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ICASSP
2008
IEEE
10 years 2 months ago
Universal switching portfolios under transaction costs
In this paper, we consider online (sequential) portfolio selection in a competitive algorithm framework under transaction costs. We construct a sequential algorithm for portfolio ...
Suleyman Serdar Kozat, Andrew C. Singer
ICASSP
2008
IEEE
10 years 2 months ago
Speech enhancement using a pitch predictive model
In this paper we present two new methods for speech enhancement based on the previously publised ne pitch model (FPM) for voiced speech. The rst method (FPM-NE) uses the FPM to pr...
Luis Buera, Jasha Droppo, Alex Acero
ICASSP
2008
IEEE
10 years 2 months ago
Sentence segmentation and punctuation recovery for spoken language translation
Sentence segmentation and punctuation recovery are critical components for effective spoken language translation (SLT). In this paper we describe our recent work on sentence segme...
Matthias Paulik, Sharath Rao, Ian R. Lane, Stephan...
ICASSP
2008
IEEE
10 years 2 months ago
OFDM for underwater acoustic communications: Adaptive synchronization and sparse channel estimation
A phase synchronizationmethod, which provides non-uniform frequency offset compensation needed for wideband OFDM [1], is coupled with low-complexity channel estimation in the time...
Milica Stojanovic
ICASSP
2008
IEEE
10 years 2 months ago
Overlapped speech detection for improved speaker diarization in multiparty meetings
State-of-the-art speaker diarization systems for meetings are now at a point where overlapped speech contributes significantly to the errors made by the system. However, little i...
Kofi Boakye, B. Trueba-Hornero, Oriol Vinyals, Ger...
ICASSP
2008
IEEE
10 years 2 months ago
LSF mapping for voice conversion with very small training sets
To make voice conversion usable in practical applications, the number of training sentences should be minimized. With traditional Gaussian mixture model (GMM) based techniques sma...
Elina Helander, Jani Nurminen, Moncef Gabbouj
ICASSP
2008
IEEE
10 years 2 months ago
Insights into the stable recovery of sparse solutions in overcomplete representations using network information theory
In this paper, we examine the problem of overcomplete representations and provide new insights into the problem of stable recovery of sparse solutions in noisy environments. We es...
Yuzhe Jin, Bhaskar D. Rao
ICASSP
2008
IEEE
10 years 2 months ago
Distributed compressed sensing: Sparsity models and reconstruction algorithms using annihilating filter
Consider a scenario where a distributed signal is sparse and is acquired by various sensors that see different versions. Thus, we have a set of sparse signals with both some commo...
Ali Hormati, Martin Vetterli
ICASSP
2008
IEEE
10 years 2 months ago
ITU-T G.EV-VBR baseline codec
We present the G.EV-VBR winning candidate codec recently selected by Question 9 of Study Group 16 (Q9/16) of ITU-T as a baseline for the development of a scalable solution for wid...
Milan Jelinek, Tommy Vaillancourt, A. Erdem Ertan,...
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