Peer-reviewed, Full-length Works

• Müller, R. & H.-U. Schnitzler (1999): Acoustic flow perception in cf-bats: properties of the available cues.
  J. Acoust. Soc. Am. 105(5): 2958-66
• Müller, R. & R. Kuc (2000): Foliage echoes: a probe into the ecological acoustics of bat echolocation.
  J. Acoust. Soc. Am. 108(3): 836-45
• Müller, R. & R. Kuc (2000): A parsimonious signal representation of random echoes based on a biomimetic spike code.
  In: Proceedings of the ICSC Symposia on Intelligent Systems and Applications, ICSC Academic Press, Canada. ISBN 3-906454-24X pp. 915-21.
• Müller, R. & H.-U. Schnitzler (2000): Acoustic flow perception in cf-bats: extraction of parameters.
  J. Acoust. Soc. Am. 108(3): 1298-1307
• Peremans, H., R. Müller, J. M. Carmena, & J. C. T. Hallam (2000): A biomimetic platform to study perception in cf-bats.
  In: Proceedings of the SPIE Symposium on Sensor Fusion and Decentralized Control in Robotic Systems III. Boston.pp. 168-189.
• Müller, R. & H.-U. Schnitzler (2001): Computational assessment of an acoustic flow hypothesis for cf-bats.
  In: Computational models of auditory function (S. Greenberg & M. Slaney, eds.), vol. 312. IOS Press. ISBN 9051994575 pp. 141-50
• Müller, R. (2003): A computational theory for the classification of natural biosonar targets based on a spike code.
  Network: Comput. Neural Syst. (2003) 14: 595-612
• Peremans, H. & R. Müller (2003): A comprehensive robotic model for neural & acoustic signal processing in bats.
  In: Proceedings of The 1st International IEEE EMBS Neural Engineering Conference pp. 458-461
• Streicher, A., R. Müller, J. Hallam, H. Peremans, & R. Lerch (2004): Ultrasonic transducers for matching the performance of natural sonar systems.
  In: Proceedings of the Joint Congress CFA/DAGA pp. 1015-16.
• Streicher, A., R. Müller, H. Peremans, M. Kaltenbacher, & R. Lerch (2004): Ferroelectrets: Ultrasonic transducer for a biomimetic sonar system.
  In: Proceedings of the 2004 IEEE Ultrasonics Symposium. pp. 1142-45.
• Clarke, C. T., L. Qiang, H. Peremans, & R. Müller (2004): An FPGA Based Biomimetic Implementation of neural signal processing in bats.
  In: Proceedings of the Institute of Acoustics, vol. 26.
• Leonard, G., J. A. Flint, & R. Müller (2004): On the directivity of the pinnae of the rufous horseshoe bat (Rhinolophus rouxii).
  In: Proceedings of the Institute of Acoustics 26(6), 29-37.
• Müller, R. (2004): A numerical study of the role of the tragus in the big brown bat.
  J. Acoust. Am. 116(6), 3701-12
• Müller, R. & J. C. T. Hallam (2004): Biomimetic smart antenna shapes for ultrasonic sensors in robots.
  In: Proceedings of the 35th International Symposium on Robotics ISR 2004, 6 pages
• Müller, R. & J. C. T. Hallam (2004): From bat pinnae to sonar antennae: augmented obliquely truncated horns as a novel parametric shape model.
  In: S. Schaal, A. Ijspeert, A. Billard, S. Vijayakumar, J. C. T. Hallam, and J.-A. Meyer (eds.): Proceedings of the Eighth International Conference on the Simulation of Adaptive Behavior (SAB'04) MIT Press. pp. 87-95.
• Peremans, H. & R. Müller (2004): The CIRCE biomimetic bat head.
  In: Proceedings of the Institute of Acoustics, vol. 26.
• Müller, R. & J. C. T. Hallam (2005): Knowledge mining for biomimetic smart antenna shapes.
  Robotics and Autonomous Systems, 50, 131-45
• Müller, R., H. Lu, S. Zhang, & H. Peremans (2006): A helical biosonar scanning pattern in the Chinese Noctule, Nyctalus plancyi.
  J. Acoust. Soc. Am. 119(6), 4083-92
• Müller, R. & H. Peremans (2006): Biomimetic integration of neural and acoustic signal processing.
  In: M. Akay (ed.): IEEE EMBS Book Series on Neural Engineering. Wiley/IEEE Press, pp. 281-96
• Zhuang, Q. & R. Müller (2006): Noseleaf furrows in a horseshoe bat act as resonance cavities shaping the biosonar beam.
  Phys. Rev. Lett. 97(21), 218701 - 4 (featured on journal cover).
• R. Müller & R. Kuc (2007): Biosonar-Inspired Technology: Goals, Challenges, and Insights.
  Bioinsp. Biomim. 2, S146-61 (invited contribution).
• Zhuang, Q. & R. Müller (2007): Numerical study of the effect of the noseleaf on biosonar beamforming in a horseshoe bat.
  Phys. Rev. E 76(5), 051902-1-11.

