University of Glasgow makes 3D models with single-pixel sensors, skips the cameras (video)

http://www.engadget.com/2013/05/17/university-of-glasgow-creates-3d-models-with-single-pixel-sensor/ / capturing 3D models real world real-world objects multiple cameras tricky to calibrate University of Glasgow 4 four single-pixel single pixel sensors stitching 3D image reflected intensity light patterns projector pixel count lowers lower cost per sensor few dollars extends sensitivity terahertz wavelengths products invention useful for cancer detection noble pursuits facsimiles /