feature extraction and linear mapping for signal representation

Báo cáo hóa học: " Research Article A Minimax Mutual Information Scheme for Supervised Feature Extraction and Its Application to EEG-Based Brain-Computer Interfacing" pot

Báo cáo hóa học: " Research Article A Minimax Mutual Information Scheme for Supervised Feature Extraction and Its Application to EEG-Based Brain-Computer Interfacing" pot

... approach for feature extraction which is based on mutual information The goal of mutual information-based feature extraction (MIFX) is to create new features from transforming the original features ... Minimax mutual information approach to feature extraction The optimal feature extraction requires creating a new feature set from the original features which jointly have largest F Oveisi and A Erfanian ... original feature set as the sample of continuous-valued random vector, and by discrete-valued random variable C the class labels The problem is to find a linear mapping W such that the transformed features...

Ngày tải lên: 21/06/2014, 22:20

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Báo cáo " Isolated Handwritten Vietnamese Character Recognition with Feature Extraction and Classifier Combination " docx

Báo cáo " Isolated Handwritten Vietnamese Character Recognition with Feature Extraction and Classifier Combination " docx

... Vietnamese handwritten recognition [9, 23] on both aspects of feature extraction and classifier combination Feature extraction 4.1 Gradient feature extraction The method of gradient feature extraction ... structural feature, and concavity extraction, each of which corresponds to a feature set Note that we also integrate all these three feature sets for the overall representation (called GSC the feature ... role for any systems because it provides knowledge resources for those systems For the work of text recognition, feature extraction aims to extract useful information from input images and represents...

Ngày tải lên: 14/03/2014, 13:20

17 345 0
nixon, m. s. (2002) feature extraction and image processing

nixon, m. s. (2002) feature extraction and image processing

... our parents To Gloria and to Joaquin Aguado, and to Brenda and the late Ian Nixon Feature Extraction and Image Processing Mark S Nixon Alberto S Aguado Newnes OXFORD AUCKLAND BOSTON JOHANNESBURG ... only since they contain enough information to perform feature extraction and image analysis Should the image be originally colour, we will 32 Feature Extraction and Image Processing (a) Original ... original signal If we collect together sinusoidal signals in amounts 36 Feature Extraction and Image Processing specified by the Fourier transform, then we should obtain the originally transformed signal...

Ngày tải lên: 18/04/2014, 12:28

360 769 0
Báo cáo toán học: " Automated target tracking and recognition using coupled view and identity manifolds for shape representation" pot

Báo cáo toán học: " Automated target tracking and recognition using coupled view and identity manifolds for shape representation" pot

... eigenspaces for visual learning of 3D objects, one for the identity and one for the pose The bilinear models [32] and tensor analysis [33] provide a more systematic multi-factor representation ... integrates the proposed model for shape interpolation and matching This new approach supports joint tracking and recognition for both known and unknown targets and achieves superior results compared ... tracking and recognition using coupled view and identity manifolds for shape representation EURASIP Journal on Advances in Signal Processing 2011 2011:124 Submit your manuscript to a journal and benefit...

Ngày tải lên: 20/06/2014, 21:20

17 323 0
Báo cáo hóa học: "Research Article Spectral Correlation of Multicarrier Modulated Signals and Its Application for Signal Detection" ppt

Báo cáo hóa học: "Research Article Spectral Correlation of Multicarrier Modulated Signals and Its Application for Signal Detection" ppt

... OFDM and FBMC signals By utilizing an LPTV model, we have derived the explicit formulas of nonconjugate and conjugate cyclic autocorrelation and spectral correlation functions for OFDM and FBMC signals, ... structure of the FBMC signal, the explicit formulas of nonconjugate and conjugate CAF and SCF with CS for FBMC signal are derived and CS can be accordingly easily inserted into the FBMC signal at some ... the Fourier transform of p(t) and r p1 (τ) is described as (51) The magnitudes of nonconjugate CAF and SCF of OQAM signal are shown in Figures and We unfortunately found that OQAM signal has very...

