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VTC
2007
IEEE
108views Communications» more  VTC 2007»
16 years 1 months ago
OFDM with Cyclic-Pilot Time Diversity
Abstract— We present a novel transceiver design for orthogonal frequency-division multiplexing (OFDM) wireless systems employing pilot symbol aided channel estimation (PSACE). Th...
Ali Yazdanpanah, Behrang Nosrat-Makouei, Rodney G....
WACV
2007
IEEE
16 years 1 months ago
Threshold-based 3D Tumor Segmentation using Level Set (TSL)
Three-dimensional segmentation is reliable approach to achieve a proper estimation of tumor volume. Among all possible methods for this purpose, level set can be used as a powerfu...
Sima Taheri, Sim Heng Ong, Vincent Chong
DFG
2007
Springer
16 years 29 days ago
A Framework for Visualizing Multivariate Geodata
: In urban planning, sophisticated simulation models are key tools to estimate future population growth for measuring the impact of planning decisions on urban developments and the...
Ariane Middel
ISSAC
2007
Springer
131views Mathematics» more  ISSAC 2007»
16 years 28 days ago
Some recent progress in exact linear algebra and related questions
We describe some major recent progress in exact and symbolic linear algebra. These advances concern the improvement of complexity estimates for fundamental problems such as linear...
Gilles Villard
MIRAGE
2007
Springer
16 years 28 days ago
Segmentation of Soft Shadows Based on a Daylight- and Penumbra Model
Abstract. This paper introduces a new concept within shadow segmentation for usage in shadow removal and augmentation through construction of an alpha overlay shadow model. Previou...
Michael Nielsen, Claus B. Madsen