Dr. Ralph Simon
Dr. Ralph Simon
Lehrstuhl für Maschinelles Lernen und Datenanalytik
Department Artificial Intelligence in Biomedical Engineering (AIBE)
- Simon, R., Matt, F., Santillán, V., Tschapka, M., Tuttle, M., & Halfwerk, W. (2023). An ultrasound-absorbing inflorescence zone enhances echo-acoustic contrast of bat-pollinated cactus flowers. Journal of Experimental Biology, 226(5) | https://doi.org/10.1242/jeb.245263
- Simon, R., Varkevisser, J., Mendoza, E., Hochradel, K., Elsinga, R., Wiersma, P G., Middelburg, E., Zoeter, E., Scharff, C., Riebel, K., & Halfwerk, W. (2023). RoboFinch: A versatile audio-visual synchronised robotic bird model for laboratory and field research on songbirds. Methods in Ecology and Evolution, 00, 1–12 | https://doi.org/10.1111/2041-210X.14063
- Varkevisser, J. M., E. Mendoza, M., Simon, R., Manet, M., Halfwerk, W. H., Scharff, C. and Riebel, K. (2022). Multimodality during live tutoring is relevant for vocal learning in zebra finches. Animal Behavior, 187, 263-280 | https://doi.org/10.1016/j.anbehav.2022.03.013
- Rickert, D., Simon, R., von Fersen, L., Baumgartner, K., Bertsch, T., Kirschbaum, C., & Erhard, M. (2022). Saliva and Blood Cortisol Measurement in Bottlenose Dolphins (Tursiops truncatus): Methodology, Application, and Limitations. Animals, 12(1), 22. | https://www.mdpi.com/2076-2615/12/1/22
- Simon, R.*, Bakunowski, K.*, Reyes-Vasques, A. E., Tschapka, M., Knörnschild, M., Steckel, J., & Stowell, D. (2021). Acoustic traits of bat-pollinated flowers compared to flowers of other pollination syndromes and their echo-based classification using convolutional neural networks. PLoS Computational Biology, 17(12), e1009706. | https://doi.org/10.1371/journal.pcbi.1009706
- Verreycken, E., Simon, R., Quirk-Royal, B., Daems, W., Barber, J., & Steckel, J. (2021). Bio-acoustic tracking and localization using heterogeneous, scalable microphone arrays. Communications Biology, 4(1), 1-11. | https://www.nature.com/articles/s42003-021-02746-2
- Varkevisser, J. M.*, R. Simon*, E. Mendoza, M. How, I. van Hijlkema, R. Jin, Q. Liang, C. Scharff, W. H. Halfwerk, and K. Riebel. 2021. Adding colour-realistic video images to audio playbacks increases stimulus engagement but does not enhance vocal learning in zebra finches. Animal Cognition:1-26. | https://doi.org/10.1007/s10071-021-01547-8
- Hüttner, T.; Dollhaeupl, S.; Simon, R.; Baumgartner, K.; von Fersen, L. (2021). Activity Budget Comparisons Using Long-Term Observations of a Group of Bottlenose Dolphins (Tursiops truncatus) under Human Care: Implications for Animal Welfare. Animals, 11, 2107. | https://doi.org/10.3390/ani11072107
- Velilla, E., Polajnar, J., Virant-Doberlet, M., Commandeur, D., Simon, R., Cornelissen, J.H.C., Ellers, J. and Halfwerk, W. (2020) Variation in plant leaf traits affects transmission and detectability of herbivore vibrational cues. Ecology and Evolution, 10(21), 12277-12289. | https://doi.org/10.1002/ece3.6857
- Velilla, E., Muñoz, M., Quiroga, N., Symes, L., ter Hofstede, H.M., Page, R.A., Simon, R., Ellers, J. and Halfwerk, W., (2020) Gone with the wind: Is signal timing in a neotropical katydid an adaptive response to variation in wind-induced vibratory noise? Behavioral Ecology and Sociobiology, 74, pp.1-11. | https://doi.org/10.1007/s00265-020-02842-z
- Hernández-Montero, J.R., Reusch, C., Simon, R., Schöner, C.R. and Kerth, G., (2020) Free-ranging bats combine three different cognitive processes for roost localization. Oecologia, pp.1-10 | https://doi.org/10.1007/s00442-020-04634-8
- Simon, R., Rupitsch, S., Baumann, M., Wu, H., Peremans, H. and Steckel, J., (2020) Bioinspired sonar reflectors as guiding beacons for autonomous navigation. Proceedings of the National Academy of Sciences. | DOI: 10.1073/pnas.1909890117
- Geipel, I., Steckel, J., Tschapka, M., Vandererelst, D., Schnitzler, H. U., Kalko, E.K.V., Peremans, H., & Simon, R., (2019) Bats Actively Use Leaves as Specular Reflectors to Detect Acoustically Camouflaged Prey, Current Biology, 29(16), 2731-2736. | https://doi.org/10.1016/j.cub.2019.06.076
- Halfwerk, W., Varkevisser, J., Simon, R., Mendoza, E., Scharff, C., & Riebel, K. (2019) Toward Testing for Multimodal Perception of Mating Signals. Front. Ecol. Evol., 17 April 2019 | https://doi.org/10.3389/fevo.2019.00124
- Kroh, P., Simon, R., Rupitsch, S. J., (2019) Classification of Sonar Targets in Air: A Neural Network Approach. Sensors, 19. Jg., Nr. 5, S. 1176. | https://doi.org/10.3390/s19051176
- Schöner, M. G., Simon, R., & Schöner, C. R. (2016). Acoustic communication in plant–animal interactions. Current opinion in plant biology, 32, 88-95. | https://doi.org/10.1016/j.pbi.2016.06.011
- Übernickel, K., Simon, R., Kalko, E. K., & Tschapka, M. (2016). Sensory challenges for trawling bats: Finding transient prey on water surfaces. The Journal of the Acoustical Society of America, 139(4), 1914-1922. | https://doi.org/10.1121/1.4944756
- Schöner*, M. G., Schöner*, C. R., Simon*, R. , Grafe, T. U., Puechmaille, S. J., Ji, L. L., Kerth, G. (2015). Bats Are Acoustically Attracted to Mutualistic Carnivorous Plants. Current Biology 25 (14), p. 1911–1916. *Co-first author | https://doi.org/10.1016/j.cub.2015.05.054
- Simon, R., Knörnschild, M., Tschapka, M., Schneider, A., Passauer, N., Kalko, E. K. and von Helversen, O. (2014). Biosonar resolving power: Echo-acoustic perception of surface structures in the submillimeter range. Frontiers in Physiology 5. https://doi.org/10.3389/fphys.2014.00064
- Simon, R., Holderied, M. W., Koch, C. U. and von Helversen, O. (2011) Floral acoustics: conspicuous echoes of a dish-shaped leaf attract bat pollinators. Science 333 (6042), p.631 – 633 | DOI: 10.1126/science.1204210
- Kelm, D.H.; Simon, R., Kuhlow, R., Voigt, CC., Ristow, M., (2011) High activity enables life on a high sugar diet in nectar-feeding bats, Proceedings of the Royal Society B: Biological Sciences, 278(1724):3490-3496.
- Simon, R., Holderied, M. W. and von Helversen, O. (2006). Size discrimination of hollow hemispheres by echolocation in a nectar feeding bat. Journal of Experimental Biology 209:3599-3609.