AIMC Topic: Computer Simulation

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Designing responsive pattern generators: stable heteroclinic channel cycles for modeling and control.

Bioinspiration & biomimetics Feb 25, 2015
A striking feature of biological pattern generators is their ability to respond immediately to multisensory perturbations by modulating the dwell time at a particular phase of oscillation, which can vary force output, range of motion, or other charac...
Feedback, Physiological Central Pattern Generators Neurons Biomimetics Humans Neural Networks, Computer Computer Simulation Animals Models, Neurological Action Potentials Models, Statistical
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Multi-scale textural feature extraction and particle swarm optimization based model selection for false positive reduction in mammography.

Computerized medical imaging and graphics : the official journal of the Computerized Medical Imaging Society Feb 24, 2015
The high number of false positives and the resulting number of avoidable breast biopsies are the major problems faced by current mammography Computer Aided Detection (CAD) systems. False positive reduction is not only a requirement for mass but also ...
False Positive Reactions Computer Simulation Sensitivity and Specificity Support Vector Machine Radiographic Image Enhancement Female Humans Breast Neoplasms Reproducibility of Results Radiographic Image Interpretation, Computer-Assisted Algorithms Models, Statistical Pattern Recognition, Automated Mammography
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A new modeling approach for quantifying expert opinion in the drug discovery process.

Statistics in medicine Feb 23, 2015
Expert opinion plays an important role when choosing clusters of chemical compounds for further investigation. Often, the process by which the clusters are assigned to the experts for evaluation, the so-called selection process, and the qualitative r...
Drug Industry Likelihood Functions Cluster Analysis Models, Statistical Expert Systems Computer Simulation Drug Discovery Humans
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On Extended Dissipativity of Discrete-Time Neural Networks With Time Delay.

IEEE transactions on neural networks and learning systems Feb 19, 2015
In this brief, the problem of extended dissipativity analysis for discrete-time neural networks with time-varying delay is investigated. The definition of extended dissipativity of discrete-time neural networks is proposed, which unifies several perf...
Humans Neural Networks, Computer Time Factors Algorithms Nonlinear Dynamics Computer Simulation
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A direct self-constructing neural controller design for a class of nonlinear systems.

IEEE transactions on neural networks and learning systems Feb 19, 2015
This paper is concerned with the problem of adaptive neural control for a class of uncertain or ill-defined nonaffine nonlinear systems. Using a self-organizing radial basis function neural network (RBFNN), a direct self-constructing neural controlle...
Algorithms Computer Simulation Feedback Nonlinear Dynamics Neural Networks, Computer
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Recurrent Neural Network for Computing the Drazin Inverse.

IEEE transactions on neural networks and learning systems Feb 18, 2015
This paper presents a recurrent neural network (RNN) for computing the Drazin inverse of a real matrix in real time. This recurrent neural network (RNN) is composed of n independent parts (subnetworks), where n is the order of the input matrix. These...
Neural Networks, Computer Humans Nonlinear Dynamics Algorithms Mathematical Concepts Computer Simulation
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Word-level language modeling for P300 spellers based on discriminative graphical models.

Journal of neural engineering Feb 16, 2015
OBJECTIVE: In this work we propose a probabilistic graphical model framework that uses language priors at the level of words as a mechanism to increase the performance of P300-based spellers.
Computer Simulation Language Electrocardiography Humans Algorithms Event-Related Potentials, P300 Communication Devices for People with Disabilities Brain-Computer Interfaces Word Processing Task Performance and Analysis Computer Graphics Models, Statistical Natural Language Processing
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Delay-dependent finite-time boundedness of a class of Markovian switching neural networks with time-varying delays.

ISA transactions Feb 13, 2015
In this paper, a novel method is developed for delay-dependent finite-time boundedness of a class of Markovian switching neural networks with time-varying delays. New sufficient condition for stochastic boundness of Markovian jumping neural networks ...
Nonlinear Dynamics Stochastic Processes Models, Statistical Markov Chains Neural Networks, Computer Algorithms Computer Simulation
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Prediction-for-CompAction: navigation in social environments using generalized cognitive maps.

Biological cybernetics Feb 13, 2015
The ultimate navigation efficiency of mobile robots in human environments will depend on how we will appraise them: merely as impersonal machines or as human-like agents. In the latter case, an agent may take advantage of the cooperative collision av...
Humans Pattern Recognition, Automated Social Environment Spatial Navigation Neural Networks, Computer Computer Simulation Cognition
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Adaptive Neural Network Dynamic Surface Control for a Class of Time-Delay Nonlinear Systems With Hysteresis Inputs and Dynamic Uncertainties.

IEEE transactions on neural networks and learning systems Feb 12, 2015
In this paper, an adaptive neural network (NN) dynamic surface control is proposed for a class of time-delay nonlinear systems with dynamic uncertainties and unknown hysteresis. The main advantages of the developed scheme are: 1) NNs are utilized to ...
Time Factors Nonlinear Dynamics Mechanical Phenomena Computer Simulation Feedback Uncertainty Humans Neural Networks, Computer Algorithms
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