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Unsupervised Spectral Substraction for Noise-Robust ASR

Hervé Bourlard, Guillaume Lathoud, Bertrand Mesot

This paper proposes a simple, computationally efficient \mbox{2-mixture} model approach to discriminate between speech and background noise at the magnitude spectrogram level. It is directly derived from observations on real data, and can be used in a full ...

IDIAP2005

Novel topotactic conversion of an organically templated vanadyl phosphate framework into layered structures

Philippe Buffat

This paper reports a novel topotactic exchange reaction of the ethylenediammonium intercalated mixed-valent vanadyl phosphate, (H3NCH2CH2NH3)0.5[V4+0.45V5+0.55O2PO4{P(OH)2}0.483], with monovalent cations at room temperature. Alkali metal ions and other mon ...

2005

Indoor Navigation Enhanced by Map-Matching

Pierre-Yves Gilliéron, Bertrand Merminod

In this paper, we present the development and the implementation of algorithms to access map databases by a user equipped with a pedestrian navigation system. ...

2005

Sensor networks under regulatory power constraints

Michael Christoph Gastpar

Power constraints are often motivated by the physical limitations of the transmitting device (battery power etc.). However, a different source of power constraints is the regulatory framework imposed by authorities such as the United States FCC. Specifical ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2005

Postal Sector Overview and Dynamics

Matthias Finger, Patrick Mollet

This paper analyzes the change in the postal sector over the past 20 years and in particular the strategic drivers that are transforming the postal services industries such as institutional, market and technological developments. Taking the argument from h ...

2005

L-lysine dendronized polystyrene

Harm-Anton Klok

This paper reports the synthesis and characterization of a novel class of dendronized polymers which are based on styrene functionalized dendritic L-lysine macromonomers. Free radical polymerization of zeroth and first generation macromonomers afforded den ...

2005

Jurdzinski-ing Rabin and Streett

In this paper we give a recursive fixpoint characterization of the winning regions in Rabin and Streett games. We use this characterization in two ways. First, we introduce direct Rabin and Streett ranking that are a sound and complete way to characterize ...

2005

Spreadsheet Framework for Visual Exploration of Biomedical Datasets

Daniel Thalmann, Ronan Boulic, Sofiane Sarni, Anderson Maciel

In this paper, we present our spreadsheet framework, which uses a spreadsheet-likeinterface for exploring biomedical datasets. The principles and advantages of this classof visualization systems are illustrated, and a case study for the analysis of hip joi ...

2005

PID Controller Design with Specifications on the Infinity-Norm of Sensitivity Functions

Alireza Karimi, Roland Longchamp, Daniel Garcia

A controller design method using a frequency criterion is proposed in this paper. The frequency criterion is defined as the weighted sum of squared errors between the specified and computed values of the design parameters. These are the infinity-norm of th ...

2005

Steady-State Performance of Convex Combinations of Adaptive Filters

Ali H. Sayed

Combination approaches can improve the performance of adaptive schemes. In this paper, we study the steady-state performance of an adaptive convex combination of transversal filters and show its universality in the sense that the combination performs, in s ...

IEEE2005