Event detection plays an essential role in video content analysis. In this paper, we present
our approach based on motion relativity and feature selection for video event detection. First …

The need for Multimedia Indexing and Retrieval (MIR) is rising because of huge amount of
videos are producing day by day. This requires techniques for indexing and retrieving …

Hanli Wang, Lei Wang, Bo Xiao, Kuangtian Zhufeng Department of Computer Science and
Technology, Tongji University, 201804 Shanghai, PR China {hanliwang, 110_wangleixx …

In the TRECVID Instance Search (INS) task, it is known that use of BM25, which is an
improvement of the TFIDF, greatly improves retrieval performance. Its calculation, however …

Video event classification and retrieval has recently emerged as a challenging research
topic. In addition to the variation in appearance of visual content and the large scale of the …

This paper develops and tests a new theoretical explanation for stock repurchases. Investors
may disagree with the manager about the firm's investment projects. A repurchase causes a …

Recently more and more videos have been shared through the websites such as youtube.
com. In order to utilize them efficiently, instance search (INS) techniques which find a …

The potential for Web applications to bring educational multimedia to remote learner
locations is sometimes limited by the realities of hardware and networking. In trying to weigh …