In this paper, problems of the video information classification and retrieval are discussed, including video structuring, feature abstracting, feature optimizing and feature classifying, etc.

本文主要针对基于内容的视频信息分类检索中的若干问题展开讨论研究，包括视频结构化、特征提取、特征优化以及特征分类等等。

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Another (optional) CommonStore feature is the so-called intelligent abstracting where the CSLD task creates a summary of the mail content and puts it into the mail body after archiving.

另外一个(可选的)CommonStore特性就是所谓的智能抽象(intelligent abstracting)，在该特性中，CSLD任务创建邮件内容的一个摘要，并在归档后将其放入邮件的主体中。

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A welding seam tracking and controlling system has been presented, and abstracting the feature of the seam images.

分析了视觉传感焊缝跟踪系统的原理和特点。

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