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189
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ICIP
2009
IEEE
16 years 7 months ago
2009
IEEE
We present a new image restoration method based on modelling the coefficients of an overcomplete wavelet response to natural images with a mixture of two Gaussian distributions, h...
253
Voted
SIGMOD
2008
ACM
16 years 7 months ago
2008
ACM
We present HERMES, a prototype system based on a powerful query language for trajectory databases, which enables the support of aggregative Location-Based Services (LBS). The key ...
118
Voted
ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
This paper addresses the problem of multi-pitch estimation, which consists in estimating the fundamental frequencies of multiple harmonic sources, with possibly overlapping partia...
166
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
Sampling error due to jitter, or noise in the sample times, affects the precision of analog-to-digital converters in a significant, nonlinear fashion. In this paper, a polynomial...
158
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ICASSP
2008
IEEE
16 years 1 months ago
2008
IEEE
Given limited or incomplete measurement data on a sphere, a new iterative algorithm is proposed on how to extrapolate signal over the whole sphere. The algorithm is based on a pri...