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Hongbo Jiang , Huazhong University of Science and Technology, Wuhan
Shengkai Zhang , Huazhong University of Science and Technology, Wuhan
Guang Tan , Chinese Academy of Sciences, Shenzhen
Chonggang Wang , InterDigital Communications, Pennsylvania
We present CABET, a novel Connectivity-bAsed Boundary Extraction scheme for large-scale Three-dimensional sensor networks. To the best of our knowledge, CABET is the first 3D-capable and pure connectivity-based solution for detecting sensor network boundaries. It is fully distributed, and is highly scalable, requiring overall message cost linear with the network size. A highlight of CABET is its nonuniform critical node sampling, called rʹ-sampling, that selects landmarks to form boundary surfaces with bias toward nodes embodying salient topological features. Simulations show that CABET is able to extract a well-connected boundary in the presence of holes and shape variation, with performance superior to that of some state-of-the-art alternatives. In addition, we show how CABET benefits a range of sensor network applications including 3D skeleton extraction, 3D segmentation, multi-resolution extraction, and 3D localization.
protocols, algorithms
Hongbo Jiang, Shengkai Zhang, Guang Tan, Chonggang Wang, "Connectivity-Based Boundary Extraction of Large-Scale 3D Sensor Networks: Algorithm and Applications", IEEE Transactions on Parallel & Distributed Systems, , no. 1, pp. 1, PrePrints PrePrints, doi:10.1109/TPDS.2013.97
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