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ICASSP
2011
IEEE
8 years 1 days ago
Multi-sensor estimation and detection of phase-locked sinusoids
This paper proposes a method to compute the likelihood function for the amplitudes and phase shifts of noisily observed phase-locked and amplitude-constrained sinusoids. The sinus...
Christoph Reller, Hans-Andrea Loeliger, Stefano Ma...
ICASSP
2011
IEEE
8 years 1 days ago
Resolving spatial sampling effects in parametric directional filtering
Directional Audio Coding (DirAC) represents an efficient scheme to analyze and reproduce spatial sound; the coded stream consists of a single-channel audio signal and few paramet...
Markus Kallinger, Michael Buerger, Oliver Thiergar...
ICASSP
2011
IEEE
8 years 1 days 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
8 years 1 days ago
A new metric for VQ-based speech enhancement and separation
Speech enhancement and separation algorithms frequently employ two-stage processing schemes, where the signal is first mapped to an intermediate low-dimensional parametric descri...
Mads Græsbøll Christensen, Pejman Mow...
ICASSP
2011
IEEE
8 years 1 days ago
Stochastic behavior analysis of the Gaussian Kernel Least Mean Square algorithm
Like its linear counterpart, the Kernel Least Mean Square (KLMS) algorithm is also becoming popular in nonlinear adaptive filtering due to its simplicity and robustness. The “k...
Wemerson D. Parreira, José Carlos M. Bermud...
ICASSP
2011
IEEE
8 years 1 days ago
An optimization algorithm of independent mean and variance parameter tying structures for HMM-based speech synthesis
This paper proposes a technique for constructing independent parameter tying structures of mean and variance in HMMbased speech synthesis. Conventionally, mean and variance parame...
Shinji Takaki, Keiichiro Oura, Yoshihiko Nankaku, ...
TSP
2010
8 years 3 months ago
Barankin-type lower bound on multiple change-point estimation
We compute lower bounds on the mean-square error of multiple change-point estimation. In this context, the parameters are discrete and the Cram
Patricio S. La Rosa, Alexandre Renaux, Carlos H. M...
TMI
2010
158views more  TMI 2010»
8 years 3 months ago
Estimation of Diffusion Properties in Crossing Fiber Bundles
Abstract--There is an ongoing debate on how to model diffusivity in fiber crossings. We propose an optimization framework for the selection of a dual tensor model and the set of di...
Matthan W. A. Caan, Ganesh Khedoe, Dirk H. J. Poot...
TIP
2010
161views more  TIP 2010»
8 years 3 months ago
Automatic Parameter Selection for Denoising Algorithms Using a No-Reference Measure of Image Content
Across the field of inverse problems in image and video processing, nearly all algorithms have various parameters which need to be set in order to yield good results. In practice, ...
Xiang Zhu, Peyman Milanfar
TFS
2010
117views Education» more  TFS 2010»
8 years 3 months ago
Variational Bayes for a Mixed Stochastic/Deterministic Fuzzy Filter
Abstract--This study, under the variational Bayes (VB) framework, infers the parameters of a Takagi
Mohit Kumar, Norbert Stoll, Regina Stoll
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