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Statistical Framework for Shot Segmentation and Classification in Sports Video

机译:射击分割和体育视频分类的统计框架

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In this paper, a novel statistical framework is proposed for shot segmentation and classification. The proposed framework segments and classifies shots simultaneously using same difference features based on statistical inference. The task of shot segmentation and classification is taken as finding the most possible shot sequence given feature sequences, and it can be formulated by a conditional probability which can be divided into a shot sequence probability and a feature sequence probability. Shot sequence probability is derived from relations between adjacent shots by Bi-gram, and feature sequence probability is dependent on inherent character of shot modeled by HMM. Thus, the proposed framework segments shot considering the character of intra-shot to classify shot, while classifies shot considering character of inter-shot to segment shot, which obtain more accurate results. Experimental results on soccer and badminton videos are promising, and demonstrate the effectiveness of the proposed framework.
机译:本文提出了一种新颖的统计框架,用于拍摄分割和分类。所提出的框架段和基于统计推断使用相同的差异特征同时分类拍摄。拍摄分割和分类的任务被认为是找到给定特征序列的最可能射击序列,并且可以通过条件概率来配制,该概率可以被分成镜头序列概率和特征序列概率。拍摄序列概率来自双克相邻射击之间的关系,并且特征序列概率取决于HMM建模的镜头的固有特征。因此,所提出的框架段拍摄考虑到分类镜头的内部射击的特征,同时考虑考虑到拍摄次拍摄的特征的拍摄,从而获得更准确的结果。足球和羽毛球视频的实验结果是有前途的,并证明了拟议框架的有效性。

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