Sciweavers

TASLP
2010
127views more  TASLP 2010»
13 years 8 months ago
New Insights Into the MVDR Beamformer in Room Acoustics
—The minimum variance distortionless response (MVDR) beamformer, also known as Capon’s beamformer, is widely studied in the area of speech enhancement. The MVDR beamformer can ...
Emanuël Anco Peter Habets, Jacob Benesty, Isr...
CGA
2005
13 years 9 months ago
A Novel Monte Carlo Noise Reduction Operator
A novel Monte Carlo noise reduction operator is proposed in this paper. We apply and extend the standard bilateral filtering method and build a new local adaptive noise reduction k...
Ruifeng Xu, Sumanta N. Pattanaik
TMI
2008
142views more  TMI 2008»
13 years 9 months ago
Wavelet Based Noise Reduction in CT-Images Using Correlation Analysis
Abstract-- The projection data measured in computed tomography (CT) and, consequently, the slices reconstructed from these data are noisy. We present a new wavelet based structurep...
Anja Borsdorf, Rainer Raupach, Thomas Flohr, Joach...
TASLP
2008
148views more  TASLP 2008»
13 years 9 months ago
A Minimum Distortion Noise Reduction Algorithm With Multiple Microphones
Abstract--The problem of noise reduction using multiple microphones has long been an active area of research. Over the past few decades, most efforts have been devoted to beamformi...
Jingdong Chen, Jacob Benesty, Yiteng Huang
TASLP
2008
102views more  TASLP 2008»
13 years 9 months ago
On the Importance of the Pearson Correlation Coefficient in Noise Reduction
Noise reduction, which aims at estimating a clean speech from noisy observations, has attracted a considerable amount of research and engineering attention over the past few decade...
Jacob Benesty, Jingdong Chen, Yiteng Huang
IVC
2006
82views more  IVC 2006»
13 years 9 months ago
Nonlinear optimisation method for image segmentation and noise reduction using geometrical intrinsic properties
This paper considers the optimisation of a nonlinear functional for image segmentation and noise reduction. Equations optimising this functional are derived and employed to detect...
Sasan Mahmoodi, Bayan S. Sharif
SIGIR
1995
ACM
14 years 1 months ago
Noise Reduction in a Statistical Approach to Text Categorization
This paper studies noise reduction for computational efficiency improvements in a statistical learning method for text categorization, the Linear Least Squares Fit (LLSF) mapping...
Yiming Yang
KONVENS
2000
14 years 1 months ago
A Noise Suppression System for the AMR Speech Codec
In this paper we describe a noise reduction preprocessing algorithm for the adaptive multirate (AMR) speech codec of the GSM system. The algorithm is based on spectral weighting a...
Peter Jax, Rainer Martin, Peter Vary, Marc Adrat, ...
ICMCS
2007
IEEE
541views Multimedia» more  ICMCS 2007»
14 years 1 months ago
Motion Adaptive Spatio-Temporal Gaussian Noise Reduction Filter for Double-Shot Images
The high performance of the conventional spatio-temporal image noise reduction filers comes at the cost of high computationally intensity. In this paper, a motion adaptive spatio-...
Shao-Yi Chien, Tse-Wei Chen
EWCBR
2004
Springer
14 years 3 months ago
An Analysis of Case-Base Editing in a Spam Filtering System
Because of the volume of spam email and its evolving nature, any deployed Machine Learning-based spam filtering system will need to have procedures for case-base maintenance. Key t...
Sarah Jane Delany, Padraig Cunningham