计算机科学 ›› 2014, Vol. 41 ›› Issue (10): 106-109.doi: 10.11896/j.issn.1002-137X.2014.10.024
王冲鶄,赵旭,刘允才
WANG Chong-jing,ZHAO Xu and LIU Yun-cai
摘要: 密集场景分析是目前计算机视觉领域的热点和难点课题。提出了一种新的密集场景下集群目标运动模式的分析算法。该算法根据集群目标运动特有的规则获取集群目标的轨迹片段,对轨迹片段学习后验散度,得出产生式-判别式混合特征映射,该特征映射有效地将底层特征和运动模式的语义信息结合起来。通过对特征映射进行基于图模型算法的无监督分层聚类,挖掘出集群目标运动模式信息。实验结果准确地揭示了当前视频中运动模式的分布,证明了 该算法的有效性。
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