有限带宽网络中的实时图像传输算法研究Research on real-time image transmission algorithm in bandwidth-limited network
黄辉,李哲,黄兴利
摘要(Abstract)：
研究一种有限带宽网络中的实时图像传输算法。首先建立一个简单有效的监控网络架构,允许多个视频监控节点接入网络,并通过同步机制使其数据传输受控而不会出现冲突。然后在监控节点本地对图像数据进行高达85%的压缩,使得各节点能满足图像数据实时传输的需要,同时大幅度降低系统整体功耗。最后基于NVIDIA TX1构建了4个测试节点对所提算法进行仿真测试,验证系统框架和压缩算法的有效性。
关键词(KeyWords)： 带宽受限网络;实时图像传输;压缩算法;能耗控制;同步网络架构;NVIDIA Tegra平台
基金项目(Foundation): 湖北省教育厅基金项目(B2017506);; 湖北省自然科学基金(2018CFB314);; 温州市科技资助计划(LYG20160020)~~
作者(Author): 黄辉,李哲,黄兴利
DOI: 10.16652/j.issn.1004-373x.2018.21.012
参考文献(References)：
- [1] CHOI K W,GINTING L,ROSYADY P A,et al. Wirelesspowered sensor networks:how to realize[J]. IEEE transactions on wireless communications,2017,16(1):221-234.
- [2] GAUR A,SCOTNEY B W,PARR G,et al. Smart city architecture and its applications based on IoT[J]. Procedia computer science,2015,52(1):1089-1094.
- [3] HODGE V J,OKEEFE S,WEEKS M,et al. Wireless sensor networks for condition monitoring in the railway industry:a survey[J]. IEEE transactions on intelligent transportation systems,2015,16(3):1088-1106.
- [4] LEE J,SHAH B,PAU G,et al. Real-time communication in wireless sensor networks[J]. Wireless communications and mobile computing,2018(1):1-2.
- [5] ROWE A,ROSENBERG C R,NOURBAKHSH I R,et al. A low cost embedded color vision system[C]//2002 IEEE Intelligent Robots and Systems. Lausanne:IEEE,2002:208-213.
- [6] RAHIMI M H,BAER R,IROEZI O,et al. Cyclops:in situ image sensing and interpretation in wireless sensor networks[C]//Proceedings of the 3rd International Conference on Embedded Networked Sensor Systems. San Diego:ACM,2005:192-204.
- [7] WANG Y,LIU Z,WANG D,et al. Anomaly detection and visual perception for landslide monitoring based on a heterogeneous sensor network[J]. IEEE sensors journal, 2017, 17(13):4248-4257.
- [8] REDONDI A,BAROFFIO L,BIANCHI L,et al. Compressthen-analyze versus analyze-then-compress:what is best in visual sensor networks?[J]. IEEE transactions on mobile computing,2016,15(12):3000-3013.
- [9] XIE L,SHI Y,HOU Y T,et al. Multi-node wireless energy charging in sensor networks[J]. IEEE/ACM transactions on networking,2015,23(2):437-450.
- [10] GALLUCCIO L,MILARDO S,MORABITO G,et al. SDNWISE:design,prototyping and experimentation of a stateful SDN solution for wireless sensor networks[C]//IEEE International Conference on Industrial Automation and Control Emerging Technology Applications. Taipei, China:IEEE,1995:513-521.
- [11] LI Zhe,MU Dejun,ZHANG Tianfan,et al. Research on hybrid distributed computing system based on embedded system[J]. International journal of grid and distributed computing,2016,9(11):95-110.
- [12] LI Z,ZHANG H,MU D,et al. Random time delay effect on out-of-sequence measurements[J]. IEEE access,2016(4):7509-7518.