Then it discusses general criteria for choosing a subject, such as originality, human interest, sentiment, informative content, universality of problems and visual potential of the topic.

以及选择拍摄对象时应考虑的一些普遍标准如新鲜性、接近性、人情味、信息量、问题的普遍性和对象的可拍性。

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Because scenes have much difference in appearance, we adopt unsupervised scene clustering for its universality, which groups video shots with similar visual content into same cluster.

对于视频来说，由于存在较大的场景差异，因此采用无监督的场景聚类，达到通用性的目的。

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