Using OpenCV and Tesseract for OCR on Image ROIs

Using OpenCV and Tesseract for OCR on Image ROIs

Click the above “Beginner’s Visual Learning” to choose to add a bookmark or “pin” Important information delivered immediately In this article, we will apply OCR on the selected region of an image using OpenCV. By the end of this article, we will be able to apply automatic orientation correction to the input image, select the … Read more

Implementing OCR for Digit Recognition from 0 to 9 Using OpenCV

Implementing OCR for Digit Recognition from 0 to 9 Using OpenCV

Click on the above “Beginner’s Guide to Vision”, select to add “Star” or “Top” Essential content delivered first-hand Using OpenCV to recognize digits from 0 to 9, achieving a simple OCR function, feature extraction based on contour analysis, and digit recognition based on L1 distance calculation for matching. With interference eliminated, recognition accuracy can exceed … Read more

Tesseract-OCR Document Structure and Rotation Analysis

Tesseract-OCR Document Structure and Rotation Analysis

Click on 'Xiao Bai Learns Vision' above, select 'Star' or 'Top' Important content delivered at the first time 01 Introduction A previous article introduced the installation and testing of Tesseract-OCR, which has already supported recognition of Chinese characters. Due to the high feedback from everyone, I decided to write another article mainly introducing the issues … Read more

Practical Guide: Using OpenCV and PyTesseract for Document OCR

Practical Guide: Using OpenCV and PyTesseract for Document OCR

Click on the above“Beginner’s Guide to Vision”, select to addStar or “Top” Important content delivered first As organizations around the world seek to digitize their operations, converting physical documents into digital formats has become very common. This is usually done through Optical Character Recognition (OCR), where text images (scanned physical documents) are converted into machine … Read more

Understanding Optical Character Recognition (OCR) and Handwritten Text Recognition (HTR)

Understanding Optical Character Recognition (OCR) and Handwritten Text Recognition (HTR)

Click I Love Computer Vision to star and get the latest CVML technologies faster This article is reprinted from Machine Heart. Selected from Medium Author:Ajinkya Khalwadekar Translated by Machine Heart Contributors:Panda, Egg Sauce In the fields of machine learning and computer vision, Optical Character Recognition (OCR) and Handwritten Text Recognition (HTR) have long been important … Read more

Practical Guide | OpenCV + OCR Circular Text Recognition

Practical Guide | OpenCV + OCR Circular Text Recognition

Click the "Xiaobai Learns Vision" above, select "Star" or "Top" Heavy content delivered first Introduction This article will introduce the detailed steps and code demonstration for implementing circular text recognition using OpenCV + OCR. (Source: WeChat Official Account: OpenCV and AI Deep Learning) Background Introduction In optical character recognition (OCR) scenarios, there are many special … Read more

Simple Algorithm Flow for OCR ID Card Recognition

Simple Algorithm Flow for OCR ID Card Recognition

Click the above “Visual Learning for Beginners“, select to add “Star” or “Top“ Essential content delivered promptly Conducting research on OCR ID card recognition, I will organize the algorithm flow from the perspective of basic image processing. Introduction to OCR Optical Character Recognition (OCR) The goal is to analyze and recognize characters in images, converting … Read more

Understanding OCR Recognition Principles for Receipts

Understanding OCR Recognition Principles for Receipts

Click the above “Beginner’s Visual Learning” and choose to add “Star” or “Top” Important content delivered in real-time Translator: Mr. Geek This article is translated from Ivan Ozhiganov’s article “Deep Dive Into OCR for Receipt Recognition” published on DZone. All copyright, image codes, and data belong to the author. The translated content has been slightly … Read more

PyTesseract: A Powerful OCR Tool!

In 2024, OCR technology is no longer a black technology! Today, let’s play with something interesting – PyTesseract, a Python tool that allows you to easily extract text from images. Whether it’s scanned documents, screenshots, or photos taken with a phone, it can help you convert them into editable text with just one click, making … Read more

Principles and Applications of OCR Technology

Principles and Applications of OCR Technology

Click on "Xiaobai Learning Vision" above, select to add "star" or "top" Heavy content delivered in real time Introduction Text is one of the most important sources of information for humans, and natural scenes are filled with various character symbols. OCR (Optical Character Recognition) is a familiar term, referring to the process where electronic devices … Read more