711 search results - page 1 / 143 » On multivariate estimation by thresholding |
ICIP
2003
IEEE
14 years 6 months ago
2003
IEEE
Despite their simplicity, scalar threshold operators effectively remove additive white Gaussian noise from wavelet detail coefficients of many practical signals. This paper explor...
MA
2010
Springer
13 years 3 months ago
2010
Springer
Abstract: This paper deals with the problem of multivariate copula density estimation. Using wavelet methods we provide two shrinkage procedures based on thresholding rules for whi...
ICASSP
2009
IEEE
13 years 11 months ago
2009
IEEE
—Instantaneous frequency rate (IFR) estimation for high-order polynomial phase signals (PPSs) is considered. Specifically, an IFR estimator with only a second-order nonlinearity ...
CSDA
2010
13 years 4 months ago
2010
Geometric quantiles are investigated using data collected from a complex survey. Geometric quantiles are an extension of univariate quantiles in a multivariate set-up that uses th...
CVPR
1997
IEEE
13 years 9 months ago
1997
IEEE
The surface growing framework presented by Besl and Jain [2] has served as the basis for many range segmentation techniques. It has been augmented with alternative fitting techni...