MIT Media Lab: Light Sensing Displays

By using light sensing displays, MIT’s Media Lab was able to put together a display that responds to gestures by sensing the movement of your hands through light-sensing pixels and pin holes. Here’s how visiting researcher Douglas Lanman describes the technique:

…instead of an LCD, an array of pinholes is placed in front of the sensors. Light passing through each pinhole will strike a small block of sensors, producing a low-resolution image. Since each pinhole image is taken from a slightly different position, all the images together provide a good deal of depth information…

I’m no techie so have a look at the video to learn the ins and outs of how the folks at MIT’s Media Lab did it. Source: MIT, YouTube via Engadget