Keyword: wavelets

Found 17 papers in total
A Comparison Study of Single-Scale and Multiscale Approaches for Data-Driven and Model-Based Online Denoising
A Comparison Study of Single-Scale and Multiscale Approaches for Data-Driven and Model-Based Online Denoising
2014,
Signal denoising is a pervasive operation in most online applications, such as...
Time‐scale energy based analysis of contours of real‐world shapes
Time‐scale energy based analysis of contours of real‐world shapes
2012,
This paper presents a novel approach for the local analysis of the contour of a planar...
Regularization methods for unknown source in space fractional diffusion equation
Regularization methods for unknown source in space fractional diffusion equation
2012,
We discuss determining the unknown steady source in a space fractional diffusion...
The traffic statics problem in a road network
The traffic statics problem in a road network
2012,
In this study we define and solve the traffic statics problem in an open...
The characterization of a class of multivariate MRA and semi‐orthogonal parseval frame wavelets
The characterization of a class of multivariate MRA and semi‐orthogonal parseval frame wavelets
2011,
Let A be a d × d expansive matrix with |det A |=2. This paper...
A new approach to the prediction of passenger flow in a transit system
A new approach to the prediction of passenger flow in a transit system
2011,
A non‐linear model is proposed for predicting the rate of passenger flow in a...
Legendre wavelets method for the nonlinear Volterra–Fredholm integral equations
Legendre wavelets method for the nonlinear Volterra–Fredholm integral equations
2005,
A numerical method for solving the nonlinear Volterra–Fredholm integral...
Wavelet Transform Method for Synthetic Generation of Daily Streamflow
Wavelet Transform Method for Synthetic Generation of Daily Streamflow
2011,
Synthetic generation of daily streamflow sequences is one of the most critical issues...
Analysis of two variants of a spatially distributed crop model, using wavelet transforms and geostatistics
Analysis of two variants of a spatially distributed crop model, using wavelet transforms and geostatistics
2008,
Models of crop yield are important for the assessment and optimization of agricultural...
Random Process Model for Urban Traffic Flow Using a Wavelet-Bayesian Hierarchical Technique
Random Process Model for Urban Traffic Flow Using a Wavelet-Bayesian Hierarchical Technique
2010,
The existing well-known short-term traffic forecasting algorithms require large...
Linear programming support vector regression with wavelet kernel: A new approach to nonlinear dynamical systems identification
Linear programming support vector regression with wavelet kernel: A new approach to nonlinear dynamical systems identification
2009,
Wavelet theory has a profound impact on signal processing as it offers a rigorous...
A two-stage classification procedure for near-infrared spectra based on multi-scale vertical energy wavelet thresholding and SVM-based gradient-recursive feature elimination
A two-stage classification procedure for near-infrared spectra based on multi-scale vertical energy wavelet thresholding and SVM-based gradient-recursive feature elimination
2009,
Near infrared (NIR) spectroscopy has been extensively used in classification problems...
Performance of a Wavelet-Based Spectral Procedure for Steady-State Simulation Analysis
Performance of a Wavelet-Based Spectral Procedure for Steady-State Simulation Analysis
2007,
A summary and an analysis are given for an experimental performance evaluation of...
Study on short-term forecasting for traffic flow based on wavelet analysis
Study on short-term forecasting for traffic flow based on wavelet analysis
2002,
Short-term forecasting for traffic flow is one of the key problems of traffic control...
Sparse orthogonal matrices and the Haar wavelet
Sparse orthogonal matrices and the Haar wavelet
2000,
The sparsity of orthogonal matrices which have a column of nonzeros is studied. It is...
Using wavelets to obtain a consistent ordinary least squares estimator of the long-memory parameter
Using wavelets to obtain a consistent ordinary least squares estimator of the long-memory parameter
1999,
We develop an ordinary least squares estimator of the long-memory parameter from a...
The multiresolution histogram
The multiresolution histogram
1997,
We introduce a new method for locally adaptive histogram construction that does not...
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