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PKC
2011
Springer
185views Cryptology» more  PKC 2011»
13 years 1 months ago
Signatures on Randomizable Ciphertexts
xtended abstract which appears in the 2011 International Conference on Theory and Practice in Public Key Cryptography PKC 2011 (6–9 march 2011, Taormina, Italy) D. Catalano, N. F...
Olivier Blazy, Georg Fuchsbauer, David Pointcheval...
VISUALIZATION
2005
IEEE
14 years 4 months ago
Build-by-Number: Rearranging the Real World to Visualize Novel Architectural Spaces
We present Build-by-Number, a technique for quickly designing architectural structures that can be rendered photorealistically at interactive rates. We combine image-based capturi...
Daniel R. Bekins, Daniel G. Aliaga
ICALP
2011
Springer
13 years 2 months ago
Improved Approximation for the Directed Spanner Problem
We present an O( √ n log n)-approximation algorithm for the problem of finding the sparsest spanner of a given directed graph G on n vertices. A spanner of a graph is a sparse ...
Piotr Berman, Arnab Bhattacharyya, Konstantin Maka...
CVPR
2009
IEEE
15 years 5 months ago
Observe Locally, Infer Globally: a Space-Time MRF for Detecting Abnormal Activities with Incremental Updates
We propose a space-time Markov Random Field (MRF) model to detect abnormal activities in video. The nodes in the MRF graph correspond to a grid of local regions in the video fra...
Jaechul Kim (University of Texas at Austin), Krist...
AIED
2007
Springer
14 years 2 months ago
Evaluating a Collaborative Constraint-based Tutor for UML Class Diagrams
COLLECT-UML is a collaborative constraint-based tutor for teaching object-oriented analysis and design using Unified Modelling Language. It is the first system in the family of con...
Nilufar Baghaei, Antonija Mitrovic