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GLOBECOM
2008
IEEE
15 years 4 months ago
Noise Thresholds for Discrete LDPC Decoding Mappings
— For decoding low-density parity-check (LDPC) codes on discrete memoryless channels, a method to quantize messages and to find message-passing decoding functions for the variab...
Brian M. Kurkoski, Kazuhiko Yamaguchi, Kingo Kobay...
ICC
2007
IEEE
135views Communications» more  ICC 2007»
15 years 4 months ago
Characterization of Mutual Information of Spatially Correlated MIMO Channels with Keyhole
— We characterize the statistical properties of the mutual information between the transmitter and the receiver of a multiple-input multiple-output (MIMO) communication system in...
Andreas Müller, Joachim Speidel
VTC
2007
IEEE
364views Communications» more  VTC 2007»
15 years 4 months ago
Outage Probability of MIMO Systems with Receive Antenna Selection in Spatially Correlated Rayleigh Fading Channels
—We consider a receive antenna selection MIMO system, where only one receive antenna is selected out of Nr antennas. Spatial channel correlation will be considered at the receive...
Zhemin Xu, Sana Sfar, Rick S. Blum
WACV
2007
IEEE
15 years 4 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
KES
2007
Springer
15 years 4 months ago
Random Germs and Stochastic Watershed for Unsupervised Multispectral Image Segmentation
This paper extends the use of stochastic watershed, recently introduced by Angulo and Jeulin [1], to unsupervised segmentation of multispectral images. Several probability density ...
Guillaume Noyel, Jesús Angulo, Dominique Je...