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ICASSP
2009
IEEE
15 years 4 months ago
Log-likelihood ratio clipping in MIMO-BICM systems: Information geometric analysis and impact on system capacity
The clipping of log-likelihood ratios (LLRs) in soft demodulators for multiple-input multiple-output (MIMO) systems with bitinterleaved coded modulation (BICM) was recently observ...
Stefan Schwandter, Peter Fertl, Clemens Novak, Ger...
ICDAR
2009
IEEE
15 years 4 months ago
Evaluation of Different Strategies to Optimize an HMM-Based Character Recognition System
Different strategies for combination of complementary features in an HMM-based method for handwritten character recognition are evaluated. In addition, a noise reduction method is...
Murilo Santos, Albert Hung-Ren Ko, Luiz S. Oliveir...
ICIP
2009
IEEE
15 years 4 months ago
Multiregion level-set segmentation of synthetic aperture radar images
Due to the presence of speckle, segmentation of SAR images is generally acknowledged as a difficult problem. A large effort has been done in order to cope with the influence of sp...
Michael Ying Yang
CORR
2010
Springer
161views Education» more  CORR 2010»
15 years 4 months ago
CrystalGPU: Transparent and Efficient Utilization of GPU Power
General-purpose computing on graphics processing units (GPGPU) has recently gained considerable attention in various domains such as bioinformatics, databases and distributed comp...
Abdullah Gharaibeh, Samer Al-Kiswany, Matei Ripean...
JSAC
2011
82views more  JSAC 2011»
15 years 1 months ago
Optimal Cognitive Access of Markovian Channels under Tight Collision Constraints
Abstract—The problem of cognitive access of channels of primary users by a secondary user is considered. The transmissions of primary users are modeled as independent continuous-...
Xin Li, Qianchuan Zhao, Xiaohong Guan, Lang Tong