Biomimetic Sonar: Binaural 3D Localization using Artificial Bat Pinnae

@article{Schillebeeckx2011BiomimeticSB,
  title={Biomimetic Sonar: Binaural 3D Localization using Artificial Bat Pinnae},
  author={Filips Schillebeeckx and Fons De Mey and Dieter Vanderelst and Herbert Peremans},
  journal={I. J. Robotics Res.},
  year={2011},
  volume={30},
  pages={975-987}
}
This paper presents an advanced bio-inspired binaural sonar sensor capable of localizing reflectors in 3D space with a single reading. The technique makes use of broadband spectral cues in the received echoes only. Two artificial pinnae act as complex direction-dependent spectral filters on the echoes returning from the ensonified reflector. The “active headrelated transfer function” (AHRTF) is introduced to describe this spectral filtering as a function of the reflector angle, taking into… CONTINUE READING
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