On Modeling The Spatiotemporal Processing Characteristics Of The Retina
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On Modeling The Spatiotemporal Processing Characteristics Of The Retina
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Author : Matthias Wulf
language : en
Publisher: IOS Press
Release Date : 2002
On Modeling The Spatiotemporal Processing Characteristics Of The Retina written by Matthias Wulf and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Computational neuroscience categories.
A Unified Model Of Spatiotemporal Processing In The Retina
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Author : Paolo Gaudiano
language : en
Publisher:
Release Date : 1992
A Unified Model Of Spatiotemporal Processing In The Retina written by Paolo Gaudiano and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Retina categories.
Model And Large Scale Simulator Of A Biological Retina With Contrast Gain Control
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Author : Adrien Wohrer
language : en
Publisher:
Release Date : 2008
Model And Large Scale Simulator Of A Biological Retina With Contrast Gain Control written by Adrien Wohrer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
The retina is a complex neural structure. The characteristics of retinal processing are reviewed extensively in Part I of this work: It is a very ordered structure, which proceeds to band-pass spatio-temporal enhancements of the incoming light, along different parallel output pathways with distinct spatio-temporal properties. The spike trains emitted by the retina have a complex statistical structure, such that precise spike timings may play a role in the code conveyed by the retina. Several mechanisms of gain control provide a constant adaptation of the retina to luminosity and contrast. The retina model that we have defined and implemented in Part II can account for a good part of this complexity. It can model spatio-temporal band-pass behavior with adjustable filtering scales, with the inclusion of plausible mechanisms of contrast gain control and spike generation. The gain control mechanism proposed in the model provides a good fit to experimental data, and it can induce interesting effects of local renormalization in the output retinal image. Furthermore, a mathematical analysis confirms that the gain control behaves well under simple sinusoidal stimulation. Finally, the simulator /Virtual Retina/ implements the model on a large-scale, so that it can emulate up to around 100,000 cells with a processing speed of about 1/100 real time. It is ready for use in various applications, while including a number of advanced retinal functionalities which are too often overlooked.
Bioelectronic Vision Retina Models Evaluation Metrics And System Design
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Author : Joao Carlos Martins
language : en
Publisher: World Scientific
Release Date : 2009-01-05
Bioelectronic Vision Retina Models Evaluation Metrics And System Design written by Joao Carlos Martins and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-01-05 with Science categories.
This book provides a sound mathematical and technical perspective in functional and structural retina models, presents evaluation metrics to assess those models, and provides insights about the models hardware implementation.It begins by introducing the retina anatomy and its workings in a detailed way suitable for an engineering audience, while providing the mathematical analysis of the retina neural response. Moreover, it explores and establishes a framework for the comparison of retina models by organizing a set of metrics for testing and evaluating the different models.The book follows a signal processing perspective, where all models and metrics are discretized in order to be implemented and tested in a digital system, such as a computer or a specialized dedicated hardware device.
Fundamenta Informaticae
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Author : Polskie Towarzystwo Matematyczne
language : en
Publisher:
Release Date : 2004
Fundamenta Informaticae written by Polskie Towarzystwo Matematyczne and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Artificial intelligence categories.
Neural Information Processing
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Author : Masumi Ishikawa
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-06-16
Neural Information Processing written by Masumi Ishikawa and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-06-16 with Computers categories.
The two volume set LNCS 4984 and LNCS 4985 constitutes the thoroughly refereed post-conference proceedings of the 14th International Conference on Neural Information Processing, ICONIP 2007, held in Kitakyushu, Japan, in November 2007, jointly with BRAINIT 2007, the 4th International Conference on Brain-Inspired Information Technology. The 228 revised full papers presented were carefully reviewed and selected from numerous ordinary paper submissions and 15 special organized sessions. The 116 papers of the first volume are organized in topical sections on computational neuroscience, learning and memory, neural network models, supervised/unsupervised/reinforcement learning, statistical learning algorithms, optimization algorithms, novel algorithms, as well as motor control and vision. The second volume contains 112 contributions related to statistical and pattern recognition algorithms, neuromorphic hardware and implementations, robotics, data mining and knowledge discovery, real world applications, cognitive and hybrid intelligent systems, bioinformatics, neuroinformatics, brain-conputer interfaces, and novel approaches.
