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TWC
2010
14 years 4 months ago
A PAPR Reduction Method Based on Artificial Bee Colony Algorithm for OFDM Signals
Abstract--One of the major drawbacks of orthogonal frequency division multiplexing (OFDM) signals is the high peak to average power ratio (PAPR) of the transmitted signal. Many PAP...
Yajun Wang, Wen Chen, Chintha Tellambura
EDBT
2011
ACM
281views Database» more  EDBT 2011»
14 years 29 days ago
Fast and accurate computation of equi-depth histograms over data streams
Equi-depth histograms represent a fundamental synopsis widely used in both database and data stream applications, as they provide the cornerstone of many techniques such as query ...
Hamid Mousavi, Carlo Zaniolo
211
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IPMI
2011
Springer
14 years 26 days ago
Surface-Region Context in Optimal Multi-object Graph-Based Segmentation: Robust Delineation of Pulmonary Tumors
Abstract. Multi-object segmentation with mutual interaction is a challenging task in medical image analysis. We report a novel solution to a segmentation problem, in which target o...
Qi Song, Mingqing Chen, Junjie Bai, Milan Sonka, X...
ACII
2011
Springer
13 years 9 months ago
Exploring the Relationship between Novice Programmer Confusion and Achievement
Abstract. Using a discovery-with-models approach, we study the relationships between novice Java programmers’ experiences of confusion and their achievement, as measured through ...
Diane Marie C. Lee, Ma. Mercedes T. Rodrigo, Ryan ...
PAM
2012
Springer
13 years 5 months ago
A Longitudinal Characterization of Local and Global BitTorrent Workload Dynamics
Abstract. Workload characterization is important for understanding how systems and services are used in practice and to help identify design improvements. To better understand the ...
Niklas Carlsson, György Dán, Anirban M...