نتایج جستجو برای: unimodal component

تعداد نتایج: 621443  

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2013
Flavia Mancini

Editor's Note: These short, critical reviews of recent papers in the Journal, written exclusively by graduate students or postdoctoral fellows, are intended to summarize the important findings of the paper and provide additional insight and commentary. For more information on the format and purpose of the Journal Club, please see The concept of unisensory cortices has been challenged by growing...

2001
JENNIFER M. GROH

spatial correspondence A systematic relationship falling short of registry between the unimodal receptive field locations in individual multimodal neurons. Correspondence can also occur between the receptive fields of neighboring unimodal neurons that respond to different modalities. linear function A function f(x)1⁄4mx, wherem is a constant. Linear functions have the property of superimposibil...

2014
V. Arulalan N. Geetha V. Premanand Yu Wang Zaiwen Liu J. Gonzalez Rodriguez Sarat C. Dass Karthik Nandakumar

Multimodal biometrics system becomes an inexorable trend in future. Multimodal biometrics overcomes many drawbacks over unimodal biometrics. Some of the drawbacks are non-universality, noisy data and spoof attack. Multimodal biometric is more efficient and accurate than unimodal system. In this paper we present a multimodal biometric recognition system using Iris and finger Inner-knuckle print....

Journal: :CoRR 2012
Harbi AlMahafzah Maen Zaid AlRwashdeh

Most biometric systems deployed in real-world applications are unimodal. Using unimodal biometric systems have to contend with a variety of problems such as: Noise in sensed data; Intra-class variations; Inter-class similarities; Nonuniversality; Spoof attacks. These problems have addressed by using multibiometric systems, which expected to be more reliable due to the presence of multiple, inde...

Journal: :Developmental psychology 2007
Ross Flom Lorraine E Bahrick

This research examined the developmental course of infants' ability to perceive affect in bimodal (audiovisual) and unimodal (auditory and visual) displays of a woman speaking. According to the intersensory redundancy hypothesis (L. E. Bahrick, R. Lickliter, & R. Flom, 2004), detection of amodal properties is facilitated in multimodal stimulation and attenuated in unimodal stimulation. Later in...

2006
Man-Wai Ho

A Bayesian nonparametric method for unimodal densities on the real line is provided by considering a class of species sampling mixture models containing random densities that are unimodal and not necessarily symmetric. This class of densities generalize the model considered by Brunner (1992), in which the Dirichlet process is replaced by a more general class of species sampling models. A novel ...

Journal: :Journal of neuroscience methods 2005
Yoshinao Kajikawa Troy A Hackett

Although vector strength (VS) and the Rayleigh tests are widely used to quantify neuronal firing synchrony to cyclic events, their use is valid only for singly peaked, unimodal distributions. In this report, we propose a new method to quantify synchrony, applicable to both unimodal and multimodal distributions. We also propose a statistical test to examine temporal structure under a null hypoth...

2004
Gabriele Di Stefano Uwe T. Zimmermann

We extend results of Wagner [8] and Fomin, Kratsch, and Novelle [6] on monotone partitions of permutations. We show that partitioning a sequence of distinct integers into unimodal subsequences is NP-complete and that a minimum unimodal partition is 3.42-approximable in polynomial time.

1994
Marco Martens MARCO MARTENS

A distortion theory is developed for S−unimodal maps. It will be used to get some geometric understanding of invariant Cantor sets. In particular attracting Cantor sets turn out to have Lebesgue measure zero. Furthermore the ergodic behavior of S−unimodal maps is classified according to a distortion property, called the Markov-property.

2010
W. T. INGRAM James E. West

In this paper we characterize the existence of periodic points of odd period greater than one for unimodal mappings of an interval onto itself. The interesting juxtaposition of this condition with the occurrence in inverse limits of the well-known Brouwer-Janiszewski-Knaster continuum is explored. Also obtained is a characterization of indecomposability of certain inverse limits using a single ...

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