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SCALESPACE
2009
Springer
16 years 1 months ago
A Variational Model for Interactive Shape Prior Segmentation and Real-Time Tracking
In this paper, we introduce a semi-automated segmentation method based on minimizing the Geodesic Active Contour energy incorporating a shape prior. We increase the robustness of t...
Manuel Werlberger, Thomas Pock, Markus Unger, Hors...
CISS
2008
IEEE
16 years 28 days ago
Coordinated beamforming for the multi-cell multi-antenna wireless system
—In a conventional wireless cellular system, signal processing is performed on a per-cell basis; out-of-cell interference is treated as background noise. This paper considers the...
Hayssam Dahrouj, Wei Yu
ICC
2008
IEEE
115views Communications» more  ICC 2008»
16 years 27 days ago
Joint Power Scheduling and Estimator Design for Sensor Networks Across Parallel Channels
—This paper addresses the joint estimator and power optimization problem for a sensor network whose mission is to estimate an unknown parameter. We assume a two-hop network where...
Lauren M. Huie, Xiang He, Aylin Yener
ICC
2008
IEEE
107views Communications» more  ICC 2008»
16 years 27 days ago
Minimum BER Transmit Beamforming for MIMO-OFDM Systems with Finite Rate Feedback
— In this paper, we consider minimum bit error rate (BER) beamforming (BF) for multiple–input multiple–output orthogonal frequency division multiplexing (MIMO–OFDM) systems...
Yang-wen Liang, Robert Schober, Wolfgang H. Gersta...
WACV
2008
IEEE
16 years 25 days ago
A Vision-Based System For Automatic Detection and Extraction Of Road Networks
In this paper we present a novel vision-based system for automatic detection and extraction of complex road networks from various sensor resources such as aerial photographs, sate...
Charalambos Poullis, Suya You, Ulrich Neumann