Converting images into text for analysis

In today's world, most of the information is available on the internet. This information can be in the form of text, videos, or images. We have many tools and techniques available for analyzing text and extract relevant information from it, but what about a scanned image from a book, or text that is available in the form of an image?

Tesseract OCR

Here, we will now learn how to extract text from an image. For this purpose, we will use the Tesseract framework. The Tesseract OCR (optical character recognition) project is sponsored by Google, and is available as an open source project under the Apache 2.0 license. It is capable of converting images to text in different languages. It can also be trained to learn new languages.

Installing Tesseract

The first step is to install Tesseract in Ubuntu by executing the following command:

$ sudo apt-get install tesseract-ocr

The following screenshot displays the output of this command:

Tesseract installation 

Once it...