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Olshausens Demo PowerPoint PPT Presentation
Olshausens Demo - Encoding Properties. Original. 50 basis. 10 basis. 30 basis. 40 basis ... Basis functions found in good agreement with properties of neurons in visual cortex: ...
Encoding Properties. Original. 50 basis. 10 basis. 30 basis. 40 basis ... Basis functions found in good agreement with properties of neurons in visual cortex: ...
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Eliminaci PowerPoint PPT Presentation
Eliminaci - Title: PowerPoint Presentation Last modified by: mancera Created Date: 1/1/1601 12:00:00 AM Document presentation format: Presentaci n en pantalla
Title: PowerPoint Presentation Last modified by: mancera Created Date: 1/1/1601 12:00:00 AM Document presentation format: Presentaci n en pantalla
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Distributed Synchrony: a model for cortical communication PowerPoint PPT Presentation
Distributed Synchrony: a model for cortical communication - Distributed Synchrony: a model for cortical communication Madhur Ambastha Jonathan Shaw Zuohua Zhang Dana H. Ballard Department of Computer Science
Distributed Synchrony: a model for cortical communication Madhur Ambastha Jonathan Shaw Zuohua Zhang Dana H. Ballard Department of Computer Science
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Computational Architectures in Biological Vision, USC PowerPoint PPT Presentation
Computational Architectures in Biological Vision, USC - Title: USC Brain Project Specific Aims Author: Michael A. Arbib Last modified by: Laurent Itti Created Date: 3/18/1998 2:41:19 PM Document presentation format
Title: USC Brain Project Specific Aims Author: Michael A. Arbib Last modified by: Laurent Itti Created Date: 3/18/1998 2:41:19 PM Document presentation format
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Restricted Boltzmann Machine and Deep Belief Net PowerPoint PPT Presentation
Restricted Boltzmann Machine and Deep Belief Net - Title: PowerPoint Presentation Author: OUYANG Wanli Last modified by: OUYANG Wanli Created Date: 1/1/1601 12:00:00 AM Document presentation format
Title: PowerPoint Presentation Author: OUYANG Wanli Last modified by: OUYANG Wanli Created Date: 1/1/1601 12:00:00 AM Document presentation format
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COMPRESSED SENSING PowerPoint PPT Presentation
COMPRESSED SENSING - Title: PowerPoint Presentation Last modified by: Luis Mancera Pascual Created Date: 1/1/1601 12:00:00 AM Document presentation format: Presentaci n en pantalla
Title: PowerPoint Presentation Last modified by: Luis Mancera Pascual Created Date: 1/1/1601 12:00:00 AM Document presentation format: Presentaci n en pantalla
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Learning%20Invariant PowerPoint PPT Presentation
Learning%20Invariant - Learning Invariant
Learning Invariant
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Normative models of human inductive inference PowerPoint PPT Presentation
Normative models of human inductive inference - Giraffes are distinguished by neck length, body height and body tilt. Horses are like giraffes, but with shorter bodies and nearly uniform necks ...
Giraffes are distinguished by neck length, body height and body tilt. Horses are like giraffes, but with shorter bodies and nearly uniform necks ...
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Ecological Statistics and Visual Grouping PowerPoint PPT Presentation
Ecological Statistics and Visual Grouping - Ecological Statistics and Visual Grouping
Ecological Statistics and Visual Grouping
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Genetic Algorithms PowerPoint PPT Presentation
Genetic Algorithms - none
none
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Understanding early visual coding from information theory PowerPoint PPT Presentation
Understanding early visual coding from information theory - Understanding early visual coding from information theory By Li Zhaoping Lecture at EU advanced course in computational neuroscience, Arcachon, France, August, 2006.
Understanding early visual coding from information theory By Li Zhaoping Lecture at EU advanced course in computational neuroscience, Arcachon, France, August, 2006.
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Origins of Cognitive Abilities PowerPoint PPT Presentation
Origins of Cognitive Abilities - Origins of Cognitive Abilities Jay McClelland Stanford University
Origins of Cognitive Abilities Jay McClelland Stanford University
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Computer%20vision%20class,%20%20fast-forward PowerPoint PPT Presentation
Computer%20vision%20class,%20%20fast-forward - Computer vision class, fastforward
Computer vision class, fastforward
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A%20Null-space%20Algorithm%20for%20Overcomplete%20ICA PowerPoint PPT Presentation
A%20Null-space%20Algorithm%20for%20Overcomplete%20ICA - A Null-space Algorithm for Overcomplete ICA. Ying Nian Wu ... Joint with Ray-Bing Chen. National Kaohsiung University. Plan. Independent component analysis ...
