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Moving vistas: Exploiting motion for describing scenes

机译:移动远景:利用运动描述场景

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Scene recognition in an unconstrained setting is an open and challenging problem with wide applications. In this paper, we study the role of scene dynamics for improved representation of scenes. We subsequently propose dynamic attributes which can be augmented with spatial attributes of a scene for semantically meaningful categorization of dynamic scenes. We further explore accurate and generalizable computational models for characterizing the dynamics of unconstrained scenes. The large intra-class variation due to unconstrained settings and the complex underlying physics present challenging problems in modeling scene dynamics. Motivated by these factors, we propose using the theory of chaotic systems to capture dynamics. Due to the lack of a suitable dataset, we compiled a dataset of ‘in-the-wild’ dynamic scenes. Experimental results show that the proposed framework leads to the best classification rate among other well-known dynamic modeling techniques. We also show how these dynamic features provide a means to describe dynamic scenes with motion-attributes, which then leads to meaningful organization of the video data.
机译:在不受约束的环境中的场景识别是具有广泛应用的开放和具有挑战性的问题。在本文中,我们研究了场景动态的作用,以改善场景的改善。我们随后提出了可以使用场景的空间属性来增强动态属性,用于动态场景的语义有意义。我们进一步探索了用于表征无约束场景的动态的准确和概括的计算模型。由于无约束的设置和复杂的底层物理引起的大型级别变化在建模场景动态中存在挑战性问题。通过这些因素的激励,我们建议使用混沌系统理论来捕捉动态。由于缺少合适的数据集,我们编制了一个“野外”动态场景的数据集。实验结果表明,该框架的框架导致了其他众所周知的动态建模技术中的最佳分类率。我们还展示了这些动态特征如何提供描述具有运动属性的动态场景的手段,然后导致视频数据的有意义的组织。

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