L’Oreal’s Colorsonic Hair Color Device is a unique high-tech hair wand that significantly cuts down the amount of time it ...

Is it magic? No, it’s a neat hack that uses computer vision to track the wand and recognize when you ... camera detects this reflected light as a bright dot. This camera is tied into a computer ...

The last part of the project was taking the video stream from his IR camera and processing it to detect the bright glow of a wand’s tip. For each frame of the video the background is first ...