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HIS
2009
15 years 5 months ago
An Efficient VQ-Based Data Hiding Scheme Using Voronoi Clustering
In this paper, we propose a vector quantization (VQ) -based information hiding scheme that cluster the VQ codeowrds according the codewords' relation on Voronoi Diagram (VD). ...
Ming-Ni Wu, Puu-An Juang, Yu-Chiang Li
ICASSP
2011
IEEE
15 years 4 months ago
Non-flat clustering whith alpha-divergences
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...
Olivier Schwander, Frank Nielsen
MMM
2010
Springer
157views Multimedia» more  MMM 2010»
16 years 4 months ago
A Novel Trajectory Clustering Approach for Motion Segmentation
We propose a novel clustering scheme for spatio-temporal segmentation of sparse motion fields obtained from feature tracking. The approach allows for the segmentation of meaningfu...
Matthias Zeppelzauer, Maia Zaharieva, Dalibor Mitr...
KDD
2000
ACM
117views Data Mining» more  KDD 2000»
15 years 11 months ago
When image indexing meets knowledge discovery
In our paper, we deal with the challenge of extending automatically the classic image indexing by visual relationship features. The visual relationship features are discovered aut...
Chabane Djeraba
USENIX
2008
15 years 9 months ago
Free Factories: Unified Infrastructure for Data Intensive Web Services
We introduce the Free Factory, a platform for deploying data-intensive web services using small clusters of commodity hardware and free software. Independently administered virtua...
Alexander Wait Zaranek, Tom Clegg, Ward Vandewege,...