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naptha / tesseract.js Public

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Pure Javascript OCR for more than 100 Languages 

tesseract.projectnaptha.com/

License

Apache-2.0 license
26.3k stars 1.8k forks
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  * Issues 110
  * Pull requests 21
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[                    ]
Version 2 is now available and under development in the master
branch, read a story about v2: Why I refactor tesseract.js v2? Check
the support/1.x branch for version 1 Major changes in v2 Installation
CDN Node.js Documentation Use tesseract.js the way you like!
Contributing Development Online Setup with a single Click Building
Static Files Contributors Code Contributors Financial Contributors
Individuals Organizations

README.md

                            Tesseract.js

Lint & Test CodeQL Gitpod Ready-to-Code Financial Contributors on
Open Collective npm version Maintenance License Code Style Downloads
Total Downloads Month

    Version 2 is now available and under development in the master
   branch, read a story about v2: Why I refactor tesseract.js v2?
             Check the support/1.x branch for version 1


Tesseract.js is a javascript library that gets words in almost any
language out of images. (Demo)

Image Recognition

fancy demo gif

Video Real-time Recognition

                         Tesseract.js Video

Tesseract.js wraps an emscripten port of the Tesseract OCR Engine. It
works in the browser using webpack or plain script tags with a CDN
and on the server with Node.js. After you install it, using it is as
simple as:

import Tesseract from 'tesseract.js';

Tesseract.recognize(
  'https://tesseract.projectnaptha.com/img/eng_bw.png',
  'eng',
  { logger: m => console.log(m) }
).then(({ data: { text } }) => {
  console.log(text);
})

Or more imperative

import { createWorker } from 'tesseract.js';

const worker = createWorker({
  logger: m => console.log(m)
});

(async () => {
  await worker.load();
  await worker.loadLanguage('eng');
  await worker.initialize('eng');
  const { data: { text } } = await worker.recognize('https://tesseract.projectnaptha.com/img/eng_bw.png');
  console.log(text);
  await worker.terminate();
})();

Check out the docs for a full explanation of the API.

 Major changes in v2

  * Upgrade to tesseract v4.1.1 (using emscripten 1.39.10 upstream)
  * Support multiple languages at the same time, eg: eng+chi_tra for
    English and Traditional Chinese
  * Supported image formats: png, jpg, bmp, pbm
  * Support WebAssembly (fallback to ASM.js when browser doesn't
    support)
  * Support Typescript

 Installation

Tesseract.js works with a <script> tag via local copy or CDN, with
webpack via npm and on Node.js with npm/yarn.

 CDN

<!-- v2 -->
<script src='https://unpkg.com/tesseract.js@v2.1.0/dist/tesseract.min.js'></script>

<!-- v1 -->
<script src='https://unpkg.com/tesseract.js@1.0.19/src/index.js'></script>

After including the script the Tesseract variable will be globally
available.

 Node.js

Tesseract.js currently requires Node.js v6.8.0 or higher

# For v2
npm install tesseract.js
yarn add tesseract.js

# For v1
npm install tesseract.js@1
yarn add tesseract.js@1

 Documentation

  * Examples
  * Image Format
  * API
  * Local Installation
  * FAQ

 Use tesseract.js the way you like!

  * Offline Version: https://github.com/jeromewu/tesseract.js-offline
  * Electron Version: https://github.com/jeromewu/
    tesseract.js-electron
  * Custom Traineddata: https://github.com/jeromewu/
    tesseract.js-custom-traineddata
  * Chrome Extension #1: https://github.com/jeromewu/
    tesseract.js-chrome-extension
  * Chrome Extension #2: https://github.com/fxnoob/image-to-text
  * Firefox Extension: https://github.com/gnonio/korporize
  * With Vue: https://github.com/jeromewu/tesseract.js-vue-app
  * With Angular: https://github.com/jeromewu/
    tesseract.js-angular-app
  * With React: https://github.com/jeromewu/tesseract.js-react-app
  * Typescript: https://github.com/jeromewu/tesseract.js-typescript
  * Video Real-time Recognition: https://github.com/jeromewu/
    tesseract.js-video

 Contributing

 Development

To run a development copy of Tesseract.js do the following:

# First we clone the repository
git clone https://github.com/naptha/tesseract.js.git
cd tesseract.js

# Then we install the dependencies
npm install

# And finally we start the development server
npm start

The development server will be available at http://localhost:3000/
examples/browser/demo.html in your favorite browser. It will
automatically rebuild tesseract.dev.js and worker.dev.js when you
change files in the src folder.

 Online Setup with a single Click

You can use Gitpod(A free online VS Code like IDE) for contributing.
With a single click it will launch a ready to code workspace with the
build & start scripts already in process and within a few seconds it
will spin up the dev server so that you can start contributing
straight away without wasting any time.

Open in Gitpod

 Building Static Files

To build the compiled static files just execute the following:

npm run build

This will output the files into the dist directory.

 Contributors

 Code Contributors

This project exists thanks to all the people who contribute. [
Contribute]. [6874747073]

 Financial Contributors

Become a financial contributor and help us sustain our community. [
Contribute]

 Individuals

[6874747073]

 Organizations

Support this project with your organization. Your logo will show up
here with a link to your website. [Contribute]

[6874747073] [6874747073] [6874747073] [6874747073] [6874747073]
[6874747073] [6874747073] [6874747073] [6874747073] [6874747073]

About

Pure Javascript OCR for more than 100 Languages 

tesseract.projectnaptha.com/

Topics

javascript ocr deep-learning webassembly tesseract

Resources

Readme

License

Apache-2.0 license

Stars

26.3k stars

Watchers

477 watching

Forks

1.8k forks

Releases 33

 
Tesseract.js v2.1.5 Latest
Aug 2, 2021
+ 32 releases

Sponsor this project

  * open_collective opencollective.com/tesseractjs
  * tidelift tidelift.com/funding/github/npm/tesseract.js
  * https://etherscan.io/address/
    0x74ace8c74535d6dac03ebdc708ca2fba54796ef2

Packages 0

No packages published

Used by 6.1k

 

  * @CompostInTraining
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+ 6,103

Contributors 56

  * @jeromewu
  * @bijection
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  * @dependabot[bot]
  * @nisarhassan12
  * @loderunner
  * @mikewesthad
  * @zzarcon
  * @hemanth
  * @monkeywithacupcake
  * @rowasc

+ 45 contributors

Languages

  * JavaScript 96.2%
  * HTML 3.6%
  * Dockerfile 0.2%

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