... Trang 2class of rational-weighted first-order recurrent neural networks made up of Mc-Culloch and Pitts cells, and provide a refined classification of the networks of this class The classification ... hierarchical classification of neural net-works consists of a decidable pre-well ordering of width 2 and height ω ω, and a decidability procedure of this hierarchy is provided Notably, this classification ... Wadge classification theory from the automata-theoretic to the neural network context The obtained hierarchical classification of neural networks consists of a decidable pre-well ordering of width
Ngày tải lên: 28/04/2014, 09:49
... produces an output of the form 0 ∗ r((p b −1 (k) , q b −1 (k) ))0 ω . Proof. A straightforward generalization of the proof of Lemma 2. The next result now shows that any Σ 1 1 -set of {0, 1} ω can ... is Lipschitz of modulus 2. We now provide a complete characterization of the expressive power of the class of non-deterministic ω-ARNNs. More precisely, we prove that the class of ω-languages ... unbounded power (in the sense of being capable of recognizing all possible languages of {0, 1} + ) in exponential time of computation. And when restricted to polynomial time of computation, ARNNs are
Ngày tải lên: 28/04/2014, 09:49
Báo cáo hóa học: " Research Article Detect Key Gene Information in Classification of Microarray Data" docx
... They concluded the results of different methods, such as least 92.86% of squares support vector machine (LS-SVM), 94.40% of PCA, 93.58% of kernel PCA (KPCA), 94.65% of penalized independent component ... microarray expression experi- ments allow the recording of expression levels of thousands of genes simultaneously. These experiments primarily consist of either monitoring each gene multiple times under ... classification/prediction performance of these methods. They have observed that ensemble learning (bagged and boosted decision trees) often performs better than single decision trees in this classification
Ngày tải lên: 21/06/2014, 22:20
Báo cáo hóa học: " Research Article Kernel Principal Component Analysis for the Classification of Hyperspectral Remote Sensing Data over Urban Areas" ppt
... consists of the successive application of geodesic closing/opening transformations of increasing size An MP is composed of the opening profile (OP) and the closing profile (CP) The OP at pixel x of ... is part ofFigure 4(a) Profile from PC1 Profile from PC2 Combined profile Figure 2: Extended morphological profile of two images Each of the original profiles has 2 openings and 2 closings A circular ... PCA, the second contribution of this paper is the analysis of the pertinence of the features extracted with the KPCA in the construction of the extended morphological profile The article is organized
Ngày tải lên: 21/06/2014, 22:20
Báo cáo hóa học: " Research Article Functional Classification of Genome-Scale Metabolic Networks" potx
... number of randomly selected subsets of organisms of the same size For both, the potentially photosynthetic and the aerotolerant, organisms, less than 0.1% of randomly selected subsets of identical ... nutrient profiles In fact, the profile of Buchnera aphidicola predicts the essentiality of many nutri-ent types which are considered as typical for intracellular symbionts or parasites [8] The profile ... ensembles of species belonging to common environmental categories are analyzed The average distances and the fraction of small distances of the ensembles are compared to 10000 random sets of species of
Ngày tải lên: 22/06/2014, 00:20
Báo cáo hóa học: "Research Article Contextual Classification of Image Patches with Latent Aspect Models" pptx
... type of scene representation of increasing use is the histogram of quantized image patches, referred to as bag-of-visterms [14,15], bag-of-keypoints [16], bag-of-features [17], or bag-of-codewords ... number of vision tasks [2,6 9] Local invariant regions do not cover the complete image, but they often occupy a considerable part of the scene and divide most of the scene into patches of salient ... computed over different parts of the region of interest, capturing the structure of the local image patch In [5], it was shown that the use of 8 orientation directions and a grid of 4×4 parts give a good
Ngày tải lên: 22/06/2014, 00:20
Báo cáo hóa học: " Research Article Classification of Hazelnut Kernels by Using Impact Acoustic Time-Frequency Patterns" pot
... features with an error level of 3.5% by our pro-posed approach For the method of [7], 43 out of 70 time and frequency domain features provided the minimum Number of features 0 2 4 6 8 10 12 14 ... online processing, the throughput of the algorithm in terms of nuts processed per second depends on the number of features used in Trang 100 50 100 150 200 250Number of features 3 4 5 6 7 Unpruned ... 2303 of Proceedings of SPIE, pp 2–14, San Diego, Calif, USA, July 1994 [10] N F Ince, A H Tewfik, and S Arica, “Classification of move-ment EEG with local discriminant bases,” in Proceedings of
