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基于上下文感知的内容适应算法及其在UPnP AV中的应用 被引量：3

Contest-based content adaptation algorithm and its application in UPnP AV
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摘要 针对UPnP AV如何根据AV播放环境进行内容适应的问题,提出一种基于上下文感知的内容适应算法CBCAA。首先获取AV播放环境上下文信息并进行分类;然后根据不同类型的上下文信息构建约束模型,利用约束满足求解方法得到相应的媒体内容描述决策集MDDS;最后将媒体源码按MDDS的描述转码,得到适应上下文要求的媒体内容目标码。CBCAA算法能够实现UPnP AV对AV播放环境的内容适应,从而提供智能多媒体服务。仿真实验表明了该算法的有效性。 The content adaptation based on context in UPnP AV is investigated. A Context-based Content Adaptation Algorithm （CBCAA） is proposed. First, the algorithm obtains and classifies the context information. Then it builds the constraint model according to the different types of information, and the constraint satisfaction method is used to acquire Media Description Decision Set （MDDS）. Finally, a bit-stream adaptation engine transcodes the media from source media to object media based on MDDS. CBCAA enables UPnP AV adapt the content to environment and provides intelligent services. Simulation results demonstrate the effectiveness of proposed algorithm.
作者 唐瑞春 冯骁 丁香乾 徐惠敏
机构地区 中国海洋大学信息科学与工程学院 海尔数字化家电国家重点实验室
出处 《吉林大学学报（工学版）》 EI CAS CSCD 北大核心 2014年第5期1441-1446,共6页 Journal of Jilin University:Engineering and Technology Edition
基金 国家科技重大专项项目(2013ZX03005011)
关键词 计算机应用 上下文感知 内容适应 约束满足问题 computer application context awareness content adaptation constraint satisfaction problem
分类号 TP391 [自动化与计算机技术—计算机应用技术]
  • 相关文献

参考文献11

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二级参考文献16

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共引文献11

同被引文献57

  • 1JI ShiMing1,2, XIAO FengQing1,2 & TAN DaPeng1,2 1Key Laboratory of Special Purpose Equipment and Advanced Manufacturing Technology, (Zhejiang University of Technology), Ministry of Education, Hangzhou 310014, China,2Key Laboratory of Special Purpose Equipment and Advanced Manufacturing Technology of Zhejiang Province, Hangzhou 310014, China.Analytical method for softness abrasive flow field based on discrete phase model[J].Science China(Technological Sciences),2010,53(10):2867-2877. 被引量：29
  • 2TAN DaPeng1,2,JI ShiMing1,LI PeiYu2 & PAN XiaoHong2 1 Key Laboratory of Special Purpose Equipment and Advanced Manufacturing Technology,Ministry of Education,Zhejiang University of Technology,Hangzhou 310014,China,2 Department of Mechanical Engineering,Zhejiang University,Hangzhou 310027,China.Development of vibration style ladle slag detection methods and the key technologies[J].Science China(Technological Sciences),2010,53(9):2378-2387. 被引量：7
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引证文献3

二级引证文献5

吉林大学学报（工学版）
2014年 第5期

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