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ICASSP
1 years 2 months ago
2011 IEEE 
The scope of the well-known k-means algorithm has been
broadly extended with some recent results: first, the k-
means++ initialization method gives some approximation
guarantees...
ICASSP
9 months 11 days ago
2011 IEEE 
We propose a new statistical model, named Hierarchical Topic Trajectory Model (HTTM), for acquiring a dynamically changing topic model that represents the relationship between vid...
ICASSP
1 years 2 months ago
2011 IEEE
Recent indexing techniques inspired by source coding have been shown successful to index billions of high-dimensional vectors in memory. In this paper, we propose an approach that ...
ICASSP
9 months 11 days ago
2011 IEEE 
Near-field acoustic holography (NAH) is an important acoustic visualization technique which can be implemented efficiently through the fast Fourier transform (FFT). However, whe...
ICASSP
9 months 11 days ago
2011 IEEE 
In this paper, we propose a method to extract features from three-dimensional acceleration signals. The proposed method is based on the (auto-)correlation matrix of Fourier transf...
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Signal Processing