Dynamics Of Visual Motion Processing
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Author : Guillaume S. Masson
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-12-02
Dynamics Of Visual Motion Processing written by Guillaume S. Masson and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-12-02 with Medical categories.
Motion processing is an essential piece of the complex brain machinery that allows us to reconstruct the 3D layout of objects in the environment, to break camouflage, to perform scene segmentation, to estimate the ego movement, and to control our action. Although motion perception and its neural basis have been a topic of intensive research and modeling the last two decades, recent experimental evidences have stressed the dynamical aspects of motion integration and segmentation. This book presents the most recent approaches that have changed our view of biological motion processing. These new experimental evidences call for new models emphasizing the collective dynamics of large population of neurons rather than the properties of separate individual filters. Chapters will stress how the dynamics of motion processing can be used as a general approach to understand the brain dynamics itself.
Development Of The Visual System
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Author : Retina Research Foundation (U.S.). Symposium
language : en
Publisher: MIT Press
Release Date : 1991
Development Of The Visual System written by Retina Research Foundation (U.S.). Symposium and has been published by MIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Neuroreguladores categories.
Development of the Visual System presents a selection of current studies that clearly illustrate principles of visual system development. These range from retinal development in fish and frogs to the effects of abnormal visual experience on the primary visual cortex of the cat. The book is unique in addressing four specific and fundamental aspects of development: cell lineage and cell fate, specificity and targeting of axons, specification of visual cortex, and correlates of the critical period. Encompassing technical advances in cellular and molecular biology and in video imaging and microscopy, contributions in each of these areas provide new information at the cellular and molecular levels to complement the now classic descriptions of visual development previously available at the level of neural systems.ContributorsKaren L. Allendoerfer, David M. Altshuler, Antonella Antonini, Seymour Benzer, Edward M. Callaway, Constance L. Cepko, Hollis T. Cline, Max S. Cynader, N. W. Daw, Scott E. Fraser, K. Fox, Eckhard Friauf, Anirvan Ghosh, R. W. Guillery, William A. Harris, Christine E. Holt, Lawrence C. Katz, Susan McConnell, Pamela A. Raymond, Thomas A. Reh, Carla J. Shatz, Michael P. Stryker, Claudia A. 0. Stuermer, Mriganka Sur, David L. Turner, T. N. Wiesel
Biomedical Index To Phs Supported Research Pt A Subject Access A H
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Author :
language : en
Publisher:
Release Date : 1992
Biomedical Index To Phs Supported Research Pt A Subject Access A H written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Medicine categories.
Field Programmable Logic And Applications
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Author : Peter Y.K. Cheung
language : en
Publisher: Springer
Release Date : 2003-10-02
Field Programmable Logic And Applications written by Peter Y.K. Cheung and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-10-02 with Computers categories.
This book contains the papers presented at the 13th International Workshop on Field Programmable Logic and Applications (FPL) held on September 1–3, 2003. The conference was hosted by the Institute for Systems and Computer Engineering-Research and Development of Lisbon (INESC-ID) and the Depa- ment of Electrical and Computer Engineering of the IST-Technical University of Lisbon, Portugal. The FPL series of conferences was founded in 1991 at Oxford University (UK), and has been held annually since: in Oxford (3 times), Vienna, Prague, Darmstadt,London,Tallinn,Glasgow,Villach,BelfastandMontpellier.Itbrings together academic researchers, industrial experts, users and newcomers in an - formal,welcomingatmospherethatencouragesproductiveexchangeofideasand knowledge between delegates. Exciting advances in ?eld programmable logic show no sign of slowing down. New grounds have been broken in architectures, design techniques, run-time - con?guration, and applications of ?eld programmable devices in several di?erent areas. Many of these innovations are reported in this volume. The size of FPL conferences has grown signi?cantly over the years. FPL in 2002 saw 214 papers submitted, representing an increase of 83% when compared to the year before. The interest and support for FPL in the programmable logic community continued this year with 216 papers submitted. The technical p- gram was assembled from 90 selected regular papers and 56 posters, resulting in this volume of proceedings. The program also included three invited plenary keynote presentations from LSI Logic, Xilinx and Cadence, and three industrial tutorials from Altera, Mentor Graphics and Dafca.