Sciweavers

ICASSP
2011
IEEE
12 years 11 months ago
Causal signal recovery from U-invariant samples
Causal processing of a signal’s samples is crucial in on-line applications such as audio rate conversion, compression, tracking and more. This paper addresses the problem of cau...
Tomer Michaeli, Yonina C. Eldar, Volker Pohl
ICASSP
2011
IEEE
12 years 11 months ago
Median filter with absolute value norm spatial regularization
We provide a novel formulation for computing median filter with spatial regularization as minimizing a cost function composed of absolute value norms. We turn this cost minimizat...
Nilanjan Ray
ICASSP
2011
IEEE
12 years 11 months ago
Novel beamformers for Multiple Correlated brain source localization and reconstruction
This paper introduces two novel beamforming algorithms, namely the Region Constrained and Multiple Correlated Source Model beamformers, designed to localize and to reconstruct hig...
Hung V. Dang, Kwong T. Ng, James K. Kroger
ICASSP
2011
IEEE
12 years 11 months ago
Reusing the H.264/AVC deblocking filter for efficient spatio-temporal prediction in video coding
The prediction step is a very important part of hybrid video codecs for effectively compressing video sequences. While existing video codecs predict either in temporal or in spati...
Jürgen Seiler, André Kaup
ICASSP
2011
IEEE
12 years 11 months ago
On the effect of amr and AMR-WB GSM compression on overlapped speech for forensic analysis
The recent ubiquity of mobile telephony has posed the challenge of forensic speech analysis on compressed speech content. Whilst existing research studies have investigated the ef...
Eva Cheng, Ian S. Burnett
ICASSP
2011
IEEE
12 years 11 months ago
The asymptotic properties of polynomial phase estimation by least squares phase unwrapping
Estimating the coefficients of a noisy polynomial phase signal is important in many fields including radar, biology and radio communications. One approach to estimation attempts...
Robby G. McKilliam, I. Vaughan L. Clarkson, Barry ...
ICASSP
2011
IEEE
12 years 11 months ago
Real-time conjugate gradients for online fMRI classification
Real-time functional magnetic resonance imaging (rtfMRI) enables classification of brain activity during data collection thus making inference results accessible to both the subj...
Hao Xu, Yongxin Taylor Xi, Ray Lee, Peter J. Ramad...
ICASSP
2011
IEEE
12 years 11 months ago
Multi-class Model M
Model M, a novel class-based exponential language model, has been shown to significantly outperform word n-gram models in state-of-the-art machine translation and speech recognit...
Ahmad Emami, Stanley F. Chen
ICASSP
2011
IEEE
12 years 11 months ago
Alignment of cubic-panorama image datasets using epipolar geometry
—Panoramic images are a new type of visual data that provide many new possibilities as compared to the classic planar images. Tele-presence and virtual navigation are examples of...
Saeed Salehi, Eric Dubois
ICASSP
2011
IEEE
12 years 11 months ago
The HKCUPU system for the NIST 2010 speaker recognition evaluation
This paper presents the HKCUPU speaker recognition system submitted to NIST 2010 speaker recognition evaluation (SRE). The system comprises five subsystems, each with different ac...
Weiwu Jiang, Man-Wai Mak, Wei Rao, Helen M. Meng