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» Spectral Warping Revisited
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DELTA
2004
IEEE
15 years 1 months ago
Spectral Warping Revisited
Spectral warping is a time domain to time domain transformation on a signal that effectively warps the frequency content of the original signal. Here we present a matrix formulati...
Donald G. Bailey, Warwick Allen, Serge N. Demidenk...
DELTA
2006
IEEE
15 years 4 months ago
Harmonic Distortion Measurement using Spectral Warping
Harmonic distortion may be characterised by the proportion of energy of a sinusoidal signal transferred to the harmonics. Differential time scaling resulting from the spectral war...
Donald Bailey
DELTA
2002
IEEE
15 years 3 months ago
Test Chirp Signal Generation Using Spectral Warping
A DSP technique that transforms a digital signal by warping the frequency axis is discussed. The technique corresponds to a mapping of the samples in the z-domain such that they a...
Warwick Allen, Donald G. Bailey, Serge N. Demidenk...
ICCV
2007
IEEE
16 years 3 days ago
Noise Robust Spectral Clustering
This paper aims to introduce the robustness against noise into the spectral clustering algorithm. First, we propose a warping model to map the data into a new space on the basis o...
Zhenguo Li, Jianzhuang Liu, Shifeng Chen, Xiaoou T...
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ICASSP
2010
IEEE
14 years 10 months ago
Near-field adaptive beamforming and source localization in the spacetime frequency domain
We revisit the topics of near-field adaptive beamforming and source localization following an alternative approach based on a spatiotemporal spectral representation of the acoust...
Francisco Pinto, Martin Vetterli