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ICASSP
2011
IEEE
14 years 7 months ago
A hybrid compressed sensing algorithm for sparse channel estimation in MIMO OFDM systems
Due to multipath delay spread and relatively high sampling rate in OFDM systems, the channel estimation is formulated as a sparse recovery problem, where a hybrid compressed sensi...
Chenhao Qi, Lenan Wu
ICASSP
2011
IEEE
14 years 6 months ago
Weighted and structured sparse total least-squares for perturbed compressive sampling
Solving linear regression problems based on the total least-squares (TLS) criterion has well-documented merits in various applications, where perturbations appear both in the data...
Hao Zhu, Georgios B. Giannakis, Geert Leus
264
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TMA
2012
Springer
278views Management» more  TMA 2012»
13 years 11 months ago
tsdb: A Compressed Database for Time Series
Large-scale network monitoring systems require efficient storage and consolidation of measurement data. Relational databases and popular tools such as the Round-Robin Database sho...
Luca Deri, Simone Mainardi, Francesco Fusco
ICIP
2003
IEEE
16 years 4 months ago
Distributed image compression for sensor networks using correspondence analysis and super-resolution
We outline a distributed codingtechnique for images captured from sensors with overlapping fields of view in a sensor network. First, images from correlated views are roughly regi...
R. Wagner, Robert D. Nowak, Richard G. Baraniuk
SSD
2007
Springer
133views Database» more  SSD 2007»
15 years 9 months ago
Compression of Digital Road Networks
Abstract. In the consumer market, there has been an increasing interest in portable navigation systems in the last few years. These systems usually work on digital map databases st...
Jonghyun Suh, Sungwon Jung, Martin Pfeifle, Khoa T...