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  Movement detectors of the correlation type provide sufficient information for local computation of the 2-D velocity field

Reichardt, W., Schlögl, R., & Egelhaaf, M. (1988). Movement detectors of the correlation type provide sufficient information for local computation of the 2-D velocity field. In H. Haken (Ed.), Neural and Synergetic Computers: Proceedings of the International Symposium at Schloß Elmau, Bavaria, June 13–17, 1988 (pp. 170-179). Berlin, Germany: Springer.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-EF4F-1 Version Permalink: https://hdl.handle.net/21.11116/0000-0006-48EF-D
Genre: Conference Paper

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https://link.springer.com/content/pdf/10.1007%2F978-3-642-74119-7_12.pdf (Publisher version)
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 Creators:
Reichardt, W1, 2, Author           
Schlögl, RW, Author
Egelhaaf, M1, 2, Author           
Affiliations:
1Former Department Information Processing in Insects, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497801              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              

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 Abstract: The projection of the velocity vectors of objects moving in three-dimensional space on the image plane of an eye or a camera can be described in terms of a vector field. This so-called 2-D velocity field is time-dependent and assigns the direction and magnitude of a velocity vector to each point in the image plane. The 2-D velocity field, however, is a purely geometrical concept and does not directly represent the input site of a visual information processing system. The only information available to a visual system is given by the time-dependent brightness values as sensed in the image plane by photoreceptors or their technical equivalents. From spatio-temporal coherences in these changing brightness patterns motion information is computed. This poses the question about whether the spatio-temporal brightness distributions contain sufficient information to calculate the correct 2-D velocity field. Here we show that the 2-D velocity field generated by motion parallel to the image plane can be computed by purely local mechanisms.

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 Dates: 1988-06
 Publication Status: Issued
 Pages: -
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 Rev. Type: -
 Identifiers: BibTex Citekey: 1654
DOI: 10.1007/978-3-642-74119-7_12
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Title: International Symposium on Neural and Synergetic Computers
Place of Event: Elmau, Germany
Start-/End Date: 1988-06-13 - 1988-06-17

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Title: Neural and Synergetic Computers: Proceedings of the International Symposium at Schloß Elmau, Bavaria, June 13–17, 1988
Source Genre: Proceedings
 Creator(s):
Haken, H, Editor
Affiliations:
-
Publ. Info: Berlin, Germany : Springer
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 170 - 179 Identifier: ISBN: 3-540-50339-0

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Title: Springer Series in Synergetics
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Pages: - Volume / Issue: 42 Sequence Number: - Start / End Page: - Identifier: -