AI Memos (1959 - 2004): Recent submissions

Now showing items 400-402 of 1217

    • Direct Passive Navigation 

      Negahdaripour, Shahriar; Horn, Berthold K.P. (1985-02-01)
      In this paper, we show how to recover the motion of an observer relative to a planar surface directly from image brightness derivatives. We do not compute the optical flow as an intermediate step. We derive a set of ...

    • Shape and Source from Shading 

      Brooks, Michael J.; Horn, Berthold K.P. (1985-01-01)
      Well-known methods for solving the shape-from-shading problem require knowledge of the reflectance map. Here we show how the shape-from-shading problem can be solved when the reflectance map is not available, but is ...

    • Spotlight on Attention 

      Hurlbert, A.; Poggio, Tomaso A (1985-04-01)
      We review some recent psychophysical, psychological and anatomical data which highlight the important role of attention in visual information processing, and discuss the evidence for a serial spotlight of attention. ...