Báo cáo hóa học: " Research Article Incremental Support Vector Machine Framework for Visual Sensor Networks" pptx

... in Signal Processing Volume 2007, Article ID 64270, 15 pages doi:10.1155/2007/64270 Research Article Incremental Support Vector Machine Framework for Visual Sensor Networks Mariette Awad, 1, ... demonstrate machine learning in visual sensor net- works using our incremental SVM methodology. During the incremental learning phase, sensor nodes need to perform lo...

Ngày tải lên: 22/06/2014, 23:20

... Communications and Networking Volume 2010, Article ID 195910, 13 pages doi:10.1155/2010/195910 Research Article Efficient Vector- Based Forwarding for Underwater Sensor Networks Peng Xie, 1 Zhong Zhou, 2 Nicolas ... propose vector- based forwarding (VBF), a geographic routing protocol. In VBF, the forwarding path is guided by a vector from the source to the target, no state infor...

Ngày tải lên: 21/06/2014, 17:20

... properly cited. 1. INTRODUCTION Wireless sensor networks (WSNs) in recent years have emerged as key systems for information gathering and control. Sensors gather information from the environment through ... protocol (MCCP) for wireless sensor networks. MCCP is capable of mitigating congestion while providing maximum event region information, per-node fair event region information, and...

Ngày tải lên: 21/06/2014, 23:20

... signature vectors of the sensors. 3.3. Performance analysis for GLRT decision rule For the optimum ML decision rule, a closed-form perfor- mance analysis does not seem to be feasible. However, for- tunately ... log 10 (E b /N 0 ) = 15 dB for all cases. As expected, the network with K = 30 sensors performs better than the network with K = 10 sensors for any N regardless of the senso...

Ngày tải lên: 22/06/2014, 19:20

... Advances in Signal Processing Volume 2007, Article ID 21646, 17 pages doi:10.1155/2007/21646 Research Article A Novel Distributed Privacy Paradigm for Visual Sensor Networks Based on Sharing Dynamical ... follow this philosophy. In the spirit of sensor networks, we opt for a densely dis- tributed architecture in which every sensor is equipped with a camera for visual acq...

Ngày tải lên: 22/06/2014, 23:20

... Communications and Networking Volume 2008, Article ID 456703, 9 pages doi:10.1155/2008/456703 Research Article Efficient Path Key Establishment for Wireless Sensor Networks Noureddine Mehallegue, ... that, for a medium dense network (R = 8), ALG3 outperforms both ALG1 and ALG2. Finally, for a dense network (R = 12), ALG3 still performs better than both ALG1 and ALG2. Thus, ALG3 o...

Ngày tải lên: 21/06/2014, 22:20

... Wireless Communications and Networking Volume 2009, Article ID 479512, 7 pages doi:10.1155/2009/479512 Research Article On PHY and MAC Performance in Body Sensor Networks Sana Ullah, 1 Henry Higgins, 2 S. ... 3.57 Parameter 0.26 2.88 2.77 provides reliable solution for an on-body sensor network but it has several limitations for an in-body sensor network. The main reason is th...

Ngày tải lên: 21/06/2014, 23:20

... Advances in Signal Processing Volume 2010, Article ID 312989, 19 pages doi:10.1155/2010/312989 Research Article A G eneralized Cauchy Distribution Framework for Problems Requiring Robust Behavior Rafael ... we for- mulate four particular applications under this framework: (1) filtering for power line communications, (2) estimation in sensor networks with noisy channels, (3) r...

Ngày tải lên: 21/06/2014, 08:20

... reduced to 0 for this scenario, since for some cases, there exist tags that are not covered by any reader. For large values of β, the results obtained are similar to that obtained for a uniform distribution ... through simulation for n = 5for varying overlap factor α with guard times based on different δ. This was not accounted for in our analysis in Section 4. With the protocol p...

Ngày tải lên: 21/06/2014, 11:20

... 0.02 Density of locators Figure 5: Performance of the first-three-locators scheme and the B-TSCD scheme. step lengths all outperform E-TSCD. For M-TSCD, the performance is increased when the step ... requires more resource for the attackers. For example, the attackers cannot obtain the hash function H( ·) shared by the nodes. Therefore, they cannot generate fake messages for nonexisted...

Ngày tải lên: 21/06/2014, 11:20