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新闻视频中广告片段精确定位方法研究

DOI: 10.11834/jig.20090730

Keywords: 广告片段定位,聚类,时间和视觉特征,镜头检测,不平衡数据

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Abstract:

由于广告节目制作风格的多样性,新闻视频中广告片段的检测和定位是一个非常具有挑战性的问题。提出了一种新闻视频中广告片段定位的新方法。首先针对镜头切换和非镜头切换数目不平衡问题,设计了一种新的分类方法进行镜头检测,然后利用聚类分析粗略地标识广告块,最后通过分析相邻镜头的平均持续时间和镜头关键帧的视觉特征准确定位广告边界。实验结果表明,该方法具有较高的定位精度。

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