A Null-space Algorithm for Overcomplete ICA. Ying Nian Wu ... Joint with Ray-Bing Chen. National Kaohsiung University. Plan. Independent component analysis ...
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From Amoeba to Cognition Frankfurt Institute of Advanced Studies April 16, 2003 PowerPoint PPT Presentation
From Amoeba to Cognition Frankfurt Institute of Advanced Studies April 16, 2003 - From Amoeba to Cognition Frankfurt Institute of Advanced Studies April 16, 2003 Christoph von der Malsburg Institut f r Neuroinformatik und Fakult t f r Physik und ...
From Amoeba to Cognition Frankfurt Institute of Advanced Studies April 16, 2003 Christoph von der Malsburg Institut f r Neuroinformatik und Fakult t f r Physik und ...
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A Brain-Like Computer for Cognitive Applications: The Ersatz Brain Project PowerPoint PPT Presentation
A Brain-Like Computer for Cognitive Applications: The Ersatz Brain Project - Title: A Brain-Like Computer for Cognitive Applications: The Ersatz Brain Project Author: James A. Anderson Last modified by: James A. Anderson Created Date
Title: A Brain-Like Computer for Cognitive Applications: The Ersatz Brain Project Author: James A. Anderson Last modified by: James A. Anderson Created Date
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Representation and Modeling of Natural Scenes PowerPoint PPT Presentation
Representation and Modeling of Natural Scenes - Fit Sketch Model on S (ignoring c and e) Math representations of sketch. List: Bit-map: Causal model for sketch. Pairwise interactions. Soatto,Doretto,Wu, ICCV 2001 ...
Fit Sketch Model on S (ignoring c and e) Math representations of sketch. List: Bit-map: Causal model for sketch. Pairwise interactions. Soatto,Doretto,Wu, ICCV 2001 ...
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Learning sparse representations to restore, classify, and sense images and videos PowerPoint PPT Presentation
Learning sparse representations to restore, classify, and sense images and videos - Learning sparse representations to restore, classify, and sense images and videos
Learning sparse representations to restore, classify, and sense images and videos
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From Wavelet Sparse Coding PowerPoint PPT Presentation
From Wavelet Sparse Coding - From Wavelet Sparse Coding
From Wavelet Sparse Coding
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From Amoeba to Cognition Frankfurt Institute of Advanced Studies April 16, 2003 PowerPoint PPT Presentation
From Amoeba to Cognition Frankfurt Institute of Advanced Studies April 16, 2003 - A Model for the Ontogenesis of Retinotopy (Willshaw and ... Ontogenesis as a refinement of old cellular behavioral patterns. reproduction, differentiation ...
A Model for the Ontogenesis of Retinotopy (Willshaw and ... Ontogenesis as a refinement of old cellular behavioral patterns. reproduction, differentiation ...
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On Bubbles and Drifts: Continuous attractor networks in brain models PowerPoint PPT Presentation
On Bubbles and Drifts: Continuous attractor networks in brain models - CANNs can learn dynamic motor primitives. Stringer, Rolls, TT, de Araujo, ... Reviews, Vol. 1 (2003) Stabilization can be too strong. TT & Standage, CNS'04 ...
CANNs can learn dynamic motor primitives. Stringer, Rolls, TT, de Araujo, ... Reviews, Vol. 1 (2003) Stabilization can be too strong. TT & Standage, CNS'04 ...
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SPARSE CODES FOR NATURAL IMAGES PowerPoint PPT Presentation
SPARSE CODES FOR NATURAL IMAGES - SPARSE CODES FOR NATURAL IMAGES Davide Scaramuzza Human Primary Visual Cortex V1 (Hubel, Weisel, 1962-68 ) The human visual system, at the primary cortex (V1 ...
SPARSE CODES FOR NATURAL IMAGES Davide Scaramuzza Human Primary Visual Cortex V1 (Hubel, Weisel, 1962-68 ) The human visual system, at the primary cortex (V1 ...
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Several strategies for simple cells to learn orientation and direction selectivity PowerPoint PPT Presentation
Several strategies for simple cells to learn orientation and direction selectivity - Several strategies for simple cells to learn orientation and direction selectivity ... selective? orientation- selective? Lampl et al 01. Priebe & Ferster 05 ...
