机构地区: 华南理工大学电子与信息学院无线电与自动控制研究所
出 处: 《计算机应用研究》 2005年第5期1-7,共7页
摘 要: 概述了图像的可视化特征如颜色、纹理、形状和运动信息,时空关系分析,以及多特征目标提取和相似度量度;分析了视频语义的提取,语义查询、检索;探讨了视频语义检索的性能评估,存在的问题和发展方向。 Many information systems require a large multimedia storage and retrieval, including browsing, querying, etc. Image retrieval technique has gradually matured. Video semantic retrieval is yet a research hotspot. In this paper, we first discuss some visual features such as color, shape, texture and motion information, spatial temporal analysis, multi feature object extraction and similarity measure. Second, we analysis video semantic object extraction,retrieval via semantic query. At last, we discuss the performance evaluation of video semantic retrieval, open issues and promising directions.
关 键 词: 特征提取 图像检索 时空分析 视频语义物体 视频查询 语义检索
领 域: [自动化与计算机技术] [自动化与计算机技术]