Read my articles below and learn new things on Image Processing and Computer Vision programming with OpenCV. Got questions? Get the answers!
Since I've been writing many posts and code with OpenCV, a lot of people have asked various questions. Most of the questions are very basic, like how to install OpenCV, why this code is not working, etc. I'm thinking about writing an "Introduction to OpenCV" ebook which covers basic and medium topics. Read more
This is a utility to read the pixel value of an image at the specified location. When the user's mouse clicks on the image, it reads the corresponding pixel and displays the RGB value. Read more
A few days ago, a reader asked me about selecting circular ROI using OpenCV. I think such a function for selecting non-rectangular subimage would be useful, so I tried to write one. Read more
Many of us thought of doing project in computer vision using OpenCV library. But beginners find it difficult to use the OpenCV library because of the installation problem. So here is quick tutorial to install OpenCV 2.0. This tutorial assumes that you use windows XP and visual studio 2008 Express Edition. Read more
A few days ago, a reader ask me about selecting ROI using mouse. I thought that such a code would be useful so I wrote the code below. It loads an image, and you define the ROI by dragging your mouse. Read more
This article explains how to implement real time eye tracking and blink detection with OpenCV. Source code is available to download. Read more
In this tutorial, I will show you the system I built to stream OpenCV videos over TCP/IP network. The system was tested on both Windows and BSD. Experiments show that the system runs very well and smooth on both systems. Read more
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