Special Report, Americas, Science

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kinoteatrzarya
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Over the last few decades, several approaches have been proposed to automate video summarization. Keyframes are also known as static stories, representative frames, or static image summaries; in contrast, keyshots can be referred to as video skims, dynamic storyboards, or dynamic image summaries. The keyframe-based method selects a small number of image sequences from the original video, which presents an approximate visual representation. The keyshots consisted of typical continuous video segments of the full-length video that were shorter than the original video. In general, keyframe-based summaries are lighter in size than keyshot-based summaries. However, this gain is achieved at the cost of neglecting valuable information during the summarization process. For example, obtaining the context of the previous frame in a keyframe-based summary is challenging. In addition, it lacks the original sound. Consequently, keyshot-based video summarization methods are predominantly selected to overcome these challenges. Keyshot-based video summarization methods are used to produce subsets for short-form videos (i.e., user-generated TikToks and news) or long-form videos (i.e., feature-length films and soccer matches).




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