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Displaying 1-12 out of 12 total
A New Variable Step Size LMS Adaptive Filtering Algorithm
Found in: Computer Science and Electronics Engineering, International Conference on
By Wei Ao,Wan-Qin Xiang,You-Peng Zhang,Lei Wang,Chun-Ying Lv,Zheng-Hua Wang
Issue Date:March 2012
pp. 265-268
Focus on the inconsistency between the convergence rate and the steady state error in LMS algorithm, this paper proposed a new variable step size LMS(VSS-LMS) algorithm, by constructing a nonlinear function between the step factor µ and the error signal e...
 
A GPU Accelerated Algorithm for Compressive Sensing Based Image Super-Resolution
Found in: Digital Media and Digital Content Management, Workshop on
By Xifei Wu, Hui Xiang, Peng Lu
Issue Date:May 2011
pp. 198-202
this paper presents a parallel algorithm designed for Super-resolution Image Reconstruction based on Compressive sensing in the ATI Stream platform. In the accelerating process, we select part of the serial program as the objects to be sped up according to...
 
The Application of Unsupervised Clustering in Radar Signal Preselection Based on DOA Parameters
Found in: Pervasive Computing, Signal Porcessing and Applications, International Conference on
By Xiang-Peng Zhu, Ming Jin, Wei-Qiang Qian, Shuai Liu, Yu-Mei Wei
Issue Date:September 2010
pp. 956-959
With the deterioration of electronic environment, using signals DOA (direction of arrival) parameters has great significance to preselect multiple radar pulses. Cluster analysis as an important means of data classification, is gradually applied to radar si...
 
An Implementation of Post-Processing Software in Quantum Key Distribution
Found in: Computer Science and Information Engineering, World Congress on
By Xiaxiang Lin, Xiang Peng, Hao Yan, Wei Jiang, Tian Liu, Hong Guo
Issue Date:April 2009
pp. 243-247
Post-processing is an important part of Quantum Key Distribution (QKD) system. This paper discusses the motivation for designing a multi-thread QKD post processing software, its architecture, communication protocol specification, and synchronization issues...
 
Efficiency of Winnow Protocol in Secret Key Reconciliation
Found in: Computer Science and Information Engineering, World Congress on
By Hao Yan, Xiang Peng, Xiaxiang Lin, Wei Jiang, Tian Liu, Hong Guo
Issue Date:April 2009
pp. 238-242
Secret key reconciliation is an important step in the process of quantum key distribution. In the protocols used for reconciliation, Winnow has been proved a fast and efficient one. In this paper, we analyze the efficiency of Winnow in terms of amount of l...
 
Information Reconciliation Protocol in Quantum Key Distribution System
Found in: International Conference on Natural Computation
By Hao Yan, Tienan Ren, Xiang Peng, Xiaxiang Lin, Wei Jiang, Tian Liu, Hong Guo
Issue Date:October 2008
pp. 637-641
In the system of quantum key distribution (QKD), errors may occur in the initial keys due to system noise or eavesdropping during the transmission on quantum channel. The goal of information reconciliation is to remove these errors by exchanging messages o...
 
Study on Driving Behavior and Traffic Conflict at Highway Intersection
Found in: Power Electronics and Intelligent Transportation System, Workshop on
By Xing Ge, Jian Lu, Qiao-Jun Xiang, Peng-Ying Wang
Issue Date:August 2008
pp. 492-495
Traffic conflict studies have been accepted because the data and the effectiveness of a treatment of safety problems can be collected and evaluated in a short period of time. Driving behavior is the reflection of the vehicles operating characteristic, and ...
 
A Thresholding Algorithm Based on Probabilistic Rough Set for Image Segmentation
Found in: Computational Intelligence and Design, International Symposium on
By Min Dong, Hui Rong Jiang, Xiang Peng Li
Issue Date:October 2008
pp. 13-16
A new thresholding algorithm and its multi-threshold extension are presented to improve the performance of image segmentation. The probabilistic Rough set is used to portray the objects and backgrounds in image. The optimal threshold is given through a min...
 
Efficient training on biased minimax probability machine for imbalanced text classification
Found in: Proceedings of the 16th international conference on World Wide Web (WWW '07)
By Irwin King, Xiang Peng
Issue Date:May 2007
pp. 1153-1154
The Biased Minimax Probability Machine (BMPM) constructs a classifier which deals with the imbalanced learning tasks. In this paper, we propose a Second Order Cone Programming (SOCP) based algorithm to train the model. We outline the theoretical derivative...
     
A user profile-based approach for personal information access: shaping your information portfolio
Found in: Proceedings of the 15th international conference on World Wide Web (WWW '06)
By Irwin King, Lo Ka Kan, Xiang Peng
Issue Date:May 2006
pp. 921-922
In the spread of internet, internet-based information service business has started to become profitable. One of the key technologies is personalization. Successful internet information services must realize personalized information delivery, by which the u...
     
Multipath Mitigation of Low Elevation for Passive Monopulse Radar Based on FRFT
Found in: Pervasive Computing, Signal Porcessing and Applications, International Conference on
By Qian Wei-qiang, Qiao Xiao-lin, Zhu Xiang-peng, Wei Yu-mei
Issue Date:September 2010
pp. 948-951
A novel algorithm for mitigating multipath effect of low elevation for passive monopulse radar based on the fractional Fourier transform (FRFT) is proposed with constructing the multipath model in this paper. Reflection LFM signal filtered and mitigated in...
 
3-Dimensional Modelling for the Rock Slope Excavation and Reinforcement by the Bolts in Civil Engineering
Found in: Computer Engineering and Applications, International Conference on
By Wen-xiang Peng, Jia-wen Cao, Zhong-ming He
Issue Date:March 2010
pp. 134-137
Rock jointed slopes are widely existed in geotechnical engineering, whose stability is the main content for design and construction. Recently, the limit equilibrium method is still mainly adopted to analyze the stability of jointed slope, in which the neit...
 
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