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» Hierarchical presentation of expansion terms
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115
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SIGIR
1999
ACM
15 years 5 months ago
Deriving Concept Hierarchies from Text
This paper presents a means of automatically deriving a hierarchical organization of concepts from a set of documents without use of training data or standard clustering technique...
Mark Sanderson, W. Bruce Croft
MMSEC
2006
ACM
195views Multimedia» more  MMSEC 2006»
15 years 6 months ago
Image annotation watermarking: nested object embedding using hypergraph model
In this paper, we introduce to the special domain of image annotation watermarking, based on embedding of hierarchical data related to objects into user-selected areas on an image...
Claus Vielhauer, Maik Schott
139
Voted
IPMI
2005
Springer
16 years 1 months ago
Brain Segmentation with Competitive Level Sets and Fuzzy Control
We propose to segment 3D structures with competitive level sets driven by fuzzy control. To this end, several contours evolve simultaneously toward previously defined anatomical ta...
Cybèle Ciofolo, Christian Barillot
73
Voted
TSP
2008
74views more  TSP 2008»
15 years 17 days ago
Performance of ESPRIT for Estimating Mixtures of Complex Exponentials Modulated by Polynomials
High Resolution (HR) methods are known to provide accurate frequency estimates for discrete spectra. The Polynomial Amplitude Complex Exponentials (PACE) model, also called quasipo...
Roland Badeau, Gaël Richard, Bertrand David
85
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ICASSP
2011
IEEE
14 years 4 months ago
Joint blind estimation of carrier phase and frequency offset for QAM signals using circular harmonic decomposition
An algorithm is presented for joint blind estimation of carrier phase and frequency offset for signals with quadrature amplitude modulation (QAM). The algorithm is based on a circ...
Alexander B. Sergienko, Alexander V. Petrov