Motion vision: are 'speed lines' used in human visual motion?
Motion analysis poses problems for any visual system, not least because of the ambiguities inherent in motion signals. Recent studies suggest that the human motion system may exploit 'motion streaks' - analogous to the cartoonist's speed lines - to help resolve the direction of ambiguous motion.
Burr
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Istituto di Neurofisiologia, Pisa, Italy. dave@in.pi.cnr.it
D006801:Humans; D009039:Motion Perception; D014796:Visual Perception