15 search results - page 1 / 3 » Linear Projection based on Noise Variance Estimation - Appli... |
TASLP
2008
13 years 4 months ago
2008
This paper considers estimation of the noise spectral variance from speech signals contaminated by highly nonstationary noise sources. The method can accurately track fast changes ...
DSP
2008
13 years 5 months ago
2008
The sinusoidal frequency estimation from short data records based on Toeplitz autocorrelation (AC) matrix estimates suffer from the dependence on the initial phases of the sinusoi...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Hyperspectral imaging analysis aims at the estimation of the number of constituent substances, known as endmembers, their spectral signatures as well as their abundance fractions ...
ISCAS
2011
IEEE
12 years 8 months ago
2011
IEEE
—Linearity and spectral performance test contributes most cost of ADC test. This paper presents a new method for testing an ADC’s SNR from its linearity test data. The method d...
TMI
2008
13 years 4 months ago
2008
Abstract--This paper introduces and analyzes a linear minimum mean square error (LMMSE) estimator using a Rician noise model and its recursive version (RLMMSE) for the restoration ...