Ngày tải lên: 21/06/2014, 19:20

14 238 0
báo cáo hóa học:" Research Article Motion Pattern Extraction and Event Detection for Automatic Visual Surveillance" doc

báo cáo hóa học:" Research Article Motion Pattern Extraction and Event Detection for Automatic Visual Surveillance" doc

... 0.05 for the walking event, and 0.95 for the running event, since there is 95% probability for a value to be comprised between μ − 2σ and μ + 2σ where μ and σ are, respectively, the mean and the ... where Xi and Yi are the image location coordinates of feature i, Ai is the motion direction of feature i, and Mi is the motion magnitude of feature i It corresponds to the distance between feature ... frame t and its corresponding feature in frame t + This step also allows the removal of static and noise features Static features move less than a minimum magnitude By contrast, noise features...

Ngày tải lên: 21/06/2014, 20:20

15 325 0
Báo cáo sinh học: " Estimated breeding values and association mapping for persistency and total milk yield using natural cubic smoothing splines" pps

Báo cáo sinh học: " Estimated breeding values and association mapping for persistency and total milk yield using natural cubic smoothing splines" pps

... analysis and is different for each of the two traits, persistency and total milk yield The additive (ma) scores for a SNP with alleles A and B are given by -1 for genotype AA, for genotype AB and for ... models (for example allowing for splines for each cow) were simply too large to be fitted ( t −t i ) g i +1 + ( t i +1 −t ) g i where g and g are vectors of the gi and gi, respectively, and a1 and ... [12] and Togashi and Lyn [13] Cole and VanRaden [14] and Cole and Null [15] have shown that routine genetic evaluations are feasible for persistency Some of these methods assume one set day for...

Ngày tải lên: 14/08/2014, 13:21

13 269 0
analysis and linear algebra for finance  1

analysis and linear algebra for finance 1

... Click on the ad to read more Analysis and Linear Algebra for Finance: Part I Introduction Download free eBooks at bookboon.com Analysis and Linear Algebra for Finance: Part I Preliminaries Download ... free eBooks at bookboon.com Analysis and Linear Algebra for Finance: Part I Preliminaries Download free eBooks at bookboon.com Analysis and Linear Algebra for Finance: Part I Preliminaries Download ... Analysis and Linear Algebra for Finance: Part I Patrick ROGER LaRGE Research Center EM Strasbourg Business School University of Strasbourg Download free eBooks at bookboon.com Analysis and Linear...

Ngày tải lên: 05/11/2014, 13:31

127 266 0
analysis and linear algebra for finance 2

analysis and linear algebra for finance 2

... Analysis and Linear Algebra for Finance: Part II Vector spaces and linear mappings Download free eBooks at bookboon.com Analysis and Linear Algebra for Finance: Part II Vector spaces and linear mappings ... Introduction Vector spaces and linear mappings 1.1 Vector spaces: deinitions and general properties 1.2 Linear mappings 25 1.3 Finite-dimensional spaces and matrices 33 1.4 Norms and inner products 55 ... Analysis and Linear Algebra for Finance: Part II Patrick ROGER LaRGE Research Center EM Strasbourg Business School University of Strasbourg Download free eBooks at bookboon.com Analysis and Linear...

Ngày tải lên: 05/11/2014, 13:32

156 218 0
approaches to visual feature extraction and fire detection based on digital images

approaches to visual feature extraction and fire detection based on digital images

... and third moment x6   r 0 p(r ) * (r  m) of p(r) are two features and, L is the number of gray level in image , the fourth and fifth of textural features are x4=m2 and x5=m3 T For each candidate ... have sensors with different algorithms for color and illumination balancing, and therefore they may produce different images and video for the same scene For the above reasons, the research of ... have been used for fire detection based on computer vision Chapter 3, Visual feature extraction for fire detection, presents examining in detail some of visual features of fire region for early fire...

