ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
We describe the underlying probabilistic generative signal model of non-negative matrix factorisation (NMF) and propose a realistic conjugate priors on the matrices to be estimate...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
In this paper, we propose a novel multi-dimensional distributed hidden Markov model (DHMM) framework. We first extend the theory of 2D hidden Markov models (HMMs) to arbitrary ca...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
This paper proposes a robust video fingerprinting method based on affine covariant regions. In video fingerprinting, a video clip is identified using short feature vectors ref...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
A sound eld reproduction method which uses blind source separation and head-related transfer function is proposed. In the proposed system, multichannel acoustic signals captured a...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
This paper addresses the computational complexity of scalable video decoding using emerging scalable extension of H.264/AVC (SVC) standard compliant decoder. Scalable functionalit...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
Independent component analysis (ICA) is a statistical and computational technique for revealing hidden factors that underlie sets of signals. We propose an improved ICA framework ...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
Phase features are widely used in image processing and representation due to their stability to deformation and noise [1, 2]. However, phase singularities,where the signals vanish...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
We address the problem of instantaneous, underdetermined audio source separation by time-frequency masking. Using oracle estimators, we determine experimental upper performance bo...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
We consider probabilistic methods to compute the near midair collision risk using state estimate and covariance from a target tracking filter based on angle-only sensors such as ...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
Recent work in the emerging field of compressive sensing indicates that, when feasible, judicious selection of the type of distortion induced by measurement systems may dramatica...