Sciweavers

ICASSP
2011
IEEE
13 years 3 months ago
Natural gradient approach in orthogonal matrix optimization using cayley transform
Matrix optimization with orthogonal constraints appear in a variety of application fields including signal and image processing. Several researchers have developed algorithms for...
Gen Hori
ICASSP
2011
IEEE
13 years 3 months ago
A-Functions: A generalization of Extended Baum-Welch transformations to convex optimization
We introduce the Line Search A-Function (LSAF) technique that generalizes the Extended-Baum Welch technique in order to provide an effective optimization technique for a broader s...
Dimitri Kanevsky, David Nahamoo, Tara N. Sainath, ...
ICASSP
2011
IEEE
13 years 3 months ago
Sliding window greedy RLS for sparse filters
We present a sliding window RLS for sparse filters, based on the greedy least squares algorithm. The algorithm adapts a partial QR factorization with pivoting, using a simplifie...
Alexandru Onose, Bogdan Dumitrescu, Ioan Tabus
ICASSP
2011
IEEE
13 years 3 months ago
Compensation of partly reliable components for band-limited speech recognition with missing data techniques
Mismatch in speech bandwidth between training and real operation greatly degrades the performance of automatic speech recognition (ASR) systems. Missing feature technique (MFT) is...
Yongjun He, Jiqing Han, Tieran Zheng, Guibin Zheng
ICASSP
2011
IEEE
13 years 3 months ago
Acoustic-to-articulatory inversion using an episodic memory
This paper presents a new acoustic-to-articulatory inversion methodbased on an episodic memory, which is an interesting model for two reasons. First, it does not rely on any assum...
Sébastien Demange, Slim Ouni
ICASSP
2011
IEEE
13 years 3 months ago
Automatic diagnosis of ADHD based on nonlinear analysis of actimetry registries
Attention-Deficit Hyperactivity Disorder (ADHD) is the most common mental health problem in childhood and adolescence. Its diagnosis is commonly performed in a subjective manner ...
Diego Martin, Pablo Casaseca, Susana Alberola, Jos...
ICASSP
2011
IEEE
13 years 3 months ago
A design procedure for oversampled nonuniform filter banks with perfect-reconstruction
We describe a time-domain procedure for designing the synthesis filters of perfect-reconstruction oversampled filter banks. A condition matrix is derived from the basic magnitud...
Mohamed F. Mansour
ICASSP
2011
IEEE
13 years 3 months ago
Polyphonic music transcription using note onset and offset detection
In this paper, an approach for polyphonic music transcription based on joint multiple-F0 estimation and note onset/offset detection is proposed. For preprocessing, the resonator t...
Emmanouil Benetos, Simon Dixon
ICASSP
2011
IEEE
13 years 3 months ago
Dual domain method for single image dehazing and enhancing
In this paper, we propose a novel method for improving the visibility of an image (with fog or haze), as well as the image’s details. The proposed method adjusts the global cont...
Dongin Shin, Kristofor B. Gibson, Wonha Kim, Truon...
ICASSP
2011
IEEE
13 years 3 months ago
Probabilistic SINR constrained robust transmit beamforming: A Bernstein-type inequality based conservative approach
Recently, robust transmit beamforming has drawn considerable attention because it can provide guaranteed receiver performance in the presence of channel state information (CSI) er...
Kun-Yu Wang, Tsung-Hui Chang, Wing-Kin Ma, Anthony...