Image Processing

Comprehensive Review: Image Feature Extraction and Matching Techniques

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Comprehensive Review: Image Feature Extraction and Matching Techniques

Click the above “Visual Learning for Beginners” to select “Add to Favorites” or “Pin” Heavy content delivered at the first time Author: William Source: Full-Stack Engineer for Autonomous Driving Zhihu Column https://www.zhihu.com/people/william.hyin/columns Feature extraction and matching is an important task in many computer vision applications, widely used in motion structure, image retrieval, object detection, and … Read more

Baido AI Research Series: Open Capabilities

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Baido AI Research Series: Open Capabilities

One original article every Monday, focusing on 5G, IoT, and artificial intelligence. Follow my 【Top Viewpoint】 to consistently utilize fragmented time for learning. In the previous article, we detailed one of Baidu’s open capabilities—speech technology. Today, we continue to explore Baidu’s open capabilities—image technology. There are a total of five general capabilities: image review, vehicle … Read more

Feature Detection, Description, and Matching with OpenCV

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Feature Detection, Description, and Matching with OpenCV

Click on 'Xiaobai Learns Vision' above, select 'Star' or 'Top' Important content delivered at the first time Introduction In this article, I will discuss various algorithms for image feature detection, description, and matching using OpenCV. First, let’s look at what computer vision is; OpenCV is an open-source computer vision library. What happens when a human … Read more

Image Recognition System Using Python

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Image Recognition System Using Python

Click the above “Beginner Learning Vision” to select and add a star or “top” Important content delivered first Editor’s Recommendation The project will use Python 3 to identify whether the image is pornographic, utilizing the PIL image processing library and writing an algorithm to delineate the skin areas of the image. Reprinted from丨Coder Xiao Ming … Read more

Image Recognition Preprocessing Techniques

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Image Recognition Preprocessing Techniques

Click on "Little White Learns Vision" above, select "Star" or "Top" Heavyweight content, delivered at the first time In image recognition, the quality of the image directly affects the design and accuracy of the recognition algorithm. Besides optimization on the algorithm side, preprocessing techniques play a crucial role in the entire project, yet people often … Read more

Trends and Techniques of Deep Learning in Image Processing

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Trends and Techniques of Deep Learning in Image Processing

Click on the above“Beginner’s Guide to Vision” to select “Star” or “Pin” Heavyweight content delivered first time From | Zhihu Author | Jixing Link | https://zhuanlan.zhihu.com/p/147885624 Editor | Deep Learning Matters WeChat Official Account This article is for academic exchange only. If there is any infringement, please contact us for deletion. Introduction In recent years, … Read more

Five Core Tasks of Computer Vision

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Five Core Tasks of Computer Vision

Click the "Xiaobai Learns Vision" above, select "Star" or "Top" Heavy content delivered at the first time Computer vision is not only a science that studies how to make machines understand and interpret the visual world, but also a technology that aims to enable machines to have visual processing capabilities similar to humans. By analyzing … Read more

Implementing OCR for Digit Recognition from 0 to 9 Using OpenCV

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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

Smart Text Recognition Technology Solves Traditional OCR Challenges

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Smart Text Recognition Technology Solves Traditional OCR Challenges

How to Use Advanced Smart Text Recognition Technology To Solve the Challenges of Traditional OCR (Optical Character Recognition) Applications? At the recent 2022 China Image Graphics Conference forum on “Frontier Technologies and Industrial Applications of OCR”, Dr. Ding Kai, Director of Natural Language Algorithm R&D at Hehe Information Company, introduced the company’s smart text recognition … Read more

Practical Guide: Using OpenCV and PyTesseract for Document OCR

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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