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ACISP
2003
Springer
15 years 5 months ago
An Anonymous Credential System and a Privacy-Aware PKI
Abstract. In this paper we present a non-transferable anonymous credential system that is based on the concept of a chameleon certificate. A chameleon certificate is a special ce...
Pino Persiano, Ivan Visconti
ICDAR
2005
IEEE
15 years 6 months ago
Text Extraction from Name Cards with Complex Design
This paper addresses the problem of text extraction from name card images with fanciful design containing complicated color background and reverse contrast regions. The proposed m...
Lin Lin, Chew Lim Tan
ECUMN
2004
Springer
15 years 6 months ago
User-Empowered Programmable Network Support for Collaborative Environment
Abstract. We introduce a user-empowered UDP packet reflector to create virtual multicasting environments as an overlay on top of current unicast networks. The end-users’ ability...
Eva Hladká, Petr Holub, Jirí Denemar...
STACS
1999
Springer
15 years 4 months ago
On Quantum Algorithms for Noncommutative Hidden Subgroups
Quantum algorithms for factoring and finding discrete logarithms have previously been generalized to finding hidden subgroups of finite Abelian groups. This paper explores the ...
Mark Ettinger, Peter Høyer
ICASSP
2010
IEEE
15 years 24 days ago
Partial clustering using a time-varying frequency model for singing voice detection
We propose a new method to group partials produced by each instrument of a polyphonic audio mixture. This method works for pitched and harmonic instruments and is specially adapte...
Lise Regnier, Geoffroy Peeters