[Universiät Ulm] [Fakultät Informatik] [Neuroinformatik] [Mitarbeiter]

Pierre Bayerl

Contact: Dr. Pierre Bayerl e-mail:

Interests

Computer Vision --> Lecture at the DHBW Heidenheim: Digitale Bildverarbeitung (2009). Psychophysics Attention: influence of attention on perception and on perceptual tasks. Motion Perception: Modeling and Psychophysics Disambiguating ambiguous information Aperture problem Pinna Illusion Influences of retino-cortical topography Interaction of motion and form information Gaze Perception: "What are you looking at?"

Fixate the center and move back and forth.

Interests (part II)

Visualization tools (e.g. see here ) Graphical modeling

quiver tool output.

Publications

2007

• Carranza N., Cristobal G., Bayerl P., Neumann H.: Motion Estimation of Magnetic Resonance Cardiac Images Using the Wigner–Ville and Hough Transforms. Optics and Spectroscopy 103(6), 877–885, 2007
• Fischer S., Bayerl P., Neumann H., Redondo R., Cristobal G.: Iterated tensor voting and curvature improvement. Signal Processing 87, 2503–2515, 2007
• Ringbauer S., Bayerl P., Neumann H.: Neural Mechanisms for Mid-Level Optical Flow Pattern Detection. ICANN 07, 281-290, 2007
• Bayerl, P., Neumann, H.: A fast biologically inspired algorithm for recurrent motion estimation. IEEE Transactions on Pattern Analysis and Machine Intelligence 29(2), 246-260, 2007
• Bayerl, P., Neumann, H.: Disambiguating visual motion by form-motion interaction - a computational model. International Journal of Computer Vision 72(1), 27-45, 2007

2006

• Weidenbacher, U., Bayerl, P., Neumann, H. and Fleming, R.W.: Sketching Shiny Surfaces: 3D Shape Extraction and Depiction of Specular Surfaces. Transactions on Applied Perception 3(3), 2006
• Beck, C., Bayerl, P., Neumann, H.: Optic Flow Integration at Multiple Spatial Frequencies - Neural Mechanism and Algorithm, LNCS 4291, 741-750, 2006
• Bayerl, P., Neumann, H.: Estimating heading and collisions with the environment from curvilinear self-motion in optical flow patterns. ECVP '06, 2006
• Budnik, U., Bayerl, P., Hindi-Attar, C., Pinna, B., Hennig, J., Speck, O.: The contribution of human brain areas for visual illusory effects. An fMRI-study on the illusory motion effect in the Pinna-Brelstaff-Figure. ECVP '06, 2006
• Bayerl, P., Neumann, H.: A neural model of feature attention in motion perception. BioSystems, 2006 (in press)
• Weidenbacher, U., Bayerl, P., Neumann, H.: Generation of Sketch-like Feature Encodings in Oriented Faces – A Neural Model. Proc. of the 6nd Annual Meeting of the Vision ScienceS Society (VSS'06), Sarasota, Florida, USA, 2006
• Bayerl, P., Neumann, H.: Feature attention in motion perception - a computational account. Proc. of the 6nd Annual Meeting of the Vision ScienceS Society (VSS'06), Sarasota, Florida, USA, 2006
• Weidenbacher U., Layher G., Bayerl P., Neumann H.: Detection of Head Pose and Gaze Direction for Human-Computer Interaction. PIT 2006: 9-19, 2006
• Bausch, T., Bayerl, P., Neumann, H.: Multi-Level Face Tracking for Estimating Human Head Orientation in Video Sequences. PIT'06, 2006
• Mahler, T., Bayerl, P., Neumann, H., Weber, M.: Visual Attention in Auditory Display. PIT'06, 2006
• Weidenbacher, U., Bayerl, P., Neumann, H.: Generation of Sketch-like Feature Encodings in Oriented Faces: A Neural Model, TWK'06, 2006
• Bayerl, P., Neumann, H.: The role of feature attention in motion perception – a computational study about the interplay of attentional selection and mutual competition. TWK'06, 2006

