Motion parallax for object localization in electric fields

Hunke K, Engelmann J, Meyer HG, Schneider A (2021)
Bioinspiration and Biomimetics.

Zeitschriftenaufsatz | E-Veröff. vor dem Druck | Englisch
 
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Autor*in
Hunke, Kevin; Engelmann, JacobUniBi ; Meyer, Hanno Gerd; Schneider, AxelUniBi
Abstract / Bemerkung
Parallax, as a visual effect, is used for depth perception of objects. But is there also the effect of parallax in the context of electric field imagery? In this work, the example of weakly electric fish is used to investigate how the self-generated electric field that these fish utilize for orientation and communication alike, may be used as a template to define electric parallax. The skin of the electric fish possesses a vast amount of electroreceptors that detect the self-emitted dipole-like electric field. In this work, the weakly electric fish is abstracted as an electric dipole with a senor line in between the two emitters. With an analytical description of the object distortion for a uniform electric field, the distortion in a dipole-like field is simplified and simulated. On the basis of this simulation, the parallax effect could be demonstrated in electric field images i.e. by closer inspection of voltage profiles on the sensor line. Therefore, electric parallax can be defined as the relative movement of a signal feature of the voltage profile (here, the maximum or peak of the voltage profile) that travels along the sensor line (peak trace, PT). The PT width correlates with the object's vertical distance to the sensor line, as close objects create a large PT and distant objects a small PT, comparable with the effect of visual motion parallax. © 2021 IOP Publishing Ltd.
Erscheinungsjahr
2021
Zeitschriftentitel
Bioinspiration and Biomimetics
eISSN
1748-3190
Page URI
https://pub.uni-bielefeld.de/record/2958726

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Hunke K, Engelmann J, Meyer HG, Schneider A. Motion parallax for object localization in electric fields. Bioinspiration and Biomimetics. 2021.
Hunke, K., Engelmann, J., Meyer, H. G., & Schneider, A. (2021). Motion parallax for object localization in electric fields. Bioinspiration and Biomimetics. https://doi.org/10.1088/1748-3190/ac3215
Hunke, K., Engelmann, J., Meyer, H. G., and Schneider, A. (2021). Motion parallax for object localization in electric fields. Bioinspiration and Biomimetics.
Hunke, K., et al., 2021. Motion parallax for object localization in electric fields. Bioinspiration and Biomimetics.
K. Hunke, et al., “Motion parallax for object localization in electric fields”, Bioinspiration and Biomimetics, 2021.
Hunke, K., Engelmann, J., Meyer, H.G., Schneider, A.: Motion parallax for object localization in electric fields. Bioinspiration and Biomimetics. (2021).
Hunke, Kevin, Engelmann, Jacob, Meyer, Hanno Gerd, and Schneider, Axel. “Motion parallax for object localization in electric fields”. Bioinspiration and Biomimetics (2021).

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