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» Extending Problem Frames to deal with stakeholder problems
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SIGPRO
2010
99views more  SIGPRO 2010»
14 years 10 months ago
Oversampled phase tracking in digital communications with large excess bandwidth
This paper deals with the on-line carrier phase estimation in a digital receiver. We consider a Brownian phase evolution in a Data Aided scenario. The proposed study uses an overs...
Jordi Vilà-Valls, Jean-Marc Brossier, Laure...
AAAI
2000
15 years 1 months ago
cc-Golog: Towards More Realistic Logic-Based Robot Controllers
High-level robot controllers in realistic domains typically deal with processes which operate concurrently, change the world continuously, and where the execution of actions is ev...
Henrik Grosskreutz, Gerhard Lakemeyer
FOCS
1998
IEEE
15 years 4 months ago
The Complexity of Acyclic Conjunctive Queries
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
Georg Gottlob, Nicola Leone, Francesco Scarcello
DICTA
2003
15 years 1 months ago
Anisoplanatic Image Restoration at ADFA
We have been investigating ways to restore images of objects obtained with a telescope under anisoplanatic atmospheric conditions. Anisoplanatic means that the point spread functio...
Donald Fraser, Andrew Lambert, M. Reza Sayyah Jahr...
CVPR
2009
IEEE
16 years 7 months ago
Retrographic sensing for the measurement of surface texture and shape
We describe a novel device that can be used as a 2.5D “scanner” for acquiring surface texture and shape. The device consists of a slab of clear elastomer covered with a refl...
Edward H. Adelson, Micah K. Johnson