Internal inertial sensors

One pleasant surprise for computer vision on a mobile device is that we can detect the 3D orientation of the camera from other sensors. An iPhone has an accelerometer and a gyroscope (among complementary sensors not discussed here).

Virtual furniture at the right scale

Our imagination is a powerful cognitive skill. When I walked into the living room of my new apartment, I experienced a rectangular empty space with a dusty concrete floor and hollow sounding acoustics. But in my mind I was already furnishing and decorating. I imagined a blue carpet on the floor, the walls lined with bookcases, a large… Continue reading Virtual furniture at the right scale

Orwell’s telescreens

Winston Smith is the main character in the famous novel Nineteen Eighty-Four by George Orwell. In his apartment there is an “oblong metal plaque like a dulled mirror which formed part of the surface of the right-hand wall.” The description of this flatscreen television goes on to state that the “instrument (the telescreen, it was… Continue reading Orwell’s telescreens