OpenCV Tutorials

Last week I covered how to install OpenCV 3 with Python 2.7 bindings on macOS Sierra and above. In today’s tutorial we’ll learn how to install OpenCV 3 with Python 3.5 bindings on macOS. I decided to break these install…

I’ll admit it: Compiling and installing OpenCV 3 on macOS Sierra was a lot more of a challenge than I thought it would be, even for someone who has a compiled OpenCV on hundreds of machines over his lifetime. If…

Over the past two years running the PyImageSearch blog, I’ve authored two tutorials detailing the required steps to install OpenCV (with Python bindings) on Ubuntu. You can find the two tutorials here: Install OpenCV 3.0 and Python 2.7+ on Ubuntu…

Alight, so you have the NVIDIA CUDA Toolkit and cuDNN library installed on your GPU-enabled system. What next? Let’s get OpenCV installed with CUDA support as well. While OpenCV itself doesn’t play a critical role in deep learning, it is…

A few weeks ago, I wrote a blog post on creating transparent overlays with OpenCV. This post was meant to be a gentle introduction to a neat little trick you can use to improve the aesthetics of your processed image(s),…

Can you believe it’s been over four years since the original Raspberry Pi model B was released? Back then the Pi Model B shipped with only 256MB of RAM and a 700MHz single core processor. Just over one year ago…

Last week’s blog post taught us how to write videos to file using OpenCV and Python. This is a great skill to have, but it also raises the question: How do I write video clips containing interesting events to file…

Let me just start this blog post by saying that writing to video with OpenCV can be a huge pain in the ass. My intention with this tutorial is to help you get started writing videos to file with OpenCV…

This is the final post in our three part series on shape detection and analysis. Previously, we learned how to: Compute the center of a contour Perform shape detection & identification Today we are going to perform both shape detection…