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Research Article Classification of Single and Multiple Disturbances in Electric Signals" ppt
... the incidence of several sets of classes of disturbances can be identified easily In fact, each of the vectors f, h, i, timp, tnot, tdec, and tdamare related to disjointed classes of distur-bances ... 2, 3, , the expressions of the diagonal slice of second- , third- , and fourthorder cumu-lant elements of a zero mean and stationary random vector z, which is assumed to be one of the vectors ... recognition of disturbance patterns composed of multi-ple disturbances cannot be an easy task to be accomplished as in the case of single disturbance ocurrence In fact, the incidence of more than
Ngày tải lên: 22/06/2014, 20:20
Báo cáo hóa học: " Supervised Self-Organizing Classification of Superresolution ISAR Images: An Anechoic Chamber Experiment" docx
... number of required neurons is minimized because all of them pull together to form the separating surface between each couple of classes However, the classification accuracy of those types of neural ... rotation and shift invariance of the feature vector 4 SART CLASSIFIER ART is basically a class of clustering methods A clustering algorithm maps a set of input vectors to a set of clusters ac-cording ... advantage of this type of configuration is the capability to achieve realistic measurements, to have a per-fect control of the target configuration, and to simplify the interpretation of the obtained
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: " Research Article Tracking Signal Subspace Invariance for Blind Separation and Classification of Nonorthogonal Sources in Correlated Noise" ppt
... example, when the noise is the result of the presence of a large number of weak sources that generate signal waveforms identical to those of the desired ones Recording of neuronal ensem-bles in the brain ... row space of Xj and that of X using the whitening-rotation factorization of A discussed above. Specifically, ifW(j)spans the null space of the product H T S, the corresponding rows of H T Sjwill ... the spectral factorization of Xjin (7), a necessary (but not sufficient) condition for a column of VX j to span the row space of Xj is the existence of at least one row of H TSjthat is nonzero with
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: " Research Article Automatic Genre Classification of Musical Signals" potx
... predominance of electric guitars and drums (a) Soft rock: slow and soft songs (e.g., Stairway to Heaven, Led Zeppelin) (b) Hard rock: songs of this genre have marked beating, strong presence of drums ... Electronic: most of the songs of this class have the pre-dominance of electronic elements, usually generated by synthesizers (1) Pop: the songs of this class are characterized by the presence of electronic ... value of feature f t in the framei of segment j, and I is the number of frames into a segment This summary feature aims to infer the behavior of extreme peaks with relation to the mean values of
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: " Research Article Classification of Underlying Causes of Power Quality Disturbances: Deterministic versus Statistical Methods" doc
... number of other issues that are easily forgotten in the design of a classifier The first is that the goal of the classification system must be well formulated: is it aimed at classifying the type of ... distinguishing the underlying causes of disturbances Section describes a rulebased expert system for classification of voltage disturbances, as an example of deterministic classification systems Next, Section ... Examples of rules The heart of the expert system consists of a set of rules, where the “real intelligence” by human experts is translated into “artificial intelligence” for computers Some example of
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: " Joint Tracking of Manoeuvring Targets and Classification of Their Manoeuvrability" docx
... weights than for the classification probabilities. This implies that the choice of importance function is less important, in terms of robust- ness of the estimation of the classification probabilities, ... replicants of a subset of some of the particles within the jth stratum, but that for each copy of the ith particle in the jth stratum, w (c|i, j) k is left unmodi- fied. 6. EXAMPLE 6.1. Model The classification ... award of his Industrial Fellowship by the... Department of Engineering, University of Cambridge His Ph.D degree was funded by one of six prestigious Royal Commission for the Exhibition of
Ngày tải lên: 23/06/2014, 01:20
Báo cáo toán học: "On the structure and classification of SOMAs: generalizations of mutually orthogonal Latin" docx
