国家自然科学基金(60874104)

作品数：6被引量：42H指数：3
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相关作者：李建勋窦建方更多>>
相关机构：上海交通大学更多>>
相关期刊：《Chinese Optics Letters》《红外》《上海交通大学学报》《Control Theory and Technology》更多>>
相关主题：QUANTIZEDINNOVATIONLIMITEDDATA_FUSIONBANDWIDTH更多>>
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Data fusion for target tracking in wireless sensor networks using quantized innovations and Kalman filtering被引量：24
《Science China(Information Sciences)》2012年第3期530-544,共15页XU Jian LI JianXun XU Sheng 
supported by National Natural Science Foundation of China (Grant Nos. 61175008, 60935001,60874104);National Basic Research Program of China (Grant Nos. 2009CB824900, 2010CB734103);Space Foundation of Supporting-Technology (Grant No. 2011-HT-SHJD002);Aeronautical Science Foundation of China(Grant No. 20105557007)
A novel networked data-fusion method is developed for the target tracking in wireless sensor networks （WSNs）. Specifically, this paper investigates data fusion scheme under the communication constraint between the f...
关键词：data fusion target tracking limited bandwidth quantized innovation Kalman filtering 
Quantized innovations Kalman filter: stability and modification with scaling quantization被引量：3
《Journal of Zhejiang University-Science C(Computers and Electronics)》2012年第2期118-130,共13页Jian XU Jian-xun LI Sheng XU 
supported by the National Natural Science Foundation of China (Nos. 61175008, 60935001, and 60874104);the National Basic Research Program (973) of China (Nos. 2009CB824900 and 2010CB734103);the Space Foundation of Supporting-Technology (No. 2011-HT-SHJD002);the Aeronautical Science Foundation of China (No. 20105557007)
The stability of quantized innovations Kalman filtering (QIKF) is analyzed. In the analysis, the correlation between quantization errors and measurement noises is considered. By taking the quantization errors as a ran...
关键词：Kalman filtering Quantized innovation STABILITY Scaling quantization Wireless sensor network 
基于角点和Hu矩不变量的可见光和红外图像自动配准方法被引量：3
《红外》2011年第7期23-27,共5页窦建方 李建勋 
国家自然科学基金(60874104)
针对红外图像与可见光图像的自动配准问题,提出了一种基于图像角点特征和透视变换模型的方法。首先采用自适应阈值对红外与可见光图像进行分割,然后利用Harris因子分别在分割后的红外和可见光图像上检测角点。通过分析角点邻域在原始图...
关键词：图像配准 角点 Harris因子 透视变换 Hu矩不变量 RANSAC算法 
Analysis of quantization noise and state estimation with quantized measurements被引量：3
《控制理论与应用（英文版）》2011年第1期66-75,共10页Xu, Jian  Li, Jianxun  Xu, Sheng 
supported by National Natural Science Foundation (No. 60935001, 60874104);973 Project (No. 2009CB824900, 2010CB734103);the Shanghai Key Basic Research Foundation (No. 08JC1411800)
The approximate correction of the additive white noise model in quantized Kalman filter is investigated under certain conditions. The probability density function of the error of quantized measurements is analyzed the...
关键词：Wireless sensor networks Quantized observations Nonparametric density estimation Least-squares method Unscented transform 
Image registration method based on improved Harris corner detector被引量：8
《Chinese Optics Letters》2010年第6期573-576,共4页曾琦 刘浏 李建勋 
supported by the National Natural Science Foundation of China(Nos.60935001 and 60874104);the Space Foundation of Supporting-Technology (No.2008-HT-SHJD003);the Cultivation Fund of the Key Scientific Technical Project Ministry of Education of China(No.706022);the National"973"Project of China(No.2009CB824900),and the Shanghai Key Basic Research Foundation(No.08JC1411800).
Harris corner detector is a classic tool to extract feature.It is stable to illumination change and rotation but unstable to more complicated transform.In order to register images with different viewpoints,we extend H...
关键词：Detectors Feature extraction Image enhancement Wavelet transforms 
空对空多目标跟踪攻击系统作战效能分析被引量：1
《上海交通大学学报》2009年第2期161-164,共4页崔翰明 李建勋 
国家自然科学基金资助项目(60874104);上海市基础研究重点项目(08JC1411800);航空科学基金资助项目(20075157007)
空对空多目标跟踪攻击系统作战效能仿真与分析有助于航空电子综合火力控制系统的整体评价.从数字仿真的角度出发,建立了相控阵雷达多目标跟踪模型、三维空战次最优火控模型以及作战效能评估模型,基于航空电子综合火力控制系统的大闭环思...
关键词：航空电子综合系统 多目标跟踪攻击 效能评估 
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