随着数字技术和通信技术的快速发展,越来越多的普适设备能够接收和处理更多的多媒体信息。提供面向普适环境的多媒体个性化服务成为今天研究的热点。从普适个性化多媒体服务研究的不同侧面对其进行了综述,介绍了普适个性化多媒体服务的通用体系结构;对实现普适个性化多媒体服务的关键技术进行了详细的描述,包括描述模型、媒体代码转换与适应技术、用户喜好获取与更新和多媒体推荐技术;最后总结了现有的研究及其不足,指出进一步需要研究的方向。
With the rapid development of digital technologies and communication technologies,more and more pervasive end devices can receive and process more and more multimedia information.Provide personalized multimedia service to ubiquitous terminals becomes a hot topic in today's research.It presents a survey of various aspects of the research on ubiquitous(persona-)(lized) multimedia technology.It firstly introduces the general architecture of ubiquitous personalized multimedia service.Then,it describes four key technologies needed to implement it in great details,which are description model,media transcoding and adaptation, user preference acquirement and update,and multimedia recommendation.Finally, this paper concludes the current research,and puts forward some issues needing further research for ubiquitous personalized multimedia service.