... of ∆ of weight-sum 10k with k > 3, but there are exactly 22 N -orbit representatives of the cliques of ∆ of weight-sum 30 In addition, it turns out that the union of the elements of each of ... unrefinable decomposition of A \ B Thus, the subSOMAs of A are precisely the (disjoint) unions of elements of {A1, , Am}, and so the intersection of two subSOMAs of A is a subSOMA Conversely, ... orbits graph of Γ with respect to H, as follows We have that v is a vertex of ∆ if and only if v is a H-orbit of vertices of Γ as well as a clique of Γ Furthermore, if v is a vertex of ∆ then its
Ngày tải lên: 07/08/2014, 06:20
Báo cáo toán học: "Classification of Six-Point Metrics Bernd Sturmfels and Josephine Yu" docx
... subsets of {1, 2, , n}. There is an extensive body of knowledge (see [5, 9]) also on the facets of the subcone of C n generated by the splits Our object of study is a canonical subdivision of the ... x23x56x14, x16x24x35i. The number of quadratic generators is 30, and this number is independent of the choice of generic metric The number of cubic generators of this particular ideal is three ... the number of cubic generators of the Stanley-Reisner ideal which involve i of the points And finally we list (g, t) where g is the order of the symmetry group and t is the number of types which
Ngày tải lên: 07/08/2014, 08:20
Báo cáo toán học: " Completion of the Wilf-Classification of 3-5 Pairs Using Generating Trees" pps
... equivalent if, for all n, the number of permutations of length n avoiding all of the permutations in Π 1 equals the number of permutations of length n avoiding all of the permutations in Π 2 . Using ... that π is of form 1B.Notethat there must be an occurrence of 2413 with π i playing the role of the 4, since any occurrence of 2413 must have its 4 to the right of region 1. If π is of form 2, ... #R31 8 π are of form 1A except the one resulting from inserting n to the left of π 1 , which is of form 2A. Proof. Inserting n anywhere to the left of π i+1 cannot create an occurrence of 42513,
Ngày tải lên: 07/08/2014, 13:21
Báo cáo toán học: "Classification of Generalized Hadamard Matrices H(6, 3) and Quaternary Hermitian Self-Dual Codes of Length 18" pdf
... is called an automorphism of C and the set of all automorphisms of C forms the Trang 8automorphism group Aut(C) of C The number of distinct Hermitian self-dual codes of length n is given [15] ... numbers A4 and A6 of codewords of weights 4 and 6, and the order # Aut of the automorphism group of Ci By [15, Theorem 13], the weight enumerator of a Hermitian self-dual code of length 18 and ... (4) are often called quaternary The Hermitian inner product of vectors x = (x1, , xn), y = (y1, , yn) ∈ GF (4)n is defined as x · y = n X i=1 The Hermitian dual code C⊥ of a code C of length
Ngày tải lên: 08/08/2014, 12:23
TimeML: Robust Specification of Event and Temporal Expressions in Text doc
... a delayed (underspecified) interpretation of partially determined temporal expressions. We demonstrate the expressiveness of TimeML for a broad range of syntactic and semantic contexts, including ... treatment of lexical and constructional causation in text. 1 Introduction The automatic recognition of temporal and event expressions in natural language text has recently become an active area of research ... CEO of Microsoft? b When did Iraq finally pull out of Kuwait during the war in the 1990s? c Did the Enron merger with Dynegy take place? What characterizes these questions as beyond the scope of
Ngày tải lên: 30/03/2014, 16:20
Báo cáo khoa học: "Unsupervised Detection of Downward-Entailing Operators By Maximizing Classification Certainty" docx
... smaller list of NPIs as a seed set 1 Begin with a small set of seed NPIs 2 Iterate: (a) Use the current list of NPIs to learn a list of DEOs (b) Use the current list of DEOs to learn a list of NPIs ... This initialization ofP (Xi = 1|y) ensures that the the value ofy corresponds to one of the words in the NPI context, and the initialization ofP (Y ) is simply a normalization ofS(y) Since we are ... to the distillation method of DLD09 In particular, the numerator of (17), which we just showed to be equal to the estimate ofP (Y ) given by (16), is exactly the sum of the responsibilities for
Ngày tải lên: 31/03/2014, 20:20
báo cáo hóa học:" Research Article Impact of Missing Value Imputation on Classification for DNA Microarray Gene Expression " ppt
... by row average (RAVG) These methods do not make use of the underlying correlation structure of the data and thus often perform poorly in terms of estimation accuracy Better imputation techniques ... nonmonotonicity and the lack of general trends in most of the plots By studying two real cancer datasets (SRBCT dataset with 83 samples of 4 tumor types, GLIOMA dataset with 50 samples of 4 glioma types), ... (columns) x i jdenotes the log-ratio of expression intensity of genei in sample j to the intensity of the same gene in the baseline sample.x i jconsists of the true signals i jplus additive noisee
Ngày tải lên: 21/06/2014, 20:20
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