OCR stands for optical character recognition, and it’s a method of converting text into an image or image file. It is used to convert text into a machine-readable format that can be searched and analyzed.
Description:-
The advancement in the field of technology never ceases to amaze us. Long back, none of us
could predict that the machines like computers, tablets, and mobile phones would read the text for us. Technologies like Artificial Intelligence and Machine Learning have made it possible to train computers to read text accurately.
Our mobile phones are able to read text through a process called optical character recognition (OCR). This technology uses a camera to scan text and machine learning algorithms to recognize characters and words. The text can be recognized with high accuracy, and the recognized text can be converted into an editable format such as a Word document or a text file.
OCR technology is used in many applications such as passport recognition, bank check processing, automated data entry, scanning and indexing of documents, and much more.
Today, we have come up with a stepwise guide to learn how to use Tesseract OCR library and pytesseract wrapper for optical character recognition (OCR) for converting text in images into digital text in Python.
Tesseract library contains an OCR engine and a command-line program, so it has nothing to do with Python.
Note: Please follow their official guide for installation, as it is a required tool for this tutorial.
We will be using pytesseract module for Python which is a wrapper for the Tesseract-OCR engine so that we can access it via Python.
Applications of Optical Character Recognition (OCR)
OCR has plenty of applications in today’s business. Some of them are listed below:
- Automated Data Entry
- Passport recognition in Airports
- Document Archiving
- License plates recognition
- Extracting business card information into a contact list
- Converting handwritten documents into electronic images
- Creating Searchable PDFs
- Language Translation
- Create audible files (text to audio)
How to use Tesseract OCR library and pytesseract wrapper for optical character recognition (OCR)
Step 1. Install pytesseract library. For installation run the given command in the terminal of your Python IDE (Integrated Development Environment).
Step 2. Make a new Python file and import the necessary libraries.
What is Tesseract Model?
Tesseract is an optical character recognition engine for various operating systems. It is free software released under the Apache License. Originally developed by Hewlett-Packard as proprietary software in the 1980s, it was released as open source in 2005 and development has been sponsored by Google since 2006.
Step 3. Download Tesseract Model from the given link.
https://tesseract-ocr.github.io/tessdoc/Downloads.html
Step 4. Now, define tesseract file with the pytesseract command.
Step 5. If you click the ctrl +left mouse button on import pytesseract, you will see the available function for converting an image into text.
Step 6. First, we will see how we can convert an image into string.
Step 7. Now, find the location of text in the window.
Output:-
Note: image.shape has three variables: height, width & dimension.
Step 8. After this, iterate the box with for loop to find each character’s location in the image.
Output:-
Step 9. Define x, y position with height and width to put a rectangle on each character.
Output:-
Step 10. Now, convert images to data or find each word in the image. Also, append the text with a “text” list.
Note: You can also convert these outputs into other languages for different countries.
Output:-
Conclusion:-
With this, we have come to the end of this tutorial on Optical Character Recognition (OCR) in Python. The success of Optical Character Recognition in Python depends on a variety of factors including the quality of the input image, the accuracy of the recognition algorithm, and the complexity of the text being recognized. OCR in Python can be a powerful tool for automating text recognition tasks, and it can be used for a variety of applications. With the right tools, the right approach, and the right data, OCR in Python can be a useful tool for improving data accuracy and reducing the time needed for manual text recognition. Hope you were able to understand the tutorial.
Do you wish to know more about IOT – visit Learning Bix
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Conclusion
The future is already being written, and it is being written in code. Coding for kids classes can help kids of all ages currently going to school not just learn to code but also to have fun in the process. The above applications of code can be a major stepping stone to build the interest of kids in coding, after which they can hone their interests and new skills on even more advanced applications. A platform such as Learningbix can be an excellent way for you to get started.
Coding is generally considered a boring activity. After all, who wants to sit in front of a computer all day writing in a language that can’t even be read? But that is not all there is to code. It can be used for some really fun coding facts stuff, and there is so much amazing work that you can do only if you knew how to code.
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This logical capability can be of a lot of use to you at school. Especially in subjects like mathematics, you might find yourself topping the class simply because of the practice you got during coding! In fact, coding and mathematics have a kind of symbiotic relationship – what you learn in maths comes of use in code and vice versa.
You Can Follow Your Interest Using Coding
Regardless of what your favorite subject is, or what fields you are interested in, you will find a use for code everywhere. Be it through developing software, creating an all-new app, making a game, or building a simple utility, you will find that coding facts can be a way to enable you to follow your interests through a different path.
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You Can Predict Future Events Through Code
Did you know that predicting the future is an application of coding! Predictive modeling is a field of programming in which code is used to try and predict what will happen in the future on the basis of events that took place in the past. It uses concepts of artificial intelligence and machine learning to create algorithms that learn the behavior of past data and determine the course of future data.
Predictive modeling is one of the most futuristic applications of code and is used to determine everything from the next movie you will like on Netflix to whether it will rain tomorrow. You can opt for closing classes in machine learning to know more about the field, and create your own utilities to predict the future!
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Conclusion
The future is already being written, and it is being written in code. Coding for kids classes can help kids of all ages currently going to school not just learn to code but also to have fun in the process. The above applications of code can be a major stepping stone to build the interest of kids in coding, after which they can hone their interests and new skills on even more advanced applications. A platform such as Learningbix can be an excellent way for you to get started.
Coding is generally considered a boring activity. After all, who wants to sit in front of a computer all day writing in a language that can’t even be read? But that is not all there is to code. It can be used for some really fun coding facts stuff, and there is so much amazing work that you can do only if you knew how to code.
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Let us look at five great fun coding facts you might not know about coding.
You Can Make Games With Code
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You Do Better At School If You Code
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You Can Follow Your Interest Using Coding
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You Can Predict Future Events Through Code
Did you know that predicting the future is an application of coding! Predictive modeling is a field of programming in which code is used to try and predict what will happen in the future on the basis of events that took place in the past. It uses concepts of artificial intelligence and machine learning to create algorithms that learn the behavior of past data and determine the course of future data.
Predictive modeling is one of the most futuristic applications of code and is used to determine everything from the next movie you will like on Netflix to whether it will rain tomorrow. You can opt for closing classes in machine learning to know more about the field, and create your own utilities to predict the future!
Coding Is Free!
You don’t need any sophisticated apparatus except your laptop for coding. All you need is the will to learn more and follow your interests through code. To learn to code you do not need to go to a special school or have any special capabilities. You can opt for free coding classes for kids which are held completely online and follow a completely hands-off approach in helping kids learn to code. There are also a vast number of coding sites for kids on which they can log in to learn basic coding facts for kids without even having to enroll in a class.
Conclusion
The future is already being written, and it is being written in code. Coding for kids classes can help kids of all ages currently going to school not just learn to code but also to have fun in the process. The above applications of code can be a major stepping stone to build the interest of kids in coding, after which they can hone their interests and new skills on even more advanced applications. A platform such as Learningbix can be an excellent way for you to get started.