多媒体语义研究是多媒体数据处理与多媒体信息服务领域的核心和关键问题。多媒体数据的语义问题源于多媒体的数据获取方式,在多媒体数据的应用阶段,这一问题成为制约多媒体数据使用和创作的重要瓶颈。语义模型研究是多媒体语义研究的重点,是多媒体数据处理过程的总结和抽象,其实质就是研究多媒体数据整个生命周期的语义问题。介绍了近几年多媒体语义模型在内容描述、语义表示、数据检索三个方面的研究进展情况。
Multimedia semantic research is one of the most important issues in multimedia analyzing and multimedia information service field.This issue originated from multimedia data's capture becomes an important bottleneck in multimedia applications.Multimedia semantic model is a summary and abstraction of multimedia processing,and focuses on all semantic problems existing in the lifecycle of multimedia data.The theme introduced the research developments of multimedia semantic models in content description,semantic representation and retrieval models.