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ICDE
2011
IEEE
222views Database» more  ICDE 2011»
14 years 1 months ago
Dynamic prioritization of database queries
— Enterprise database systems handle a variety of diverse query workloads that are of different importance to the business. For example, periodic reporting queries are usually mi...
Sivaramakrishnan Narayanan, Florian Waas
ICASSP
2009
IEEE
15 years 4 months ago
DOA estimation of quasi-stationary signals via Khatri-Rao subspace
This paper addresses the problem of direction-of-arrival (DOA) estimation of quasi-stationary signals, which finds applications in array processing of speech and audio. By studyi...
Wing-Kin Ma, Tsung-Han Hsieh, Chong-Yung Chi
TIP
2010
119views more  TIP 2010»
14 years 4 months ago
Trajectory Classification Using Switched Dynamical Hidden Markov Models
This paper proposes an approach for recognizing human activities (more specifically, pedestrian trajectories) in video sequences, in a surveillance context. A system for automatic ...
Jacinto C. Nascimento, Mário A. T. Figueire...
IDA
2009
Springer
15 years 4 months ago
Blind Spectral-GMM Estimation for Underdetermined Instantaneous Audio Source Separation
Abstract. The underdetermined blind audio source separation problem is often addressed in the time-frequency domain by assuming that each time-frequency point is an independently d...
Simon Arberet, Alexey Ozerov, Rémi Gribonva...
CVPR
2004
IEEE
15 years 12 months ago
Bayesian Video Matting Using Learnt Image Priors
Video matting, or layer extraction, is a classic inverse problem in computer vision that involves the extraction of foreground objects, and the alpha mattes that describe their op...
Nicholas Apostoloff, Andrew W. Fitzgibbon