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ICA
2007
Springer
16 years 1 months ago
Solving the Permutation Problem in Convolutive Blind Source Separation
Abstract. This paper presents a new algorithm for solving the permutation ambiguity in convolutive blind source separation. When transformed to the frequency domain, the source sep...
Radoslaw Mazur, Alfred Mertins
ICALP
2007
Springer
16 years 1 months ago
Parameterized Approximability of the Disjoint Cycle Problem
Abstract. We give an fpt approximation algorithm for the directed vertex disjoint cycle problem. Given a directed graph G with n vertices and a positive integer k, the algorithm co...
Martin Grohe, Magdalena Grüber
ICDT
2007
ACM
160views Database» more  ICDT 2007»
16 years 1 months ago
Beauty and the Beast: The Theory and Practice of Information Integration
Information integration is becoming a critical problem for businesses and individuals alike. Data volumes are sky-rocketing, and new sources and types of information are proliferat...
Laura M. Haas
ICIC
2007
Springer
16 years 1 months ago
Analysis of Pi Series and Its Application to Image Encryption
Whether constant π (i.e., pi) is normal is a confusing problem without any strict theoretical demonstration except for some statistical proof. A new concept of pi series is introd...
Ting Chen, Feng Li
ICICS
2007
Springer
16 years 1 months ago
A Framework for Game-Based Security Proofs
Abstract. To be accepted, a cryptographic scheme must come with a proof that it satisfies some standard security properties. However, because cryptographic schemes are based on no...
David Nowak