نتایج جستجو برای: discriminate analysis
تعداد نتایج: 2842245 فیلتر نتایج به سال:
In order to discriminate different industrial machine sounds contaminated with perturbations (high noise, speech, etc.), a spectral analysis based on a structural pattern recognition technique is proposed. This approach consists of three steps: 1) to de-noise the machine sounds using the Morlet wavelet transform, 2) to calculate the frequency spectrums for these purified signals, and 3) to conv...
25 Although perceptual learning of simple visual features has been studied extensively and 26 intensively for many years, we still know little about the mechanisms of perceptual learning of 27 complex object recognition. In a series of seven experiments, human perceptual learning in 28 discrimination of in-depth orientation of face view was studied using psychophysical methods. We 29 trained su...
1 Laboratory of Experimental and Comparative Ethology, University Paris 13-Sorbonne Paris Cité, Villetaneuse, France, 2 Department of Life Sciences and Systems Biology, University of Turin, Turin, Italy, 3 UMR 7261 Centre National de la Recherche Scientifique, Institut de Recherche sur la Biologie de l’Insecte, Université François Rabelais, Tours, France, 4 Departments of Entomology and Chemist...
MicroRNAs are being exploited for diagnosis, prognosis and monitoring of cancer and other diseases. Their high tissue specificity and critical role in oncogenesis provide new biomarkers for the diagnosis and classification of cancer as well as predicting patients' outcomes. MicroRNAs signatures have been identified for many human tumors, including colorectal cancer (CRC). In most cases, metasta...
Listeners judged whether two sequentially presented major chords were the same. When both chords were based on the same root, listeners discriminated between different chord positions, e.g., root position, first inversion, second inversion. The ability of listeners to discriminate between chord positions suggests that harmonic equivalence of different chord positions does not depend on perceptu...
Short-term synaptic plasticity is modulated by long-term synaptic changes. There is, however, no general agreement on the computational role of this interaction. Here, we derive a learning rule for the release probability and the maximal synaptic conductance in a circuit model with combined recurrent and feedforward connections that allows learning to discriminate among natural inputs. Short-te...
Selective stopping paradigms address selectivity in controlled behavior, as subjects stop certain responses or responses to certain stimuli. The literature has discussed 2 strategies for selective stopping. First, selective stopping may prolong the stop process by adding a discrimination stage (Independent Discriminate then Stop). Second, selective stopping may involve stopping nonselectively a...
A new study shows that, when rats discriminate different textures using their whiskers, both spike-rate and spike-timing information in somatosensory cortex contribute to their perceptual decisions. An elegant information theory analysis shows these contributions to be complementary.
We show that neural network classifiers can be used to discriminate Higgs production from background at LHC for 150 < MH < 200 GeV. The results compare favourably with ordinary multivariate analysis.
In this paper we present a set of experiments in which mobile robots able to visually discriminate between different landmarks were obtained through artificial evolution. Individuals were evolved in simulation and then tested on the physical robot. Evolved individuals were able to visually navigate toward the right landmark and to solve the problem that often the sensory states are ambiguous (i...
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