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M.Sc. CNS Visual Perception Optic Flow Stan Gielen Dept. of Biophysics.

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Presentation on theme: "M.Sc. CNS Visual Perception Optic Flow Stan Gielen Dept. of Biophysics."— Presentation transcript:

1 M.Sc. CNS Visual Perception Optic Flow Stan Gielen Dept. of Biophysics

2 M.Sc. CNS Visual Perception Optic flow time-to-contact Variability of long-jump decreases towards push-off. Diving birds for fish

3 M.Sc. CNS Visual Perception Optic flow due to observer motion Optic velocity field produced by observer motion. Retinal velocity field produced by combined observertranslation and rotation.

4 M.Sc. CNS Visual Perception Conclusion Focus of expansion does not provide information about heading direction

5 M.Sc. CNS Visual Perception Motion due to object motion or object rotation: no conflict

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