To convert this image, all you have to do is open your Terminal prompt, change directory (using the cd your_directory_with_images command) to the directory which contains your images (for example, if you have made a directory images in your home directory ( ~/images) you can simply use cd ~/images), and OCR the files: tesseract -l eng input_for_ocr.png output_from_ocr
We will use a simple image which contains the following text:
Sudo yum install tesseract-devel leptonica-devel Sudo yum install epel-release sudo yum install tesseract-devel leptonica-devel To install Tesseract OCR on RHEL and Centos, do: Sudo apt install tesseract-ocr libtesseract-dev tesseract-ocr-eng To install Tesseract OCR on your Debian/Apt based Linux distribution (Like Ubuntu and Mint), do: Without further ado welcome to Tesseract OCR! Installing Tesseract OCR It also supports many output formats like HTML, PDF, and plain text.
A free, top quality OCR software based on LSTM Neural Net with unicode (UTF-8) support, and which can recognize more then 100 languages by default. This makes choosing, and potentially paying for, an OCR package a perhaps long winded process, especially if you want to test and evaluate each package.įor those who are using Linux, there is a great alternative route. Other challenges may include text mixed with images or photos, or different direction (for example left-right as well as top-down, or angled text) within the same page. Generally speaking, standard books (or Internet web page prints) will work very well, and should produce reasonable quality results in all cases, as the fonts are straight and uniform and under a singe angle, provided that the original photo or scan is of reasonable quality.Īlso good to keep in mind is that even advanced software packages may struggle with poor quality or blurred images, and most packages may struggle with different handwriting styles etc. Some packages will provide poorer quality results, others will closely align to the text seen in the photo or image. While there are many OCR software available, some paid and some free, they are not all of the same quality. The OCR Software will then, for each letter discovered, analyze the graphical dots seen in the image, and translate/transform that into actual text a computer can use, for example in a word processor. OCR Software can help you by parsing that photo/image and finding all text within it. You’d like to quote it elsewhere, but all you have is a photo. Imagine taking a photo of your favorite passage from one the Lord of The Rings books. The OCR acronym stands for Optical Character Recognition: a software program and system whereby a computer can read the text inside images.
Top quality Optical Character Recognition (OCR) software may have been expensive in the past, but now it is available, free of charge, directly from your Linux Terminal command line! This article will help you get setup and started with OCR.