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TSP
2008
103views more  TSP 2008»
15 years 2 months ago
Low-Rank Variance Approximation in GMRF Models: Single and Multiscale Approaches
Abstract--We present a versatile framework for tractable computation of approximate variances in large-scale Gaussian Markov random field estimation problems. In addition to its ef...
Dmitry M. Malioutov, Jason K. Johnson, Myung Jin C...
CIKM
2010
Springer
15 years 1 months ago
Visual-semantic graphs: using queries to reduce the semantic gap in web image retrieval
We explore the application of a graph representation to model similarity relationships that exist among images found on the Web. The resulting similarity-induced graph allows us t...
Barbara Poblete, Benjamin Bustos, Marcelo Mendoza,...
LREC
2010
165views Education» more  LREC 2010»
15 years 4 months ago
Collection of Usage Information for Language Resources from Academic Articles
Recently, language resources (LRs) are becoming indispensable for linguistic researches. However, existing LRs are often not fully utilized because their variety of usage is not w...
Shunsuke Kozawa, Hitomi Tohyama, Kiyotaka Uchimoto...
MEDIAFORENSICS
2010
15 years 4 months ago
Efficient estimation of CFA pattern configuration in digital camera images
This paper proposes an efficient method to determine the concrete configuration of the color filter array (CFA) from demosaiced images. This is useful to decrease the degrees of f...
Matthias Kirchner
UAI
2008
15 years 4 months ago
Improving Gradient Estimation by Incorporating Sensor Data
An efficient policy search algorithm should estimate the local gradient of the objective function, with respect to the policy parameters, from as few trials as possible. Whereas m...
Gregory Lawrence, Stuart J. Russell