Several strategies for simple cells to learn orientation and direction selectivity ... selective? orientation- selective? Lampl et al 01. Priebe & Ferster 05 ...
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Compressive Structured Light for Recovering Inhomogeneous Participating Media PowerPoint PPT Presentation
Compressive Structured Light for Recovering Inhomogeneous Participating Media - Recent renaissance of sparse signal reconstruction. Sparse MRI. Image sparse representation ... a single high resolution image. High requirement of calibration ...
Recent renaissance of sparse signal reconstruction. Sparse MRI. Image sparse representation ... a single high resolution image. High requirement of calibration ...
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Spontaneous activity in V1: a probabilistic framework PowerPoint PPT Presentation
Spontaneous activity in V1: a probabilistic framework - Optimization criterion for the emergence of simple-cell ... Patterns of neural activities are similar in stimulus evoked condition and closed eye condition ...
Optimization criterion for the emergence of simple-cell ... Patterns of neural activities are similar in stimulus evoked condition and closed eye condition ...
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Lecture 9 Bag of Words models PowerPoint PPT Presentation
Lecture 9 Bag of Words models - Lecture 9 Bag of Words models
Lecture 9 Bag of Words models
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Population Coding Alexandre Pouget Okinawa Computational Neuroscience Course Okinawa, Japan November PowerPoint PPT Presentation
Population Coding Alexandre Pouget Okinawa Computational Neuroscience Course Okinawa, Japan November - The activity (# of spikes per second) of a neuron can be written as: ... that maximizes P(s|r), This is known as the maximum a posteriori estimate (MAP) ...
The activity (# of spikes per second) of a neuron can be written as: ... that maximizes P(s|r), This is known as the maximum a posteriori estimate (MAP) ...
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Vision and the statistics of the visual environment PowerPoint PPT Presentation
Vision and the statistics of the visual environment - Before hypothesis, look at the property of the natural signal. Spatial signals: Power spectra 1/f2 ... Statistical properties (1D signals) ...
Before hypothesis, look at the property of the natural signal. Spatial signals: Power spectra 1/f2 ... Statistical properties (1D signals) ...
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Understanding early visual coding from information theory PowerPoint PPT Presentation
Understanding early visual coding from information theory - Understanding early visual coding from information theory. By Li Zhaoping ... 1000x1000 pixels, 20 images per second --- many megabytes of raw data per second. ...
Understanding early visual coding from information theory. By Li Zhaoping ... 1000x1000 pixels, 20 images per second --- many megabytes of raw data per second. ...
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Introduction to Independent Component Analysis PowerPoint PPT Presentation
Introduction to Independent Component Analysis - Case study: ICA in the primary visual cortex. Hypothesis. Objections. Source separation ... E(S, Y) = S (yi - xi)2. Tries to find a faithful representation ...
Case study: ICA in the primary visual cortex. Hypothesis. Objections. Source separation ... E(S, Y) = S (yi - xi)2. Tries to find a faithful representation ...
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Part 1: Bagofwords models PowerPoint PPT Presentation
Part 1: Bagofwords models - ... brain; the cerebral cortex was a movie screen, so to speak, upon which the image ... Background: Hoffman 2001, Blei et al. 2004 ...
... brain; the cerebral cortex was a movie screen, so to speak, upon which the image ... Background: Hoffman 2001, Blei et al. 2004 ...
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From attention to goal-oriented scene understanding PowerPoint PPT Presentation
From attention to goal-oriented scene understanding - Note: The concept of minimal subscene has further linkages to the evolution of ... Task1: find the cars in the scene. Task2: find the buildings in the scene ...
Note: The concept of minimal subscene has further linkages to the evolution of ... Task1: find the cars in the scene. Task2: find the buildings in the scene ...
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From Theoretical Foundations to a Hierarchical Circuit for Selective Attention PowerPoint PPT Presentation
From Theoretical Foundations to a Hierarchical Circuit for Selective Attention - Neural Models of Visual Attention. John K. ... Department of Computer Science. University of Massachusetts at Boston ... Hernandez-Peon, Scherrer, Jouvet (1956) ...
Neural Models of Visual Attention. John K. ... Department of Computer Science. University of Massachusetts at Boston ... Hernandez-Peon, Scherrer, Jouvet (1956) ...
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Natural Visualization PowerPoint PPT Presentation
Natural Visualization - Visualization preference correlates with a property of the visual system ... Utility or aesthetics? More visual properties. Acknowledgements. Bruno Olshausen. Yue Wang ...