Technical Report

• Wang, M., R. Müller, & A. Zell (2006): A comparison of two methods for natural landmark classification with biosonar.
  Wilhelm-Schickard-Institute for Computer Science, Tübingen University. ISSN 0946-3852, 19 pages (2006)

Conference Presentations

• Acoustic flow field information and obstacle avoidance in CF-bats. In: 25th Göttingen Neurobiology Report, 1997
• Acoustic flow in echo amplitudes and spectra: a viable concept for obstacle avoidance in CF-bats? Presented at: 133rd ASA Meeting, State College, Pennsylvania, USA, June 16-20, 1997
• Estimating acoustic flow parameters for multiple echoes within a biologically motivated signal processing framework. Presented at: 134th ASA Meeting, San Diego, California, USA, December 1-5, 1997
• Demodulation and the evaluation of acoustic flow. In: 26th Göttingen Neurobiology Report, 1998
• Feasibility Issues in Acoustic Flow Perception. Presented at: Animal Sonar Systems, 1998
• Acoustic flow field perception in cf-bats - a feasibility study. Presented at: Tübinger Wahrnehmungskonferenz, 1998
• Biosonar in a textured world. Presented at: 137th ASA Meeting, Berlin, Germany, March 14-19, 1999
• Non-gaussian randomness outside and inside the bat' s brain. Presented at: 138th ASA Meeting, Columbus, Ohio, USA, November 1-5, 1999
• Biomimetic Sonar: Why, How & What? Presented at: Workshop on biomimetic Ultrasound, Edinburgh, Scotland, July 21-22, 2000
• Biomimetic spike encoding of natural stimulus ensembles. Presented at: Workshop on biomimetic Ultrasound, Edinburgh, Scotland, July 21-22, 2000
• A parsimonious signal representation of random echoes based on a biomimetic spike code. In: Proceedings of the ICSC Symposia on Intelligent Systems and Applications. ICSC Academic Press, Canada. ISBN 3-906454-24-X. pp. 915­21
• A biomimetic platform to study perception in bats. In: Proceedings of the SPIE Symposium on Sensor Fusion and Decentralized Control in Robotic Systems III, Proc. of SPIE (G. T. McKee & P. S. Schenker, eds.), vol. 4196. Boston. pp. 168­89
• A Synthetic Biosonar-Observer. Presented at: 28th Göttingen Neurobiology Conference, June 6-10, 2001
• Biosonar in the bat's world. Presented at: Telluride Workshop on Neuromorphic Engineering, Telluride, Colorado, USA, July 1-21, 2001.
• Fast Signals and a Slow Brain: Ultrasonic Waveforms seen through a Spike Code. Presented at: 4. Tübinger Wahrnehmungskonferenz, March 2-4, 2001
• Computational assessment of an acoustic flow hypothesis for cf-bats. In: Computational models of auditory function (S. Greenberg & M. Slaney, eds.), vol. 312. IOS Press. ISBN 9051994575. pp. 141­50
• The stimulus ensemble of biosonar. Presented at: Gordon Research Conferenc "Sensory coding and the natural environment", South Hadley, MA, USA
• A general spike coding model for natural echoes. Presented at: 144th ASA Meeting/First Pan-American/Iberian Meeting on Acoustics, Cancun, Mexico, December 2-6, 2002
• Chiroptera-Inspired Robotic Cephaloid (CIRCE): A next generation biomimetic sonar head. Presented at: 144th ASA Meeting/First Pan-American/Iberian Meeting on Acoustics, Cancun, Mexico, December 2-6, 2002
• Predicting the acoustic properties of biosonar antenna shapes. In: 2nd Workshop on Biomimetic Ultrasound, Valencia, Spain, 22 -24 September, 2003
• Thoughts on the Neuro-IT roadmap. Presented at: Workshop Towards a Roadmap for Successful Neuro-IT Research in Europe, hosted by the European Commission, Brussels, Belgium, December 2003
• Life-like antenna design for the CIRCE system. In: NeuroIT Workshop, Brussels, Belgium, December 2, 2003.
• A comprehensive robotic model for neural & acoustic signal processing in bats.In: 1st International IEEE EMBS Neural Engineering Conference pp. 458-461
