Figure 2: Video still from Watching and Dreaming (2001: A Space Odyssey). The input frame exactly matches the mental state of the system as it attempts to learn an initial vocabulary of percepts; this only occurs in the first few scenes of the film.
The image is clearly divided down the middle, creating a left side and a right side. Left side: a rock formation with rosy clouds and blue sky behind it. Right side: same as the left side.