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TWC
2008
88views more  TWC 2008»
15 years 6 months ago
Turbo Estimation and Equalization for Asynchronous Uplink MC-CDMA
In this contribution, we propose a new code-aided synchronization and channel estimation algorithm for uplink MC-CDMA. The space alternating generalized expectationmaximization (SA...
Mamoun Guenach, Mohamed Marey, Henk Wymeersch, Hei...
CORR
2000
Springer
79views Education» more  CORR 2000»
15 years 6 months ago
Many uses, many annotations for large speech corpora: Switchboard and TDT as case studies
This paper discusses the challenges that arise when large speech corpora receive an ever-broadening range of diverse and distinct annotations. Two case studies of this process are...
David Graff, Steven Bird
IJCV
2000
161views more  IJCV 2000»
15 years 6 months ago
Probabilistic Detection and Tracking of Motion Boundaries
We propose a Bayesian framework for representing and recognizing local image motion in terms of two basic models: translational motion and motion boundaries. Motion boundaries are ...
Michael J. Black, David J. Fleet
DKE
1998
97views more  DKE 1998»
15 years 6 months ago
A Temporal Approach to Managing Schema Evolution in Object Database Systems
The issues of schema evolution and temporal object models are generally considered to be orthogonal and are handled independently. However, to properly model applications that nee...
Iqbal A. Goralwalla, Duane Szafron, M. Tamer Ö...
TMI
2010
160views more  TMI 2010»
15 years 4 months ago
Artifact Trapping During Time Reversal Photoacoustic Imaging for Acoustically Heterogeneous Media
—Several different reconstruction algorithms have been proposed for photoacoustic tomography, most of which presuppose that the acoustic properties of the medium are constant and...
Benjamin T. Cox, Bradley E. Treeby