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197views
14 years 2 months ago
Convex non-negative matrix factorization for massive datasets
Non-negative matrix factorization (NMF) has become a standard tool in data mining, information retrieval, and signal processing. It is used to factorize a non-negative data matrix ...
C. Thurau, K. Kersting, M. Wahabzada, and C. Bauck...
ICDE
2012
IEEE
237views Database» more  ICDE 2012»
13 years 9 months ago
On Discovery of Traveling Companions from Streaming Trajectories
— The advance of object tracking technologies leads to huge volumes of spatio-temporal data collected in the form of trajectory data stream. In this study, we investigate the pro...
Lu An Tang, Yu Zheng, Jing Yuan, Jiawei Han, Alice...
ICDE
1998
IEEE
83views Database» more  ICDE 1998»
16 years 7 months ago
Grouping Techniques for Update Propagation in Intermittently Connected Databases
We consider an environment where one or more servers carry databases that are of interest to a community of clients. The clients are only intermittently connected to the server fo...
Sameer Mahajan, Michael J. Donahoo, Shamkant B. Na...
VR
2010
IEEE
151views Virtual Reality» more  VR 2010»
15 years 4 months ago
Virtually augmenting hundreds of real pictures: An approach based on learning, retrieval, and tracking
Tracking is a major issue of virtual and augmented reality applications. Single object tracking on monocular video streams is fairly well understood. However, when it comes to mul...
Julien Pilet, Hideo Saito
ICIP
2008
IEEE
16 years 8 months ago
Adaptive decoding for halftone orientation-based data hiding
Halftone image watermarking techniques that allow automated extraction of the embedded watermark data are useful in a variety of document security and workflow applications. The p...
Orhan Bulan, Gaurav Sharma, Vishal Monga