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PPOPP
2010
ACM
14 years 1 months ago
The LOFAR correlator: implementation and performance analysis
LOFAR is the first of a new generation of radio telescopes. Rather than using expensive dishes, it forms a distributed sensor network that combines the signals from many thousands...
John W. Romein, P. Chris Broekema, Jan David Mol, ...
IJPP
2011
105views more  IJPP 2011»
12 years 11 months ago
Correlating Radio Astronomy Signals with Many-Core Hardware
A recent development in radio astronomy is to replace traditional dishes with many small antennas. The signals are combined to form one large, virtual telescope. The enormous data ...
Rob van Nieuwpoort, John W. Romein
SPAA
2006
ACM
13 years 10 months ago
Astronomical real-time streaming signal processing on a Blue Gene/L supercomputer
LOFAR is the first of a new generation of radio telescopes, that combines the signals from many thousands of simple, fixed antennas, rather than from expensive dishes. Its revol...
John W. Romein, P. Chris Broekema, Ellen van Meije...
HIPC
2009
Springer
13 years 2 months ago
Comparing the performance of clusters, Hadoop, and Active Disks on microarray correlation computations
Abstract--Microarray-based comparative genomic hybridization (aCGH) offers an increasingly fine-grained method for detecting copy number variations in DNA. These copy number variat...
Jeffrey A. Delmerico, Nathanial A. Byrnes, Andrew ...
PR
2002
121views more  PR 2002»
13 years 4 months ago
Statistical correlation analysis in image retrieval
A statistical correlation model for image retrieval is proposed. This model captures the semantic relationships among images in a database from simple statistics of userprovided r...
Mingjing Li, Zheng Chen, HongJiang Zhang