Sciweavers

2632 search results - page 239 / 527
» Alternating Timed Automata
Sort
View
PIMRC
2010
IEEE
15 years 4 months ago
Opportunistic channel access scheme for cognitive radio system based on residual white space distribution
We propose an opportunistic channel access scheme for cognitive radio-enabled secondary networks. In our work, we model the channel occupancy due to Primary User (PU) activity as a...
Manuj Sharma, Anirudha Sahoo
TSP
2010
15 years 1 months ago
Estimating multiple frequency-hopping signal parameters via sparse linear regression
Abstract--Frequency hopping (FH) signals have well-documented merits for commercial and military applications due to their near-far resistance and robustness to jamming. Estimating...
Daniele Angelosante, Georgios B. Giannakis, Nichol...
ICIP
2008
IEEE
16 years 8 months ago
Describing low-level image features using the COMM ontology
We present an innovative approach for storing and processing extracted low-level image features based on current Semantic Web technologies. We propose to use the COMM multimedia o...
Carsten Saathoff, Miroslav Vacura, Raphaël Tr...
ICPR
2006
IEEE
16 years 7 months ago
Multi-Subset Selection for Keyword Extraction and Other Prototype Search Tasks Using Feature Selection Algorithms
We present a framework that enables the use of traditional feature selection algorithms in a new context - for building a set of subsets of specified properties. During the course...
Pavel Pudil, Petr Somol
ICPR
2004
IEEE
16 years 7 months ago
Estimation of Distance to Planar Surfaces and Type of Material with Infrared Sensors
This paper proposes a new technique for computing the distance to an unknown planar surface and, at the same time, estimating the material of the surface through the use of low-co...
Miguel Angel García, Agusti Solanas