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AI
2009
Springer
15 years 9 months ago
Cost-Based Sampling of Individual Instances
In many practical domains, misclassification costs can differ greatly and may be represented by class ratios, however, most learning algorithms struggle with skewed class distrib...
William Klement, Peter A. Flach, Nathalie Japkowic...
LOCA
2009
Springer
15 years 9 months ago
Location Diversity: Enhanced Privacy Protection in Location Based Services
Abstract. Location-based Services are emerging as popular applications in pervasive computing. Spatial k-anonymity is used in Locationbased Services to protect privacy, by hiding t...
Mingqiang Xue, Panos Kalnis, Hung Keng Pung
ICASSP
2008
IEEE
15 years 9 months ago
Single-channel speech separation based on modulation frequency
This paper describes an algorithm that performs a simple form of computational auditory scene analysis to separate multiple speech signals from one another on the basis of the mod...
Lingyun Gu, Richard M. Stern
ICC
2008
IEEE
15 years 9 months ago
Unitary Precoding Techniques Based on Transmit-MRC for MIMO Wireless Systems
— This paper proposes a low complexity unitary precoding scheme for multiple-input multiple-output (MIMO) systems. The singular-value decomposition (SVD) based transmission is ca...
Seokhwan Park, Heunchul Lee, Sang-Rim Lee, Inkyu L...
VTC
2008
IEEE
107views Communications» more  VTC 2008»
15 years 9 months ago
Channel Code Division Multiple Access and its Multilevel Structured LDPC Based Instantiation
— In this paper, we introduce and outline the concept of Channel Code Division Multiple Access (CCDMA) using a design example based on the recently proposed Multilevel Structured...
Nicholas Bonello, Rong Zhang, Sheng Chen, Lajos Ha...