Context Awareness Service System by Mobile Video Database Retrieval and Mining

由于诸如智能电话和平板PC等的移动的设备被普遍使用，并且诸如Wi-Fi的高速无线通信被广泛使用，因此现在可以开发一种系统来与移动的相机共享车载视频记录。本文的研究试图解决以下技术问题，以构建更加友好的上下文服务。我们将报告我们的研究结果，以提供道路上下文从检索大量的UGC风格收集视频数据库立即。我们解决的问题包括：（1）适用于地理时空检索的视频数据库结构，（2）引入流数据处理的高速视频数据库构建方法，（3）隐私保护上下文服务的图像处理方法，（4）依赖于电信环境的可伸缩上下文图像提供方法。利用这些技术问题，我们可以得到一个新的上下文感知服务系统的前景。

It is now possible to develop a system to share onboard video recordings with mobile camera, since mobile devices such as smart phones and tablet PCs etc. are commonly used and high speed wireless communication such as Wi-Fi is widely available. Our research tried to solve following technical issues in constructing more qualified friendly context services. We will report the results of our research in order to provide road context from retrieving a large amount of UGC styled collecting videos databases immediately. The issues we address include (1) Video database structure suitable for geo-spatial temporal retrievals, (2) High-speed video database construction method introducing stream data processing, (3) Image processing method for privacy preserving context services, (4) Scalable context image supply method depend on telecommunication environment. And using these technical issues, we can get prospects for a new context aware service system.