Other activities 2006

• Bayerl, P.: Biologically Motivated Computational Motion Analysis - from Detection to Object Segmentation. Bildgebungstreffen, Experimentelle Psychologie, Regensburg (November, 2006)
• Bayerl, P.: Attention to visual motion - a computational approach. Kolloquium der Abteilung Allgemeine Psychologie Current Topics in Perception and Cognition SS 2006 , Giessen, Germany (June 2006)
• Bayerl, P.: Motion detection and integration: from cortical loops to computational implementations. Goettingen, Germany (April 2006)

2005

• Clauss, M., Bayerl, P., Neumann, H.: "Segmentation of independently moving objects using a maximum-likelihood principle", Proceedings of the AMS2005 Workshop, pp. 80-87, 2005
• Bayerl, P., Neumann, H.: Feature-based attention increases the selectivity of population responses in a model of the primate visual cortex. Neural Coding Workshop 2005, Marburg, 2005
• Bayerl, P., Neumann, H.: Judgment of gaze direction is affected by the looker’s head silhouette. Perception Supplement, 34, 206, 2005
• Kessler, H., Hoffmann, H., Bayerl, P., Neumann, H., Basic, A., Deighton, R.M., Traue, H.C.: Die Messung von Emotionserkennung mittels Computer-Morphing. Nervenheilkunde, 24, 611-614, 2005
• Weidenbacher, U., Bayerl, P., Fleming, R., Neumann, H.: Extracting and Depicting the 3D Shape of Specular Surfaces, Proceedings of the 2nd ACM Siggraph Symposium on Applied Perception and Graphics in Visualization (APGV), 83-86, 2005
• Bayerl, P., Neumann, H.: Towards real-time: A neuromorphic algorithm for recurrent motion segmentation. Ninth International Conference on Cognitive and Neural Systems (ICCNS '05), Boston, USA, 2005
• Weidenbacher, U., Bayerl, P., Fleming, R., Neumann, H.: Perception of Mirrored Objects, Journal of Vision 5(8), 526, Page 526a, 2005
• Bayerl, P., Neumann, H.: Attention and Figure-Ground Segmentation in a Model Motion Perception. Proc. of the 5nd Annual Meeting of the Vision ScienceS Society (VSS'05), Sarasota, Florida, USA, 661, 2005
• Mahler, T., Bayerl, P., Weber, M., Neumann, H.: Attention Driven Auditory Display. TWK'05, 2005
• Barteit, D., Bayerl, P., Neumann, H.: Illusory contours and the amodal grouping of visual motion. TWK'05, 2005
• Weidenbacher, U., Bayerl, Fleming, R., P., Neumann, H.: Mechanisms of Recovering Shape Properties from Perfectly Mirrored Objects. TWK'05, 2005
• Bayerl, P., Neumann, H.: The role of attention in figure-ground separation of transparent visual motion – a modeling approach. TWK'05, 2005

Other activities 2005

• Bayerl, P.: A model of visual motion perception. PhD defence at the University of Ulm, Faculty for Computer Science (Ein Modell für die visuelle Wahrnehmung von Bildbewegung. Promotionskolloqium an der Universität Ulm, Fakultät für Informatik) (December 2005)
• Bayerl, P.: A model of visual motion perception. Séminaires de l' Institut de Neurosciences Cognitives de la Méditerranée CNRS - GLM (Octobre 2005)

2004

• Clauss, M., Bayerl, P., Neumann, H.: Evaluation of regions-of-interest based attention algorithms using a probabilistic measure. Proc. 5th Workshop Dynamische Perzeption, Tübingen, 227-232, 2004
• Reichle, R., Bayerl, P., Neumann, H.: A self-organized neural network for pattern recognition. Proc. 5th Workshop Dynamische Perzeption, Tübingen, 183-188, 2004
• Bayerl, P., Neumann, H.: Disambiguating Visual Motion through Contextual Feedback Modulation. Neural Computation, 16(10), 2041-2066, 2004
• Bayerl, P., Neumann, H.: Unified mechanisms in the disambiguation and grouping of visual information in motion, stereo and monocular depth perception. Perception Supplement, 33, 79, 2004
• Bayerl, P., Neumann, H.: A model of motion, stereo and monocular depth perception. Proc. DAGM '04, Springer LNCS 3175, 95-102, 2004
• Clauss, M., Bayerl, P., Neumann, H.: A statistical measure for evaluating regions-of-interest based attention algorithms. Proc. DAGM '04, Springer LNCS 3175, 383-390, 2004
• Bayerl, P., Neumann, H.: Disambiguating visual motion by form-motion interaction - a computational model. Early Cognitive Vision Workshop (ECOVISION '04), Isle of Skye, Scotland, 2004
• Bayerl, P., Neumann, H.: Disambiguating visual motion - a model of recurrent V1-MT interaction. Eighth International Conference on Cognitive and Neural Systems (ICCNS '04), Boston, USA, 2004
• Schweiger, R., Bayerl, P., Neumann, H. Neural architecture for temporal emotion classification. Tutorial and Research Workshop on Affective Dialogue Systems (ADS04), 2004.
• Fischer, S., Bayerl, P., Neumann, H., Christobal, G., Redondo, R.: Are iterations and curvature useful for tensor voting?. In: European Conf. on Computer Vision 2004 (ECCV '04), 2004
• Bayerl, P., Neumann, H.: Influence of the spoke luminance and spoke width on the reverse spoke illusion - Model and Experiments. TWK'04

