Sciweavers

ICASSP
2011
IEEE
13 years 3 months ago
Mixed norms with overlapping groups as signal priors
In a number of signal processing applications, problem formulations based on the 1 norm as a sparsity inducing signal prior lead to simple algorithms with good performance. Howeve...
Ilker Bayram
ICASSP
2011
IEEE
13 years 3 months ago
Detection of anomalous events from unlabeled sensor data in smart building environments
This paper presents a robust unsupervised learning approach for detection of anomalies in patterns of human behavior using multi-modal smart environment sensor data. We model the ...
Padmini Jaikumar, Aca Gacic, Burton Andrews, Micha...
ICASSP
2011
IEEE
13 years 3 months ago
Cross-language bootstrapping based on completely unsupervised training using multilingual A-stabil
This paper presents our work on rapid language adaptation of acoustic models based on multilingual cross-language bootstrapping and unsupervised training. We used Automatic Speech...
Ngoc Thang Vu, Franziska Kraus, Tanja Schultz
ICASSP
2011
IEEE
13 years 3 months ago
Closed-form expressions vs. BIC: A comparison for speaker clustering
In this paper, the use of closed-form expressions is compared to the BIC approximation, with respect to speaker clustering. We first show that the particular BIC setting which is...
Themos Stafylakis, Xavier Anguera Miró, Vas...
ICASSP
2011
IEEE
13 years 3 months ago
A new structure with spectrum-tuning of residual noise for active noise control
Typical active noise control (ANC) system aims primarily at reducing the acoustic noise over the entire frequency band. Non-uniformity of human hearing response in frequency domai...
Hua Bao, Issa M. S. Panahi
ICASSP
2011
IEEE
13 years 3 months ago
CYCLOP: A stereo color image quality assessment metric
—In this work, a reduced reference (RR) perceptual quality metric for color stereoscopic images is presented. Given a reference stereo pair of images and their ”distorted” ve...
Aldo Maalouf, Mohamed-Chaker Larabi
ICASSP
2011
IEEE
13 years 3 months ago
A new speaker identification algorithm for gaming scenarios
Speaker identification is a well-established research problem but has not been a major application used in gaming scenarios. In this paper, we propose a new algorithm for the ope...
Hoang Do, Ivan Tashev, Alex Acero
ICASSP
2011
IEEE
13 years 3 months ago
Fixed point iteration for max-min sir balancing with general interference functions
This paper studies the convergence of a fixed point iteration algorithm for the problem of max-min signal-to-interference ratio (SIR) balancing. Differently from the existing wor...
Nikola Vucic, Martin Schubert
ICASSP
2011
IEEE
13 years 3 months ago
Joint source-channel-network coding for bidirectional wireless relays
The application of joint source-channel coding, based on fountain codes, in the broadcast timeslot of wireless two-way network coding is investigated in this paper. A computationa...
Francois P. S. Luus, Bodhaswar T. Maharaj
ICASSP
2011
IEEE
13 years 3 months ago
Smart grid monitoring for intrusion and fault detection with new locally optimum testing procedures
The vulnerability of smart grid systems is a growing concern. Signal detection theory is employed here to detect a change in the system. We employ a discrete-time linear state spa...
Qian He, Rick S. Blum