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Automatically detecting violent scenes in videos not only has great potential in several applications (such as movie selection or recommendation for children) but also is a very hot academic research topic. Since 2011, violent scene detection task is one of the core tasks of MediaEval, a benchmarking initiative dedicated to evaluating new algorithms for multimedia access and retrieval1. In this paper,...
Person Re-Identification problem aims at matching people across a network of non-overlapping cameras. When multiple probe people appear concurrently, human could compare them together to give a more accurate matching. However, existing approaches treat each probe person independently, skipping the concurrent information. In this paper, we propose a re-ranking method which utilize that kind of information...
Combining global scene classification with object detection has helped in improving the classification accuracy. However, training an object detector requires a large amount of manual annotation. The object detector may also fail when the object is occluded. Meanwhile, the presence of the object is not only indicated by the entire object region but any of its parts or its correlations with other regions...
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