Ngày tải lên: 20/01/2015, 21:12

27 337 0
Feature selection and model selection for supervised learning algorithms

Feature selection and model selection for supervised learning algorithms

... of important ordinal information may result Aiming to provide good candidates of wrapper feature selection methods for MLP neural network and SVR, Chapters and propose new feature selection methods ... performance for learning algorithms are given For example, radius margin bound and span bound for SVM (2.1), without considering loss L(ζ ) and bias b, are firstly proposed by Vapnik [81] and ... of feature ranking usually contains two constituents: feature evaluation criterion and subset search strategy A feature evaluation criterion measures the importance of a feature or a set of features...

Ngày tải lên: 10/09/2015, 15:47

171 208 0
Báo cáo toán học: " DWT and LPC based feature extraction methods for isolated word recognition" pptx

Báo cáo toán học: " DWT and LPC based feature extraction methods for isolated word recognition" pptx

... of uniform wavelet decomposed LPC (UWLPC) feature extraction from subbands of uniform bandwidth The subbands are obtained by two-level wavelet packet decomposition [21] Then, the UWLPC feature ... coefficients and its temporal derivatives (first and second derivatives) were extracted and concatenated to form a final LPCC feature vector (this gives feature dimension 39) In MFCC feature extraction ... subbands of uniform decomposition similar to first type and were concatenated to form UWLPC feature vector In both the feature extraction types, we select LPC of order (as it gives the best performance)...

Ngày tải lên: 20/06/2014, 20:20

31 580 1
Báo cáo hóa học: "Research Article A Joint Time-Frequency and Matrix Decomposition Feature Extraction Methodology for Pathological Voice Classification" doc

Báo cáo hóa học: "Research Article A Joint Time-Frequency and Matrix Decomposition Feature Extraction Methodology for Pathological Voice Classification" doc

... distribution of the signal Such a TFD provides a high TF localization of the signal energy, and it is therefore a suitable TF representations for feature extraction from non-stationary signals In this ... parametrization of TFD for feature extraction and automatic classification have not been explicitly studied so far In this paper, we explore TF feature extraction for pathological signal classification ... where ftLF and ftHF are the input feature vectors, and THF and TLF are the total numbers of test feature vectors for HF and LF components, respectively Next, the number of all the features that...

Ngày tải lên: 21/06/2014, 19:20

11 223 0
Báo cáo hóa học: " Research Article Telescopic Vector Composition and Polar Accumulated Motion Residuals for Feature Extraction in Arabic Sign Language Recognition" pdf

Báo cáo hóa học: " Research Article Telescopic Vector Composition and Polar Accumulated Motion Residuals for Feature Extraction in Arabic Sign Language Recognition" pdf

... first tier of feature extraction The section also reviews two solutions for a second tier of feature extraction Lastly, we propose a two tier feature extraction scheme that combines the aforementioned ... propose two approaches for obtaining the feature vectors using prediction errors, namely: time-dependent and time-independent feature extraction schemes 3.2.1 Time-dependent feature extraction Figure ... Table FEATURE EXTRACTION SCHEMES Two solutions for feature extraction schemes are proposed: motion estimation and motion residuals Both solutions are discussed with respect to two different extraction...

Ngày tải lên: 22/06/2014, 19:20

10 314 0
Báo cáo hóa học: " Editorial MultiSensor Processing for Signal Extraction and Applications" doc

Báo cáo hóa học: " Editorial MultiSensor Processing for Signal Extraction and Applications" doc

... adaptive beamforming techniques for source signal estimation and by a joint audio-video method for source localization), and one (by S Pandya et al.) studying dipole localization and tracking ... an Associate Editor for the IEEE Signal Processing Letters, an Associate Editor for the IEEE Trans Circuits and Systems II, and a Guest Editor of EURASIP Journal on Applied Signal Processing, ... of EURASIP Signal Processing Journal, and a member of Technical Committee on Signal Processing Theory and Methods of IEEE Signal Processing Society Ta-Sung Lee received the B.S degree form National...