• Understanding ultrasonic perception - simulation of the bat sonar system. Presented at: CAD-FEM Users´ Meeting 2003, Potsdam, Germany, November 12-14, 2003
• Broadband-In-Air Ultrasonic Transducers for an artificial bat head. Presented at: DAGA 2003, Aachen, Germany, March 18-20, 2003 (in German)
• Broadband ultrasonic transducer for an artificial bat head. In: Proceedings of the 2003 IEEE International Ultrasonics Symposium, vol. 2. IEEE. pp. 1364­7
• An fpga based biomimetic implementation of acoustic signal processing in bats. In: Proceedings of the Institute of Acoustics, vol. 26. 7 pages
• On the directivity of the pinnae of the rufous horseshoe bat (Rhinolophus rouxii). Proceedings of the Institute of Acoustics 26(6), 29-37
• How bats' ears probe space: a numerical analysis of pinna shapes. Presented at: 75th Anniversary Meeting (147th Meeting) of the Acoustical Society of America, New York City, New York, 24-28 May, 2004
• A numerical analysis of the acoustic computations in bat biosonar. Presented at: 2004 International Workshop on Nature Inspired Computation and Applications (IWNICA'2004), Hefei, China, October 25-29, 2004
• Biomimetic smart antenna shapes for ultrasonic sensors in robots. In: Proceedings of the 35th International Symposium on Robotics ISR 2004. 6 pages, 2004
• From bat pinnae to sonar antennae: Augmented obliquely truncated horns as a novel parametric shape model. Presented at: Eighth International Conference on the Simulation of Adaptive Behavior, Los Angeles, CA, USA, July 13-17, 2004
• How bats' ears probe space: a numerical analysis of pinna shapes. J. Acoust. Soc. Am. 115(5), 2517, Presented at: 147th Meeting of the Acoustical Society of America, New York City, New York, May 24-28, 2004
• Predicting the acoustic properties of bat ears from micro-ct measurements. Presented at: 13th European Microscopy Congress (EMC 2004), Satellite Workshop on Non-Invasive 3D Microscopy, Antwerp, Belgium, August 22 - 27, 2004
• The CIRCE biomimetic bat head. In: Proceedings of the Institute of Acoustics, vol. 26. 8 pages (2004)
• The CIRCE- project: Progress report for year 2. Presented at: NeuroIT Workshop. Bonn, June 21-23, 2004
• Ultrasonic transducers for matching the performance of natural sonar systems. Presented at: Joint Congress CFA/DAGA 2004, Strasbourg, France, March 22-25, 2004
• Ferroelectrets: Ultrasonic transducer for a biomimetic sonar system. Presented at: 2004 IEEE Ultrasonics Symposium, Montreal, Canada August 23-27, 2004
• An optimized toolchain for predicting directivity patterns from digital representations of biological shapes. Presented at: 150th Meeting of the Acoustical Society of America, Minneapolis, Minnesota, October 17-21, 2005
• From bat ears to sound beams. Short course given at CILIA Project Workshop, Hyères, France, March 20-22, 2006
• Biosonar-inspired design - past, present, future. Keynote presented at: Biomimetics Symposium, The Georgia Institute of Technology, Atlanta, USA, 10-12 May, 2006
• Numerical insights into the mechanisms of biosonar beamforming. J. Acoust. Soc. Am. 119(5), 3316; Invited talk presented at: 151st Meeting of the Acoustical Society of America, Providence, USA, 5-9 June, 2006
• Frequency-swept directivity lobes - an emerging functional principle of biosonar beamforming. J. Acoust. Soc. Am. 122(5), 2946; presented at: 154th Meeting of the Acoustical Society of America, New Orleans, USA, 27 November - 1 December 2007

Web Publications

• Biosonar in a textured world - lay language paper
• Randomness outside and inside the bat's brain - lay language paper
• How Bats' Ears Probe Space: Look Around While You Whistle - lay language paper

Press Coverage

A list of articles covering my work can be found here.

get my publication list (BibTeX)

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