Sciweavers

ICASSP
2011
IEEE
13 years 2 months ago
A generalized design method for directivity patterns of spherical microphone arrays
Spherical microphone arrays provide a flexible solution to obtaining higher-order directivity patterns, which are useful in audio recording and reproduction. A general systematic...
Enzo De Sena, Hüseyin Hacihabiboglu, Zoran Cv...
ICASSP
2011
IEEE
13 years 2 months ago
Anti-aliasing filter for subpixel down-sampling based on frequency analysis
Nowadays, digital pictures are usually captured at very high resolution ranged up to 12 mega-pixels. Limited by low-resolution display, we have to shrink the image. Signal process...
Lu Fang, Ketan Tang, Oscar C. Au, Aggelos K. Katsa...
ICASSP
2011
IEEE
13 years 2 months ago
Scheduling of CAL actor networks based on dynamic code analysis
CAL is a dataflow oriented language for writing high-level specifications of signal processing applications. The language has recently been standardized and selected for the new...
Jani Boutellier, Olli Silvén, Mickaël ...
ICASSP
2011
IEEE
13 years 2 months ago
Significance of vowel epenthesis in Telugu text-to-speech synthesis
Unit selection synthesis inventories have coverage issues, which lead to missing syllable or diphone units. In the conventional back-off strategy of substituting the missing unit ...
Vijayaditya Peddinti, Kishore Prahallad
ICASSP
2011
IEEE
13 years 2 months ago
Deconvolution of neuronal signal from hemodynamic response
In this paper we describe a deconvolution technique for obtaining an approximation of the neuronal signal from an observed hemodynamic response in fMRI data. Our approach, based o...
Martin Havlicek, Jirí Jan, Milan Brazdil, V...
ICASSP
2011
IEEE
13 years 2 months ago
Instantaneous phase tracking of oscillatory signals using emd and Rao-Blackwellised particle filtering
A new method for instantaneous phase tracking of oscillatory signals in a narrow band frequency range is proposed. Empirical mode decomposition (EMD), as an adaptive and data-driv...
Delaram Jarchi, Bahador Makkiabadi, Saeid Sanei
ICASSP
2011
IEEE
13 years 2 months ago
Biological pathway inference using manifold embedding
Disease occurs due to aberrant modulation of biological pathways. Identification of activated gene pathways from gene expression data is an important problem. In this work, we de...
Arvind Rao, Alfred O. Hero
ICASSP
2011
IEEE
13 years 2 months ago
Joint data detection and dominant singular mode estimation in time varying reciprocal MIMO systems
This paper proposes an algorithm for joint data detection and tracking of the dominant singular mode of a time varying channel at the transmitter and receiver of a time division d...
Ranjitha Prasad, Bettagere Nagaraja Bharath, Chand...
ICASSP
2011
IEEE
13 years 2 months ago
Variational approximation of long-span language models for lvcsr
Long-span language models that capture syntax and semantics are seldom used in the first pass of large vocabulary continuous speech recognition systems due to the prohibitive sea...
Anoop Deoras, Tomas Mikolov, Stefan Kombrink, Mart...
ICASSP
2011
IEEE
13 years 2 months ago
Voice source features for cognitive load classification
Previous work in speech-based cognitive load classification has shown that the glottal source contains important information for cognitive load discrimination. However, the relia...
Tet Fei Yap, Julien Epps, Eliathamby Ambikairajah,...