The system adapts to work seamlessly not only for flat surfaces like a sheet of paper, but even for curved surfaces like that of a book. (goodereader.com)
The back of the phone adopts four curved surface glass body design, and also features the parallel dual cameras on the left top. (myfixguide.com)
Her program tracks the intensity of light reflected off an object illuminated from three different directions and uses this information to measure curved surfaces. (discovermagazine.com)