ICASSP
2008
IEEE
14 years 6 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
14 years 6 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
14 years 6 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
14 years 6 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
14 years 6 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
14 years 6 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
14 years 6 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
14 years 6 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
14 years 6 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
14 years 6 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...