Visualization preference correlates with a property of the visual system ... Utility or aesthetics? More visual properties. Acknowledgements. Bruno Olshausen. Yue Wang ...
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SPARSE CODES FOR NATURAL IMAGES PowerPoint PPT Presentation
SPARSE CODES FOR NATURAL IMAGES - (Hubel, Weisel, 1962-68 ) The human visual system, at the primary cortex (V1) ... to understand such response properties of visual neurons has been to consider ...
(Hubel, Weisel, 1962-68 ) The human visual system, at the primary cortex (V1) ... to understand such response properties of visual neurons has been to consider ...
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Ecological Statistics of Good Continuation: Multiscale Markov Models for Contours PowerPoint PPT Presentation
Ecological Statistics of Good Continuation: Multiscale Markov Models for Contours - University of California. Berkeley. Ecological Statistics of Good Continuation: ... Magnitude of earthquakes. Population of cities. Word frequency in natural languages ...
University of California. Berkeley. Ecological Statistics of Good Continuation: ... Magnitude of earthquakes. Population of cities. Word frequency in natural languages ...
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MIT 6.899 Learning and Inference in Vision PowerPoint PPT Presentation
MIT 6.899 Learning and Inference in Vision - MIT 6.899. Learning and Inference in Vision. Prof. Bill Freeman, wtf@mit.edu. MW 2:30 4:00 ... We'll cover about 1 paper each class. ...
MIT 6.899. Learning and Inference in Vision. Prof. Bill Freeman, wtf@mit.edu. MW 2:30 4:00 ... We'll cover about 1 paper each class. ...
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PNUEUMOMEDIASTINUM AFTER CYBERKNIFE STEREOTACTIC RADIOSURGERY PowerPoint PPT Presentation
PNUEUMOMEDIASTINUM AFTER CYBERKNIFE STEREOTACTIC RADIOSURGERY - New therapeauticapprorachesforearaly stage non-small cell lung cancer. ... Lung Cancer 2003; 40:309-315. ... of Stage I Non-Small Cell Lung Cancer (NSCLC) ...
New therapeauticapprorachesforearaly stage non-small cell lung cancer. ... Lung Cancer 2003; 40:309-315. ... of Stage I Non-Small Cell Lung Cancer (NSCLC) ...
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Modelling Strategies in Functional Magnetic Resonce Imaging PowerPoint PPT Presentation
Modelling Strategies in Functional Magnetic Resonce Imaging - Modelling Strategies in Functional Magnetic Resonce Imaging
Modelling Strategies in Functional Magnetic Resonce Imaging
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Aprendizaje en Agente Aut PowerPoint PPT Presentation
Aprendizaje en Agente Aut - 'The central idea underlying goal-driven learning is that because the value of ... the learning process should be guided by reasoning about the information that ...
'The central idea underlying goal-driven learning is that because the value of ... the learning process should be guided by reasoning about the information that ...
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Nonlinearity in Primary Visual Cortex PowerPoint PPT Presentation
Nonlinearity in Primary Visual Cortex - ... texture patterns in area V1 of the alert macaque monkey. J Neurophys. ... stopping and the aperture problem: Two-dimensional motion signals in macaque V1. ...
... texture patterns in area V1 of the alert macaque monkey. J Neurophys. ... stopping and the aperture problem: Two-dimensional motion signals in macaque V1. ...
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Learning Representations PowerPoint PPT Presentation
Learning Representations - To learn the optimal parameters W, we seek to maximum the likelihood of ... a set of coefficients, {ai} is drawn according to a sparse prior (Cauchy or related) ...
To learn the optimal parameters W, we seek to maximum the likelihood of ... a set of coefficients, {ai} is drawn according to a sparse prior (Cauchy or related) ...
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Aprendizaje en Agente Autnomos PowerPoint PPT Presentation
Aprendizaje en Agente Autnomos - Las metas son importantes para guiar la actuaci n del aprendiz ... La nueva meta del aprendiz, en este caso, es maximizar la recompensa y minimizar ...
Las metas son importantes para guiar la actuaci n del aprendiz ... La nueva meta del aprendiz, en este caso, es maximizar la recompensa y minimizar ...
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Shifted Independent Component Analysis PowerPoint PPT Presentation
Shifted Independent Component Analysis - Example of activities obtained (black graph) when summing three components (gray, ... in the complex domain a gradient and Hessian can be derived and updated by an ...
Example of activities obtained (black graph) when summing three components (gray, ... in the complex domain a gradient and Hessian can be derived and updated by an ...
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