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kernel pca

A comparison study of three nonlinear multivariate data analysis methods in smartongue: Kernel PCA, LLE and Sammon Mapping

A comparison study of three nonlinear multivariate data analysis methods in smartongue: Kernel PCA, LLE and Sammon Mapping

... methods, Kernel PCA with three kernel functions [12], Local Linear Embedding (LLE) [13] and Sammon mapping [14], in dealing with the data measured by a voltammetric electronic tongue, ...

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A Novel and Fast Approach for Population Structure Inference Using Kernel-PCA and Optimization

A Novel and Fast Approach for Population Structure Inference Using Kernel-PCA and Optimization

... Although great effort has been put into the development of powerful tools for deriving the number K of founders of a population dataset, inferring that number is still a formi- dable statistical and computational ...

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Semi supervised training of a Kernel PCA Based Model for Word Sense Disambiguation

Semi supervised training of a Kernel PCA Based Model for Word Sense Disambiguation

... We have proposed a new composite semi-supervised WSD model based on the Kernel PCA technique, that employs both supervised and semi-supervised compo- nents. This strategy allows us to combine large amounts ...

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Adaptive example-based super-resolution using kernel PCA with a novel classification approach

Adaptive example-based super-resolution using kernel PCA with a novel classification approach

... Conventionally, learning-based SR methods using princi- pal component analysis (PCA) have been proposed for face hallucination [19]. Furthermore, by applying kernel methods to the PCA, Chakrabarti et ...

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Model-free Nonconvex Matrix Completion: Local Minima Analysis and Applications in Memory-efficient Kernel PCA

Model-free Nonconvex Matrix Completion: Local Minima Analysis and Applications in Memory-efficient Kernel PCA

... This work studies low-rank approximation of a positive semidefinite matrix from partial entries via nonconvex optimization. We characterized how well local-minimum based low- rank factorization approximates a fixed ...

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A Kernel PCA Method for Superior Word Sense Disambiguation

A Kernel PCA Method for Superior Word Sense Disambiguation

... This work represents, to the best of our knowl- edge, the first application of Kernel PCA to a true natural language processing task. We have shown that a KPCA-based model can significantly outperform ...

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Naive Bayes Classification Based Facial Expression Recognition With Kernel PCA Features

Naive Bayes Classification Based Facial Expression Recognition With Kernel PCA Features

... Recognition tests were performed on the Cohn-Kanade Dataset. It has been shown that fitting polynomial distribution to the histogram of images combined with Kernel PCA along with Naïve Bayes Classifier ...

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On the Eigenspectrum of the Gram matrix and the generalisation error of kernel PCA

On the Eigenspectrum of the Gram matrix and the generalisation error of kernel PCA

... A number of learning algorithms rely on estimating spectral data on a sample of training points and using this data as input to further analyses. For example in Principal Component Anal- ysis (PCA) the subspace ...

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Improving Word Embeddings Using Kernel PCA

Improving Word Embeddings Using Kernel PCA

... a kernel PCA computed on word similarity matrices, generated using a string similarity func- tion, for words in a vocabulary and then inject- ing the pre-trained embeddings in the Word2Vec and fastText ...

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Iterative Kernel PCA based Classification of Retinal Images for Diabetic Macular Edema

Iterative Kernel PCA based Classification of Retinal Images for Diabetic Macular Edema

... Figure 1. Flow diagram of the proposed work The rest of this paper is organized as follows: Section III deals with the retinal image database and image pre- processing techniques, Section IV comprises the feature ...

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Kernel PCA feature extraction and the SVM classification algorithm for multiple status, through wall, human being detection

Kernel PCA feature extraction and the SVM classification algorithm for multiple status, through wall, human being detection

... of kernel principal component analysis (KPCA) feature extraction and the support vector machine (SVM) classification algorithm are applied to identify and classify the multiple statuses of through-wall human being ...

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One-class kernel subspace ensemble for medical image classification

One-class kernel subspace ensemble for medical image classification

... Although the proposed system has shown promising results with respect to the biopsy image classification task, there are still some aspects that need to be further inves- tigated. The benchmark images used in this work ...

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A Novel Approach on Signal Biometric Identification System- Using the Fusion of Palmprint and Speech Signal

A Novel Approach on Signal Biometric Identification System- Using the Fusion of Palmprint and Speech Signal

... Wavelet-based kernel PCA approach was used for palmprint feature extraction and Subband Decomposition via Wavelet Packets was used for Speech signal feature ...

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Title: Evolving Neural Network for Kernel Principal Component Analysis

Title: Evolving Neural Network for Kernel Principal Component Analysis

... the PCA, considering the non-linear internal data structure and providing a optimal nonlinear projection of data on the principal ...of kernel PCA had been used the ideas underlying the radial-basis ...

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Crop detection and positioning in the field using discriminant analysis and neural networks based on shape features

Crop detection and positioning in the field using discriminant analysis and neural networks based on shape features

... to kernel PCA [10]. Kernel PCA first maps the nonlinear features to linear space and then PCA is applied to separate the image features (solves nonlinearity ...The PCA ...

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Identification of nonlinear systems using generalized kernel models

Identification of nonlinear systems using generalized kernel models

... standard kernel modeling ap- ...generalized kernel model for nonlinear systems, in which each kernel regressor has an individually tuned diagonal covariance ...eralized kernel regression model ...

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C-Support Vector Classification the Estimation of the MS Subgroups Classification with Selected Kernels and Parameters

C-Support Vector Classification the Estimation of the MS Subgroups Classification with Selected Kernels and Parameters

... MR images and EDSS scores of have been utilized in our study while carrying out the di- agnosis. MRI results are evaluated by examining the lesion counts and EDSS scores. LibSVM, multiclass library of SVM supervised ...

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Kernel Mean Shrinkage Estimators

Kernel Mean Shrinkage Estimators

... reproducing kernel Hilbert space (RKHS), or a kernel mean, is central to kernel methods in that it is used by many classical algorithms such as kernel principal component analysis, and it also ...

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Reduces Solution of Fredholm Integral Equation to a System of Linear Algebraic Equation

Reduces Solution of Fredholm Integral Equation to a System of Linear Algebraic Equation

... of kernel of integral equations like iterated kernel, symmetric , different and Resolved kernel and to determine the Resolved kernel for Fredholm integral equation (FIE) and Volterra integral ...

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Super Sparse Convolutional Neural Networks

Super Sparse Convolutional Neural Networks

... ent stages of the Shift-Net and SSC filters are shown in Figure 6. The smaller the covariance, the sparser the filters are. From the Figure 6d, 6e and 6f, the SSC filters obtain an evident block diagonal sparsity, which ...

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