computer-vision-in-action

A computer vision learning platform with interactive online code, an ebook, source code, and a reader community.

github.com/Charmve/computer-vision-in-action
computer-vision-in-action homepage screenshot

About computer-vision-in-action

This repository hosts 《计算机视觉实战演练:算法与应用》 (Computer Vision in Action: Algorithms and Applications), a Chinese-language ebook by Zhang Wei (Charmve), along with its source code and a reader community. The book runs from deep learning basics, including linear regression, multilayer perceptrons, and backpropagation, through convolutional neural networks, recurrent neural networks, and graph neural networks. Later sections cover practical computer vision tasks such as image classification, object detection, semantic segmentation, and 3D reconstruction, with topics like Transformers, attention, transfer learning, and generative adversarial models.

The project states that its notebooks can be run interactively in a browser, so readers do not need to set up a local environment. For local work, the author provides a third-party package called L0CV that can be imported in code. The online ebook is updated continuously, and the project says it prioritizes the practical and advanced parts. The homepage describes the material as free to access online.

Key features

  • Interactive notebooks that can be run online in a browser
  • Online Chinese-language ebook with chapters on neural networks and CNNs
  • Hands-on projects for handwritten digit, expression, and CIFAR-10 classification
  • Coverage of graph neural networks, RNNs, and LSTM models
  • Latest PDF version available from the GitHub releases page
  • L0CV package for running book code locally
Best for: Chinese-speaking students and practitioners who want to learn computer vision through worked code and notebooks.
Good for
  • Notebooks can be run online, which the project says avoids local environment setup.
  • The homepage describes the material as free to access online.
  • The ebook is updated on an ongoing basis.
Watch out for
  • The main ebook is written in Chinese.
  • The project says it prioritizes updates to its practical and advanced parts.

computer-vision-in-action at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Open source
Not stated
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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computer-vision-in-action FAQ

Do I need to install software to run the example code?
The project states that its notebooks can be run directly online, which avoids building a local environment. For local debugging, the author provides the L0CV package.
Where can I get a PDF copy of the book?
The homepage links to the latest PDF on the project's GitHub releases page.
Is there a place to ask questions?
The project describes a forum for technical questions and answers as a supplement to the book, and a reader community is listed on the homepage.
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