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ICPR
2010
IEEE
15 years 2 months ago
Learning Scene Semantics Using Fiedler Embedding
We propose a framework to learn scene semantics from surveillance videos. Using the learnt scene semantics, a video analyst can efficiently and effectively retrieve the hidden sem...
Jingen Liu, Saad Ali
RP
2010
Springer
163views Control Systems» more  RP 2010»
15 years 2 months ago
Efficient Graph Reachability Query Answering Using Tree Decomposition
Efficient reachability query answering in large directed graphs has been intensively investigated because of its fundamental importance in many application fields such as XML data ...
Fang Wei
150
Voted
CDC
2010
IEEE
133views Control Systems» more  CDC 2010»
14 years 12 months ago
Estimating state-space models in innovations form using the expectation maximisation algorithm
The expectation maximisation (EM) algorithm has proven to be effective for a range of identification problems. Unfortunately, the way in which the EM algorithm has previously been ...
Adrian Wills, Thomas B. Schön, Brett Ninness
ICASSP
2011
IEEE
14 years 8 months ago
Transient acoustic signal classification using joint sparse representation
In this paper, we present a novel joint sparse representation based method for acoustic signal classification with multiple measurements. The proposed method exploits the correla...
Haichao Zhang, Nasser M. Nasrabadi, Thomas S. Huan...
ICASSP
2011
IEEE
14 years 8 months ago
Identification of ARMA models using intermittent and quantized output observations
This paper studies system identification of ARMA models whose outputs are subject to finite-level quantization and random packet dropouts. A simple adaptive quantizer and the co...
Damián Marelli, Keyou You, Minyue Fu