Ngày tải lên: 22/06/2014, 23:20

3 290 0
Báo cáo hóa học: "The Catchment Feature Model: A Device for Multimodal Fusion and a Bridge between Signal and Sense" potx

Báo cáo hóa học: "The Catchment Feature Model: A Device for Multimodal Fusion and a Bridge between Signal and Sense" potx

... to aid in recognition of hands and specific fingers The colored regions are extracted for each frame to obtain hand positions and shapes, which form the feature vector For connected signs, the authors ... this point, the nondominant hand enters the scene and both hands join forces assuming the The Catchment Feature Model: A Device for Multimodal Fusion G-hand pose and pointing emphatically at ... value of the hand position, we are computing lateral symmetry) Equation (1) yields the global property between left-hand signal and right-hand signal To obtain local symmetry information, we...

Ngày tải lên: 23/06/2014, 01:20

18 326 0
Báo cáo sinh học: "Linear models for joint association and linkage QTL mapping" ppt

Báo cáo sinh học: "Linear models for joint association and linkage QTL mapping" ppt

... simulations for the "drift" scenario and Tables and for the "admixture" scenario In the "drift" scenario, LA and IBD methods are biased for the cM scenario, and the IBD method is biased for the 20 ... variance we apply (19) For founders, var2 iances are σ a3 for the first gamete in 1, σ a2 for the sec2 ond, σ a4 for the first gamete in 2, and so on For non- founders, let consider for example gamete ... http://www.gsejournal.org/content/41/1/43 mapping" explicitly present two linear models (HaleyKnott type regression for half-sib families and a general mixed model for a general pedigree) and the statistical tests...

Ngày tải lên: 14/08/2014, 13:21

17 384 0
Tài liệu Báo cáo khoa học: "Word representations: A simple and general method for semi-supervised learning" doc

Tài liệu Báo cáo khoa học: "Word representations: A simple and general method for semi-supervised learning" doc

... preferable for certain tasks Lin and Wu (2009) finds that the representations that are good for NER are poor for search query classification, and vice-versa We apply clustering and distributed representations ... the feature generation code, so one can easily add new features We use SGD optimization, and enable negative state features and negative transition features ( feature. possible transitions=1, feature. possible ... shows the features in the baseline chunker As you can see, the Brown and embedding features are unigram features, and not participate in conjunctions like the word features and tag features Koo...

Ngày tải lên: 20/02/2014, 04:20

11 688 0
Tài liệu Báo cáo khoa học: "A Mobile Touchable Application for Online Topic Graph Extraction and Exploration of Web Content" ppt

Tài liệu Báo cáo khoa học: "A Mobile Touchable Application for Online Topic Graph Extraction and Exploration of Web Content" ppt

... user can explore in an uniform way both new information nuggets and validated background information nuggets interactively Fig summarizes the main components and the information flow Figure 1: Blueprint ... prefer the result representation and accuracy in the Google style Especially for the general themes the presentation of web snippets is more convenient and more easy to understand However when ... on such a node expands it, as shown in Fig A single touch on a node that cannot be expanded adds its label to the initial user query and triggers a new search with that expanded query Figure...

Ngày tải lên: 20/02/2014, 05:20

6 458 0
Tài liệu Báo cáo khoa học: "Answer Extraction, Semantic Clustering, and Extractive Summarization for Clinical Question Answering" pdf

Tài liệu Báo cáo khoa học: "Answer Extraction, Semantic Clustering, and Extractive Summarization for Clinical Question Answering" pdf

... Hauser, D Demner-Fushman, G Ford, and G Thoma 2004 PubMed on Tap: Discovering design principles for online information delivery to handheld computers In MEDINFO 2004 M Hearst and J Pedersen 1996 Reexaming ... judgments for the three experimental conditions For baseline PubMed, 20% of the examined drugs fell in the beneficial category; the values are 39% for the Cluster condition and 40% for the Oracle ... Elhadad, and V Hatzivassiloglou 2003 Leveraging a common representation for personalized search and summarization in a medical digital library In JCDL 2003 A Aronson 2001 Effective mapping of...

Ngày tải lên: 20/02/2014, 12:20

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