With the requirements of multimedia service increasing in people' s life, sensor modules such as microphone, camera are added in the smart home' s sensor network, and the acquisition and processing of a large amount...With the requirements of multimedia service increasing in people' s life, sensor modules such as microphone, camera are added in the smart home' s sensor network, and the acquisition and processing of a large amount of information media such as audio, image and video is becoming a significant characteristics of smart home. The paper focuses on solving the following technical problems: the building of Zigbee multimedia network, the Design and selection of multimedia sensor node. These provide the basic network platform and the core technical support for the building of smart home.展开更多
文摘With the requirements of multimedia service increasing in people' s life, sensor modules such as microphone, camera are added in the smart home' s sensor network, and the acquisition and processing of a large amount of information media such as audio, image and video is becoming a significant characteristics of smart home. The paper focuses on solving the following technical problems: the building of Zigbee multimedia network, the Design and selection of multimedia sensor node. These provide the basic network platform and the core technical support for the building of smart home.
文摘文章设计并实现一种可运行于无线多媒体传感网中的无线视频节点。采用低功耗的S3C2440(一款ARM处理器为核心的开发板)为处理核心,完成基于V4L2(Video 4linux 2,Linux中关于视频设备的内核驱动)的视频采集驱动及H.264硬件编解码,最终在其上运行实时传输协议(Real-time transport protocol,RTP),实现无线视频传输,取得了较好的传输效果。