IMAGE-TEXT-App
Build an Image to Text Converter App using React.js and Tesseract.js OCR
What Is OCR?
OCR stands for “Optical Character Recognition” or “Optical Character Reader”. It is used to extract texts from images.
What Is Tesseract.Js?
Tesseract.js is a JavaScript library that compiles the original Tesseract from C to JavaScript WebAssembly thereby making OCR accessible in the browser. Tesseract.js engine was originally written in ASM.js and it was later ported to WebAssembly but ASM.js still serves as a backup in some cases when WebAssembly is not supported.
As stated on the website of Tesseract.js, it supports more than 100 languages, automatic text orientation and script detection, a simple interface for reading paragraphs, words and character bounding boxes.
Tesseract is an optical character recognition engine for various operating systems. It is free software, released under the Apache Licence. Hewlett-Packard developed Tesseract as proprietary software in the 1980s. It was released as open source in 2005 and its development has been sponsored by Google since 2006.
The latest version, version 4, of Tesseract was released in October 2018 and it contains a new OCR engine that uses a neural network system based on Long Short-Term Memory (LSTM) and it is meant to produce more accurate results.
Getting Started with Create React App
This project was bootstrapped with Create React App.
Available Scripts
In the project directory, you can run:
npm start
Runs the app in the development mode.
Open http://localhost:3000 to view it in your browser.
The page will reload when you make changes.
You may also see any lint errors in the console.
npm test
Launches the test runner in the interactive watch mode.
See the section about running tests for more information.
npm run build
Builds the app for production to the build
folder.
It correctly bundles React in production mode and optimizes the build for the best performance.
The build is minified and the filenames include the hashes.
Your app is ready to be deployed!
See the section about deployment for more information.
npm run eject
Note: this is a one-way operation. Once you eject
, you can't go back!
If you aren't satisfied with the build tool and configuration choices, you can eject
at any time. This command will remove the single build dependency from your project.
Instead, it will copy all the configuration files and the transitive dependencies (webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except eject
will still work, but they will point to the copied scripts so you can tweak them. At this point you're on your own.
You don't have to ever use eject
. The curated feature set is suitable for small and middle deployments, and you shouldn't feel obligated to use this feature. However we understand that this tool wouldn't be useful if you couldn't customize it when you are ready for it.
Learn More
You can learn more in the Create React App documentation.
To learn React, check out the React documentation.
Code Splitting
This section has moved here: https://facebook.github.io/create-react-app/docs/code-splitting
Analyzing the Bundle Size
This section has moved here: https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size
Making a Progressive Web App
This section has moved here: https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app
Advanced Configuration
This section has moved here: https://facebook.github.io/create-react-app/docs/advanced-configuration
Deployment
This section has moved here: https://facebook.github.io/create-react-app/docs/deployment
npm run build
fails to minify
This section has moved here: https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify