Motion parallax for object localization in electric fields

K. Hunke, J. Engelmann, H.G. Meyer, A. Schneider, Bioinspiration & Biomimetics 17 (2021).

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Artikel | Veröffentlicht | Englisch
Autor*in
Hunke, Kevin; Engelmann, Jacob; Meyer, Hanno GerdFH Bielefeld ; Schneider, AxelFH Bielefeld
Abstract
Abstract - 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 sensor 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.
Erscheinungsjahr
Zeitschriftentitel
Bioinspiration & Biomimetics
Band
17
Zeitschriftennummer
1
Artikelnummer
016003
ISSN
eISSN
FH-PUB-ID

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Hunke, Kevin ; Engelmann, Jacob ; Meyer, Hanno Gerd ; Schneider, Axel: Motion parallax for object localization in electric fields. In: Bioinspiration & Biomimetics Bd. 17, IOP Publishing (2021), Nr. 1
Hunke K, Engelmann J, Meyer HG, Schneider A. Motion parallax for object localization in electric fields. Bioinspiration & Biomimetics. 2021;17(1). doi:10.1088/1748-3190/ac3215
Hunke, K., Engelmann, J., Meyer, H. G., & Schneider, A. (2021). Motion parallax for object localization in electric fields. Bioinspiration & Biomimetics, 17(1). https://doi.org/10.1088/1748-3190/ac3215
@article{Hunke_Engelmann_Meyer_Schneider_2021, title={Motion parallax for object localization in electric fields}, volume={17}, DOI={10.1088/1748-3190/ac3215}, number={1016003}, journal={Bioinspiration & Biomimetics}, publisher={IOP Publishing}, author={Hunke, Kevin and Engelmann, Jacob and Meyer, Hanno Gerd and Schneider, Axel}, year={2021} }
Hunke, Kevin, Jacob Engelmann, Hanno Gerd Meyer, and Axel Schneider. “Motion Parallax for Object Localization in Electric Fields.” Bioinspiration & Biomimetics 17, no. 1 (2021). https://doi.org/10.1088/1748-3190/ac3215.
K. Hunke, J. Engelmann, H. G. Meyer, and A. Schneider, “Motion parallax for object localization in electric fields,” Bioinspiration & Biomimetics, vol. 17, no. 1, 2021.
Hunke, Kevin, et al. “Motion Parallax for Object Localization in Electric Fields.” Bioinspiration & Biomimetics, vol. 17, no. 1, 016003, IOP Publishing, 2021, doi:10.1088/1748-3190/ac3215.

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