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» Efficient Discovery of Confounders in Large Data Sets
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ICML
2008
IEEE
14 years 9 months ago
Expectation-maximization for sparse and non-negative PCA
We study the problem of finding the dominant eigenvector of the sample covariance matrix, under additional constraints on the vector: a cardinality constraint limits the number of...
Christian D. Sigg, Joachim M. Buhmann
CRYPTO
1994
Springer
116views Cryptology» more  CRYPTO 1994»
14 years 29 days ago
Tracing Traitors
We give cryptographic schemes that help trace the source of leaks when sensitive or proprietary data is made available to a large set of parties. A very relevant application is in ...
Benny Chor, Amos Fiat, Moni Naor
ECCV
2006
Springer
14 years 16 days ago
SIFT and Shape Context for Feature-Based Nonlinear Registration of Thoracic CT Images
Nonlinear image registration is a prerequisite for various medical image analysis applications. Many data acquisition protocols suffer from problems due to breathing motion which h...
Martin Urschler, Joachim Bauer, Hendrik Ditt, Hors...
DAGSTUHL
2010
13 years 10 months ago
Real-time Terrain Mapping
Abstract. We present an interactive, real-time mapping system for digital elevation maps (DEMs), which allows Earth scientists to map and therefore understand the deformation of th...
Tony Bernardin, Eric Cowgil, Ryan D. Gold, Bernd H...
CGF
2008
235views more  CGF 2008»
13 years 9 months ago
Free Form Incident Light Fields
This paper presents methods for photo-realistic rendering using strongly spatially variant illumination captured from real scenes. The illumination is captured along arbitrary pat...
Jonas Unger, Stefan Gustavson, P. Larsson, Anders ...