Sciweavers

ICASSP
2011
IEEE
12 years 11 months ago
Glottal inverse filtering using stabilised weighted linear prediction
This paper presents and evaluates an inverse filtering technique of the speech signal which is based on the Stabilized Weighted Linear Prediction (SWLP) of speech [1]. SWLP empha...
George P. Kafentzis, Yannis Stylianou, Paavo Alku
ICASSP
2011
IEEE
12 years 11 months ago
An evaluation of noise power spectral density estimation algorithms in adverse acoustic environments
Noise power spectral density estimation is an important component of speech enhancement systems due to its considerable effect on the quality and the intelligibility of the enhanc...
Jalal Taghia, Jalil Taghia, Nasser Mohammadiha, Ji...
ICASSP
2011
IEEE
12 years 11 months ago
A paired test for recognizer selection with untranscribed data
Traditionally, the use of untranscribed speech has been restricted to unsupervised or semi-supervised training of acoustic models. Comparison of recognizers has required labeled d...
Bhiksha Raj, Rita Singh, James Baker
ICASSP
2011
IEEE
12 years 11 months ago
Analyzing the performance of error-prone relay networks
In this paper, we provide a semi-analytical method for predicting the upper and lower bound of the end-to-end mutual information for a relay network with practical codes and diffe...
Sebastian Vorköper, Volker Kühn
ICASSP
2011
IEEE
12 years 11 months ago
Widely distributed MIMO radar beamforming for detecting targets with slow RCS fluctuations
In a widely distributed MIMO radar, the transmitters and the receivers are distributed so that they see a target from different aspects. The scattering from the target is therefor...
Tuomas Aittomaaki, Visa Koivunen
ICASSP
2011
IEEE
12 years 11 months ago
Versatile and portable DSP platform for learning embedded signal processing
This paper presents a versatile and portable digital signal processing (DSP) platform that is highly suitable for learning embedded signal processing anywhere and anytime. This DS...
Woon-Seng Gan, Abhishek Seth, Sen M. Kuo
ICASSP
2011
IEEE
12 years 11 months ago
A fast projected gradient optimization method for real-time perception-based clipping of audio signals
Clipping is a necessary signal processing operation in many realtime audio applications, yet it often reduces the sound quality of the signal. The recently proposed perception-bas...
Bruno Defraene, Toon van Waterschoot, Moritz Diehl...
ICASSP
2011
IEEE
12 years 11 months ago
Optimal structure of memory models for lossless compression of binary image contours
In this paper we study various chain codes, which are representations of binary image contours, in terms of their ability to compress in the best way the contour information using...
Ioan Tabus, Septimia Sarbu
ICASSP
2011
IEEE
12 years 11 months ago
Training design in single relay AF cooperative systems with correlated channels
In this paper, training design is studied for a single relay amplify-and-forward cooperative network. The taps of the frequency selective channels are assumed to be correlated and...
Christos Mavrokefalidis, Athanasios A. Rontogianni...
ICASSP
2011
IEEE
12 years 11 months ago
Grassmannian predictive coding for limited feedback multiuser MIMO systems
Grassmannian beamforming is an efficient way to quantize channel state information in multiple-input multiple-output wireless systems. Unfortunately, multiuser systems require la...
Takao Inoue, Robert W. Heath Jr.