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Web-based Real Time Content Processing and Monitoring Service for Digital TV Broadcast

机译：基于Web的实时内容处理和数字电视广播的监控服务

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摘要

In this paper, we describe a real time content processing and monitoring service for digital TV broadcast. Broadcast monitoring has a wide range of applications, including tracking advertisement air time, detecting inconsistency in electronic program guide, enabling personalized alerting services, maintaining the Quality of Service, etc. Our TV content processing and monitoring system has a modular design, where various real time multimedia content analysis components can be plugged in flexibly. As a proof of concept, we incorporated the following processing modules in the prototype: automatic speech recognition, closed caption extraction, text normalization, keyword extraction, shot boundary detection, face detection and recognition, and near duplicate keyframe detection. These processing components detect a rich set of metadata information, which is collected by the video monitoring server. On a web interface, users can tune to different digital TV channels or pre-recorded video content, and monitor the extracted metadata information as well as watch the video itself.
机译：在本文中，我们描述了用于数字电视广播的实时内容处理和监控服务。广播监控具有广泛的应用，包括跟踪广告空中时期，检测电子节目指南中的不一致，实现了个性化的警报服务，维护服务质量等。我们的电视内容处理和监控系统具有模块化设计，在其中各种真实的设计时间多媒体内容分析组件可以灵活插入。作为概念证明，我们在原型中纳入了以下处理模块：自动语音识别，关闭标题提取，文本归一化，关键字提取，射击边界检测，面部检测和识别以及近重复的关键帧检测。这些处理组件检测到一组丰富的元数据信息，由视频监控服务器收集。在Web界面上，用户可以调谐到不同的数字电视频道或预先录制的视频内容，并监控提取的元数据信息以及观看视频本身。

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