Archive for the “Computer Vision” Category

On February 1st, Microsoft released the first official version of the Kinect SDK and It is better than ever!

If you are starting to play with this cool “toy”, you are probably finding many problems in your way. I have been struggling with WPF and its way to paint stuff on the screen for a while now, and these two things are quite basic when we talk about the Kinect.

So this afternoon, my friend Jesús Domínguez gave me a call asking me for my old Kinect projects. He just bought a new Kinect and wanted to use the latest SDK.

I have been always interested in this device, so we spent this cold afternoon trying to simplify Microsoft’s code in order to give you the simplest, shortest, and easiest source code you can use to get the Depth stream from the Kinect.
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From time to time, I like to switch my mind and test new designs.
Few days ago, I wrote about the robot that was able to follow a line by analyzing the video taken from its built-in Camera.
The problem with that system is that the robot needs an actual line lying on the floor… Changing our environment is not always the best idea… so after some time thinking about how to get read of that line, I came with a system that might work without an actual line on the floor.

By mounting a camera in the next floor…

Webcam mounted on the second floor

Webcam mounted on the second floor

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Little by little, the new Robotics Lab at Saint Louis University is having more and more robots, usually those robots are the result of “insomnia” nights. This is one of the last toys I’ve made: A line tracker based on a simple computer vision system.

This robot has four different parts:

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