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ICASSP
2011
IEEE
14 years 2 months ago
Collaborative sources identification in mixed signals via hierarchical sparse modeling
A collaborative framework for detecting the different sources in mixed signals is presented in this paper. The approach is based on CHiLasso, a convex collaborative hierarchical s...
Pablo Sprechmann, Ignacio Ramírez, Pablo Ca...
COMPGEOM
2011
ACM
14 years 2 months ago
Persistence-based clustering in riemannian manifolds
We present a clustering scheme that combines a mode-seeking phase with a cluster merging phase in the corresponding density map. While mode detection is done by a standard graph-b...
Frédéric Chazal, Leonidas J. Guibas,...
ICCV
2011
IEEE
13 years 11 months ago
Latent Low-Rank Representation for Subspace Segmentation and Feature Extraction
Low-Rank Representation (LRR) [16, 17] is an effective method for exploring the multiple subspace structures of data. Usually, the observed data matrix itself is chosen as the dic...
Guangcan Liu, Shuicheng Yan
DAC
2011
ACM
13 years 10 months ago
Understanding the impact of power loss on flash memory
Flash memory is quickly becoming a common component in computer systems ranging from music players to mission-critical server systems. As flash plays a more important role, data ...
Hung-Wei Tseng, Laura M. Grupp, Steven Swanson