Explore my site and learn new things on PHP, OpenCV, Image Processing, Computer Vision, Regular Expression and a lot more cool stuffs. I update my site weekly by learning new things and trying to solve real-world problems. Need some help? Just mail and I'll post the code here, for free!
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
This is an advanced HTTP client for HTTP scripting. Using pure PHP, no Curl or other fancy dependencies needed. Read more
This is a very simple PHP script to convert relative URL to its absolute path, given a base URL. Read more
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