Information retrieval: search algorithms, information extraction, question answering, cross-lingual retrieval and multimedia retrieval.
信息获取：搜索算法、信息抽取、自动应答、跨语言获取、多媒体获取。
This paper introduces the principle and characteristics of multimedia information retrieval and elucidates content-based multimedia retrieval technology of image, video and audio.
本文介绍了多媒体信息检索的原理与特点，着重阐述了基于内容的图像检索、视频检索和音频检索技术。
Content-based audio retrieval has been the studied hotspot of multimedia retrieval.
基于内容的音频检索已成为多媒体检索技术的研究热点。
So, the Content Based image and Video retrieval technology comes into being and become an important research area in multimedia retrieval and image processing.
由此，基于内容的图像和视频检索技术得到了越来越多的重视，成为了多媒体信息检索和图像处理领域中的重要研究方向。
The researchers will present their findings at the International Conference on Multimedia Retrieval in Trento, Italy later this month.
不久后，研究者将在本月意大利特伦托举行的国际多媒体检索会议上，阐述他们的发现。
Content Based Multimedia retrieval includes the image, audio and video retrieval, among which this paper does the most research on the image retrieval.
基于内容的多媒体检索，包括图像、音频和视频等信息的检索，本文主要是对基于内容的图像检索进行了研究。
Content Based Multimedia retrieval includes the image, audio and video retrieval, among which this paper does the most research on the image retrieval.
基于内容的多媒体检索，包括图像、音频和视频等信息的检索，本文主要是对基于内容的图像检索进行了研究。
应用推荐