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检索条件"机构=Computation and Neural Systems Program 139-74"
25 条 记 录,以下是11-20 订阅
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A model of early visual processing
A model of early visual processing
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11th Annual Conference on neural Information Processing systems, NIPS 1997
作者: Itti, Laurent Braun, Jocheri Lee, Dale K. Koch, Christof Computation and Neural Systems California Institute of Technology MSG 139-74 Pasadena CA 91125 United States
We propose a model for early visual processing in primates. The model consists of a population of linear spatial filters which interact through non-linear excitatory and inhibitory pooling. Statistical estimation theo... 详细信息
来源: 评论
Solvable model for spatiotemporal chaos
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Physical Review E 1998年 第1期57卷 388-388页
作者: R. O. Grigoriev H. G. Schuster []Condensed Matter Physics 114-36 and Neural Systems Program 139-74 California Institute of Technology Pasadena California 91125
We show that the dynamical behavior of a coupled map lattice where the individual maps are Bernoulli shift maps can be solved analytically for integer couplings. We calculate the invariant density of the system and sh...
来源: 评论
Floating-gate CMOS analog memory cell array
Floating-gate CMOS analog memory cell array
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IEEE International Symposium on Circuits and systems (ISCAS)
作者: R.R. Harrison P. Hasler B.A. Minch Computation and Neural Systems Program 139-74 California Institute of Technology NASA Pasadena CA USA Department of Electrical and Computer Engineering Georgia Institute of Technology Atlanta GA USA School of Electrical Engineering Cornell University Ithaca NY USA
The complexity of analog VLSI systems is often limited by the number of pins on a chip rather than by the die area. Currently, many analog parameters and biases are stored off chip. Moving parameter storage on chip co... 详细信息
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Control of chaos by oscillating feedback
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Physical Review E 1997年 第6期56卷 6410-6410页
作者: H. G. Schuster M. B. Stemmler Computation and Neural Systems Program California Institute of Technology 139-74 Pasadena California 91125
Parametric feedback control of chaos relies on detailed knowledge of the locations of unstable periodic orbits. We show that unstable periodic orbits of dynamical systems with unknown locations but known periodicity ... 详细信息
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Pinning Control of Spatiotemporal Chaos
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Physical Review Letters 1997年 第15期79卷 2795-2795页
作者: R. O. Grigoriev M. C. Cross H. G. Schuster Condensed Matter Physics 114-36 and Neural Systems Program 139-74 California Institute of Technology Pasadena California 91125
Linear control theory is used to develop an improved localized control scheme for spatially extended chaotic systems, which is applied to a coupled map lattice as an example. The optimal arrangement of the control sit...
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TOWARDS ARTICULATORY SPEECH RECOGNITION: LEARNING SMOOTH MAPS TO RECOVER ARTICULATOR INFORMATION  5
TOWARDS ARTICULATORY SPEECH RECOGNITION: LEARNING SMOOTH MAP...
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5th European Conference on Speech Communication and Technology, EUROSPEECH 1997
作者: Roweis, Sam Alwan, Abeer Computation and Neural Systems California Institute of Technology United States Department of Electrical Engineering University of California Los Angeles United States California Institute of Technology Mail Code 139-74 PasadenaCA91125 United States
We present a novel method for recovering articulator movements from speech acoustics based on a constrained form [9] of a hidden Markov model. The model attempts to explain sequences of high dimensional data using smo... 详细信息
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Towards the neuronal correlate of visual awareness
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CURRENT OPINION IN NEUROBIOLOGY 1996年 第2期6卷 158-164页
作者: Koch, C Braun, J Computation and Neural Systems Program 139-74 California Institute of Technology Pasadena California 91125 USA
Several encouraging developments towards identifying the neuronal correlate of visual awareness have emerged recently. Increasingly sophisticated behavioral paradigms permit the study of visual awareness in humans as ... 详细信息
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A single spike suffices: The simplest form of stochastic resonance in model neurons
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NETWORK-computation IN neural systems 1996年 第4期7卷 687-716页
作者: Stemmler, M Computation and Neural Systems California Institute of Technology 139-74 Pasadena CA 91125 USA
Input noise, defined as the root mean square of the fluctuations in the input, typically limits the performance of any system in engineering or biology. We show that three different performance measures scale identica...
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Control of Selective Visual Attention: Modeling the "Where" Pathway  8
Control of Selective Visual Attention: Modeling the "Where" ...
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8th International Conference on neural Information Processing systems, NIPS 1995
作者: Niebur, Ernst Koch, Christof Computation and Neural Systems 139-74 California Institute of Technology United States
Intermediate and higher vision processes require selection of a subset of the available sensory information before further processing. Usually, this selection is implemented in the form of a spatially circumscribed re... 详细信息
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Adaptive Retina with Center-Surround Receptive Field  8
Adaptive Retina with Center-Surround Receptive Field
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8th International Conference on neural Information Processing systems, NIPS 1995
作者: Liu, Shih-Chii Boahen, Kwabena Computation and Neural Systems 139-74 California Institute of Technology PasadenaCA91125 United States
Both vertebrate and invertebrate retinas are highly efficient in extracting contrast independent of the background intensity over five or more decades. This efficiency has been rendered possible by the adaptation of t... 详细信息
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