Neural architectures for unifying brightness perception and image processing [Elektronische Ressource] / Matthias Sven Keil

Neural Architectures for UnifyingBrightness Perception and ImageProcessingInstituto de Optica (CSIC)Image and Vision DepartmentSerrano 121, E-28006 Madrid (Spain)andAbteilung NeuroinformatikFakult at fur InformatikUniversit at UlmAlbert-Einstein-Allee, D-89069 Ulm (Germany)Dissertation zur Erlangung des Doktorgrades Dr.rer.nat.der Fakultat fur Informatik der Universitat UlmMatthias Sven Keil aus Hof an der Saale(erschienen 2002)Amtierender Dekan: Prof. Dr. F. W. von HenkeGutachter 1: Prof. Dr. Heiko NeumannGutachter 2: Prof. Dr. Gunther PalmGutachter 3: Dr. Gabriel Crist obalTag der Promotion: 16. Juni 2003Contents1 Biophysical Principles 61.1 Biological neurons and the equivalent circuit . . . . . . . . . . . . . . 61.2 The membrane equation of a passive neuron . . . . . . . . . . . . . . 71.2.1 Synaptic input . . . . . . . . . . . . . . . . . . . . . . . . . . 91.3 Realistic vs. abstract modeling of biological neurons . . . . . . . . . 131.3.1 Spike rate vs. mean ring rate . . . . . . . . . . . . . . . . . 131.3.2 Driving Potential vs. Potential-Independent Synaptic Input . 141.4 Dendrites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151.5 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182 An Introduction to Brightness Perception 202.1 Luminance, brightness, and the visual pathway . . . . . . . . . . . . 212.2 Retinal Ganglion cells constitute the retinal output . . . . . . . . . . 222.