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ICASSP
2011
IEEE
14 years 11 months ago
Gain-robust multi-pitch tracking using sparse nonnegative matrix factorization
While nonnegative matrix factorization (NMF) has successfully been applied for gain-robust multi-pitch detection, a method to track pitch values over time was not provided. We emb...
Robert Peharz, Michael Wohlmayr, Franz Pernkopf
ICASSP
2011
IEEE
14 years 11 months ago
Acoustic-phonetic information from excitation source for refining manner hypotheses of a phone recognizer
Reliable acoustic-phonetic (AP) information derived from the speech signal can be used to detect and correct errors in the output of a phone recognizer. In this paper, limited aco...
N. Dhananjaya, B. Yegnanarayana, Suryakanth V. Gan...
GECCO
2006
Springer
168views Optimization» more  GECCO 2006»
15 years 10 months ago
An artificial immune system and its integration into an organic middleware for self-protection
Our human body is well protected by antibodies from our biological immune system. This protection system matured over millions of years and has proven its functionality. In our re...
Andreas Pietzowski, Wolfgang Trumler, Theo Ungerer
CC
2009
Springer
126views System Software» more  CC 2009»
16 years 7 months ago
Live Debugging of Distributed Systems
Debugging distributed systems is challenging. Although incremental debugging during development finds some bugs, developers are rarely able to fully test their systems under realis...
Darren Dao, Jeannie R. Albrecht, Charles Edwin Kil...
ATAL
2003
Springer
16 years 12 days ago
A prototype multiAgent network security system
Distributed Internet-based attacks on computer systems are becoming more prevalent. These attacks usually employ some form of automation and involve the compromise of many systems...
Taraka Pedireddy, José M. Vidal