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ICASSP
2011
IEEE
13 years 8 days ago
Design of multipole loudspeaker array based on spherical harmonic expansion
We investigated the multipole loudspeaker array based on spherical harmonic expansion in the Cartesian coordinate system. The arrangement of the multipoles with the least number o...
Yoichi Haneda, Ken'ichi Furuya, Hiroaki Itou
ICASSP
2011
IEEE
13 years 8 days ago
Gear scale estimation for synthetic speed pulse generation
In a motorized vehicle a number of easily measurable signals with frequency components related to the rotational speed of the engine can be found, e.g., vibrations, electrical sys...
John-Olof Nilsson, Isaac Skog, Alessio De Angelis,...
ICASSP
2011
IEEE
13 years 8 days ago
Marker-based Hierarchical Segmentation and classification approach for hyperspectral imagery
The Hierarchical SEGmentation (HSEG) algorithm, which is a combination of hierarchical step-wise optimization and spectral clustering, has given good performances for hyperspectra...
Yuliya Tarabalka, James C. Tilton, Jon Atli Benedi...
ICASSP
2011
IEEE
13 years 8 days ago
Maximum likelihood adaptation of histogram equalization with constraint for robust speech recognition
In this paper, we propose a novel feature space adaptation technique to improve the robustness of speech recognition in noisy environments. Histogram equalization (HEQ) is an effe...
Xiong Xiao, Jinyu Li, Engsiong Chng, Haizhou Li
ICASSP
2011
IEEE
13 years 8 days ago
Bayesian topic models for describing computer network behaviors
We consider the use of Bayesian topic models in the analysis of computer network traffic. Our approach utilizes latent Dirichlet allocation and time-varying dynamic latent Dirich...
Christopher Cramer, Lawrence Carin
ICASSP
2011
IEEE
13 years 8 days ago
Image filtering: Potential efficiency and current problems
The paper contains comparisons of lower bound (potential) and achieved efficiency for filtering grayscale and color images corrupted by AWGN. It is demonstrated that for complex s...
Vladimir V. Lukin, Sergey K. Abramov, Nikolay N. P...
ICASSP
2011
IEEE
13 years 8 days ago
Data aided phase tracking and symbol detection for CPM in frequency-flat fading channel
In this paper, a novel receiver for joint data detection and channel tracking on continuous phase modulation (CPM) operating under a frequency-flat time-varying Rayleigh fading c...
Wenwen Wang, Saman S. Abeysekera
ICASSP
2011
IEEE
13 years 8 days ago
Structural MAP adaptation in GMM-supervector based speaker recognition
In recent years, adaptation techniques have been given special focus in speaker recognition tasks, mainly targeting speaker and session variation disentangling under the Maximum a...
Marc Ferras, Koichi Shinoda, Sadaoki Furui
ICASSP
2011
IEEE
13 years 8 days ago
Improved spoken term detection with graph-based re-ranking in feature space
This paper presents a graph-based approach for spoken term detection. Each first-pass retrieved utterance is a node on a graph and the edge between two nodes is weighted by the s...
Yun-Nung Chen, Chia-Ping Chen, Hung-yi Lee, Chun-a...