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MOBIHOC
2007
ACM
16 years 6 months ago
Allocating dynamic time-spectrum blocks in cognitive radio networks
A number of studies have shown the abundance of unused spectrum in the TV bands. This is in stark contrast to the overcrowding of wireless devices in the ISM bands. A recent trend...
Yuan Yuan, Paramvir Bahl, Ranveer Chandra, Thomas ...
INFOCOM
2009
IEEE
16 years 1 months ago
VISA: Virtual Scanning Algorithm for Dynamic Protection of Road Networks
—This paper proposes a VIrtual Scanning Algorithm (VISA), tailored and optimized for road network surveillance. Our design uniquely leverages upon the facts that (i) the movement...
Jaehoon Jeong, Yu Gu, Tian He, David Du
CRV
2008
IEEE
205views Robotics» more  CRV 2008»
16 years 1 months ago
Accurate Boundary Localization using Dynamic Programming on Snakes
The extraction of contours using deformable models, such as snakes, is a problem of great interest in computer vision, particular in areas of medical imaging and tracking. Snakes ...
Akshaya Kumar Mishra, Paul W. Fieguth, David A. Cl...
GLOBECOM
2008
IEEE
16 years 1 months ago
Impact of Constraints on the Complexity of Dynamic Spectrum Assignment
— In this paper we study the complexity of spectrum assignment problems in cognitive radio networks (CRNs) in the presence of several constraints. Although optimal spectrum assig...
Chetan Nanjunda Mathur, Mohamed A. Haleem, Rajarat...
ICDE
2008
IEEE
168views Database» more  ICDE 2008»
16 years 1 months ago
Index Design for Dynamic Personalized PageRank
Personalized PageRank, related to random walks with restarts and conductance in resistive networks, is a frequent search paradigm for graph-structured databases. While efficient ba...
Amit Pathak, Soumen Chakrabarti, Manish S. Gupta