Information storage/retrival method of video files based on MPEG-7 in monitoring system, wherein, 1) video files information storage step includes: obtaining video data;
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The invention discloses a method for establishing tags for video and audio data and a device therefor. The method comprises the following steps: obtaining video and audio data and log data of a case;
本发明公开了一种视频音频资料建立标签的方法和装置，包括：获取案例的视频音频资料和场记资料；
Video recognition technology is introduced into obtaining the travel time data, and this data is used to verify the algorithm. The results show that the error of the algorithm is around 10 percent.
本文选取北京市北三环安装有微波检测器的路段作为实验路段，并利用视频识别技术采集路段的旅行时间数据对算法进行验证。
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