├────urls.py
│    └────wsgi.py
├────README.md
├────requirements.txt
├────sources.list
├────start.sh
├────static/
├────templates/
├────uwsgi/
├────uwsgi.ini
└────uwsgi_params

Before run it you need first install Tesseract.

git clone https://github.com/ginguocun/onlineocr.git
cd onlineocr

python3 -m venv venv
source venv/bin/activate

pip install -r requirements.txt

python3 manage.py migrate

Start development server at https://127.0.0.1:9999/

python3 manage.py runserver 127.0.0.1:9999

git clone https://github.com/ginguocun/onlineocr.git
cd onlineocr
sudo docker build --rm -t onlineocr:base -f dockerfile_base .

sudo docker build --rm -t onlineocr:latest -f dockerfile_product .

Start development server at https://127.0.0.1:9999/

sudo docker run -it -p 9999:80 onlineocr:latest /bin/bash

The online API documents is at https://127.0.0.1:9999/docs/

The main APIs are listed below:

• /api/ocr/
• /api/history/
• /api/register/
• /api/token_obtain_pair/
• /api/token_refresh/

POST /api/ocr/

This is an API which can take an uploaded image(jpg, png) and find any letters in it.

The request body should be a "application/json" encoded object, containing the following items.

GET /api/history/

This is an API used to obtain the historical upload records.

The following parameters can be included as part of a URL query string.

POST /api/register/

This is an API for user registration.

The request body should be a "application/json" encoded object, containing the following items.

POST /api/token_obtain_pair/

Takes a set of user credentials and returns an access and refresh JSON web token pair to prove the authentication of those credentials.

The request body should be a "application/json" encoded object, containing the following items.

POST /api/token_refresh/

Takes a refresh type JSON web token and returns an access type JSON web token if the refresh token is valid.

The request body should be a "application/json" encoded object, containing the following items.