For years the projector and camera have served us well, performing their respective tasks. Now, researchers at Japan's Advanced Industrial Science and Technology institute are using them together to measure 3D objects. By projecting a special pattern onto the subject and then using the camera to "read" the amount of distortion in the image, a three-dimensional model can be constructed. This thing is accurate, too, with precision down to 1 - 2mm which means it can measure wrinkles in clothes, or even details in hands. The technology can even be scaled to work with microscopes.
Engadget , Researchers measure 3D objects using just a camera and projector, can tell if you've ironed your shirt (video), Researchers measure 3D objects using just a camera and projector, can tell if you've ironed your shirt (video)
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