![]() ![]() To install Tesseract run this command: sudo port install tesseract If you're using Mac OS X, you can install tesseract using either MacPorts or Homebrew: MacPorts Then tesseract should be available on any terminal and therefore accesible by our PHP scripts later. ![]() ![]() deu, -fra, -eng, -spa english required): sudo apt-get install tesseract-ocr-eng Then, install the languages that you need to recognize (e.g. Install Tesseract using the following command: sudo apt-get install tesseract-ocr You can test if it was correctly installed executing in a new command prompt window tesseract -v (that should output the installed version). Wait till the installation finishes and you're ready to go. However we recommend you to install directly all the languages that you need for tesseract in the setup (only the ones you need, otherwise the download process will take long) and register tesseract in the PATH: The installation process is very straightforward, just follow the wizard. You can get a list of all the available setups in the official website of tesseract here (download always the most recent version). The installation of Tesseract in Windows is pretty simple, we recommend you to use the unnofficial installer mentioned in the wiki here (tesseract-ocr-setup-.exe). The installation process of Tesseract in your system will vary according to the Operative System that you use: Windows It supports a wide variety of languages (that needs to be installed). Tesseract supports various output formats: plain-text, hocr(html) and pdf. It can be used directly using an API to extract typed, handwritten or printed text from images. Tesseract is an open source Optical Character Recognition (OCR) Engine, available under the Apache 2.0 license. In order to use the optical character recognition API, as mentioned in the article, we are going to use Tesseract. In this article you will learn how to extract the text from an image with the help of Tesseract using Javascript in Node.js. To achieve our goal of converting images to text, we are going to use Tesseract written in C++ installing it in the system and then using the command line with the Node.js wrapper. Yeah, the user can use programs that creates PDF with selectable text and then they can do what they want, however as a developer, you can offer your user the possibility of extract the text from images using the Optical Character Recognition technology. However although you have the rights to edit the content of the scanned document, you can't edit it in your computer because it's an image, and you can't simply edit an image as if it were a digital document. Let's suppose that you need to digitize a page of a book or a printed document, you will use a scanner to create an image of the real page. ![]()
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