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spmallick/learnopencv

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TLDR

A collection of working code examples for computer vision and AI techniques, paired with blog articles. Learn image processing, object detection, deep learning, and more through Python and C++ examples.

Mindmap

mindmap
  root((LearnOpenCV))
    What it does
      Image processing
      Object detection
      Deep learning
      Edge deployment
    Learning format
      Jupyter Notebooks
      Blog articles
      Step-by-step code
    Tech stack
      Python
      C++
      OpenCV
      YOLO models
    Use cases
      Learn computer vision
      Experiment with techniques
      Build vision apps
      Run AI on devices

Things people build with this

USE CASE 1

Follow step-by-step tutorials to learn computer vision fundamentals like image filtering, edge detection, and color space conversion.

USE CASE 2

Implement object detection and tracking systems using pre-built YOLO examples and code snippets from the repository.

USE CASE 3

Deploy AI models on edge devices like Arduino or Jetson boards using provided examples and best practices.

USE CASE 4

Build custom vision applications by adapting code examples for image segmentation, 3D reconstruction, or visual question answering.

Tech stack

PythonC++OpenCVJupyter NotebookYOLOPyTorch

Getting it running

Difficulty · moderate Time to first run · 30min

PyTorch and OpenCV installation can take time; some examples may require GPU/CUDA for optimal performance.

License could not be detected automatically. Check the repository's LICENSE file before use.

In plain English

LearnOpenCV is a code repository that pairs with the LearnOpenCV.com blog. It collects working code examples for hundreds of articles covering computer vision, deep learning, and AI. Computer vision is the field of teaching machines to understand and interpret images and video, things like detecting objects in a photo, tracking moving people in a video, or reading text from a scanned document. Each folder in the repository corresponds to a specific blog post, covering topics ranging from basic image processing with OpenCV (a widely used computer vision library) to cutting-edge techniques like object detection with YOLO models, image segmentation, 3D reconstruction, and running AI models on small edge devices like Arduino or Jetson boards. There are also examples for large language models, visual question answering, and retrieval-augmented generation (where an AI looks up relevant documents before answering). The code is written in Python and C++, with many examples provided as Jupyter Notebooks, interactive documents that mix explanatory text with runnable code, making it easy to follow along step by step. You'd use this if you're learning computer vision or AI, want to experiment with techniques discussed in the LearnOpenCV articles, or need a starting point for building your own vision-based application. It's intended as a practical learning companion rather than a standalone tool.

Copy-paste prompts

Prompt 1
Show me how to use the LearnOpenCV repository to detect objects in images using YOLO. What's the simplest example to start with?
Prompt 2
I want to learn image segmentation. Which LearnOpenCV examples should I study first, and how do I run them in a Jupyter Notebook?
Prompt 3
How do I deploy a computer vision model on a Jetson board using code from the LearnOpenCV repository?
Prompt 4
Walk me through a LearnOpenCV example that uses retrieval-augmented generation with a large language model. How does it work?
Prompt 5
I'm new to OpenCV. Which LearnOpenCV tutorials cover basic image processing, and how do I set up the environment to run them?
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