Sciweavers

ICASSP
2010
IEEE
12 years 11 months ago
Temporally constrained SCA with applications to EEG data
In this paper we propose an iterative algorithm for solving the problem of extracting a sparse source signal when a reference signal for the desired source signal is available. In...
Nasser Mourad, James P. Reilly, Gary Hasey, Duncan...
ICASSP
2010
IEEE
12 years 11 months ago
Physical layer algorithm and hardware verification of MIMO relays using cooperative partial detection
Cooperative communication with multi-antenna relays can significantly increase the reliability and speed. However, cooperative MIMO detection would impose considerable complexity o...
Kiarash Amiri, Michael Wu, Melissa Duarte, Joseph ...
ICASSP
2010
IEEE
12 years 11 months ago
Direction-of-arrival and spatial signature estimation in antenna arrays with pairwise sensor calibration
In this paper, a new direction-of-arrival (DOA) estimation technique for partly calibrated arrays with pairwise calibrated sensors is proposed. Our approach is shown to substantia...
Pouyan Parvazi, Alex B. Gershman
ICASSP
2010
IEEE
12 years 11 months ago
Statistical hypothesis testing with time-frequency surrogates to check signal stationarity
An operational framework is developed for testing stationarity relatively to an observation scale. The proposed method makes use of a family of stationary surrogates for defining ...
Cédric Richard, André Ferrari, Hassa...
ICASSP
2010
IEEE
12 years 11 months ago
Seamlets: Content-aware nonlinear wavelet transform
With the rise of mobile media devices, resizing an image or video to fit a screen of arbitrary size has become an important topic. In general, arbitrary resizing does not preserve...
David D. Conger, Hayder Radha, Mrityunjay Kumar
ICASSP
2010
IEEE
13 years 1 months ago
Context-adaptive pixel based prediction for intra frame encoding
Intra prediction is one effective method to remove the spatial redundancies in intra frame coding. Better intra prediction will result in the residual with less energy, which will...
Yongbing Zhang, Li Zhang, Siwei Ma, Debin Zhao, We...
ICASSP
2010
IEEE
13 years 1 months ago
Loquendo-Politecnico di Torino system for the 2009 NIST Language Recognition Evaluation
This paper describes the system submitted by Loquendo and Politecnico di Torino (LPT) for the 2009 NIST Language Recognition Evaluation. The system is a combination of classifiers...
Fabio Castaldo, Daniele Colibro, Sandro Cumani, Em...
ICASSP
2010
IEEE
13 years 1 months ago
A supervisory approach to semi-supervised clustering
We propose a new approach to semi-supervised clustering that utilizes boosting to simultaneously learn both a similarity measure and a clustering of the data from given instancele...
Bryan Conroy, Yongxin Taylor Xi, Peter J. Ramadge
ICASSP
2010
IEEE
13 years 1 months ago
Mining actor correlations with hierarchical concurrence parsing
Mining actor correlations from TV series enables semanticlevel video understanding and facilitates users to conduct correlation-based query. In this paper, we introduce a graphbas...
Kun Yuan, Hongxun Yao, Rongrong Ji, Xiaoshuai Sun
ICASSP
2010
IEEE
13 years 2 months ago
Efficient online learning with individual learning-rates for phoneme sequence recognition
We describe a fast and efficient online algorithm for phoneme sequence speech recognition. Our method is using a discriminative training to update the model parameters one utteran...
Koby Crammer