Other activities 2004

• Bayerl, P.: Disambiguating Visual Motion through Contextual Feedback Modulation. Seminar Psychiatrie Ulm (July 2004)
• Bayerl, P.: Disambiguating Visual Motion through Contextual Feedback Modulation. Seminar Neuronale Netze und kognitive Systeme, MPI Leipzig (Nov. 2004)

2003

• Bayerl, P., Neumann, H.: Complementary computations for motion binding, segregation and the neural solution to the aperture problem. Perception Supplement, 32, 19-20, 2003 (link)
• Neumann, H., Bayerl, P.: Bewegungswahrnehmung - die Illusion der Realität. Nervenheilkunde, 22, 322-324, 2003
• Seifart, F., Bayerl, P., Neumann, H.: A Neural Model for Heading Detection from Optic Flow. Proc. ESANN'03, Brugge, 2003
• Zehender, A., Bayerl, P., Neumann, H.: A view-based approach for object recognition from image sequences. Proc. ESANN'03, Brugge, 2003
• Seifart, F., Bayerl, P., Neumann, H.: The role of log polar mapping for heading estimation and heading representation in a model of motion integration. TWK'03, 2003
• Bayerl, P., Neumann, H.: The role of feedback for motion integration and disambiguation. TWK'03, 2003

2002

• Bayerl, P., Neumann, H.: Recurrent processing in the dorsal pathway underlies the robust integration and segregation of motion patterns. Proc. of the 2nd Annual Meeting of the Vision ScienceS Society (VSS'02), Sarasota, Florida, USA, p. 226, 2002
• Bayerl, P., Neumann, H.: Neural Mechanisms of Visual Flow Integration and Segregation - Insights from the Pinna-Brelstaff Illusion and Variations of it. BMCV 2002, Tübingen,2002
• Bayerl, P., Neumann, H.: Cortical mechanisms of processing visual flow - Insights from the Pinna-Brelstaff illusion. Proc. 4th Workshop Dynamische Perzeption, Bochum, 2002
• Kessler, H., Bayerl, P., Deighton, R.M., Traue H.C.: Facially Expressed Emotion Labeling (FEEL): PC-gestützter Test zur Emotionserkennung. Verhaltenstherapie und Verhaltensmedizin, 23(3), 297-306, 2002
• Bayerl, P., Baratoff, G.: An Interactive Vision-Based Tool for Model-Based Scene Calibration of Augmented Reality Environments. In: Proceedings of the 10th International Conferences in Central Europe on Computer Graphics, Visualization and Computer Vision (WSCG 2002), Plzen, Czech Republic, February 4-8, 2002, UNION Agency, Plzen, 2002

Other activities 2002

• Bayerl, P.: Die Pinna-Brelstaff-Bewegungstäuschung: Variationen, Modellierung und Psychophysik. Sehseminar Freiburg (Vortrag)
• (Illustration of a variation of the Pinna-Brelstaff-Illusion, jpg) Süddeutsche Zeitung vom 13. Aug 2002, Wissenschaftsteil.

Misc. (partly german)

• Merkblatt Strukturtensor (german)
• Merkblatt: Algorithmus zum Erzeugen einer Zufallspermutation (german)