Extracting Sport Video Semantics: Research and Applications

Extracting Sport Video Semantics: Research and Applications

Chia-Hung Yeh (National Sun Yat-sen University, Taiwan), Wen-Yu Tseng (National Sun Yat-sen University, Taiwan), Yu-Dun Lin (National Sun Yat-sen University, Taiwan) and Chih-Chung Teng (National Sun Yat-sen University, Taiwan)
DOI: 10.4018/978-1-61350-126-9.ch008
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Abstract

Recent developments in video content analysis contribute to the emergence of multimedia database management. With the rapid growth of digital videos, efficient tools are essential to facilitate content indexing, searching, retrieving, browsing, skimming, and summarization. Sport video analysis has attracted lots of research attention because of its entertainment applications and potential commercial benefits. Sport video analysis aims to identify what excites audiences. Previous methods rely mainly on video decomposition, using domain specific knowledge. Research on suitable and efficient techniques for sport video analysis has been conducted extensively over the last decade. However, several longstanding challenges, such as semantic gap and commercial detection, are still waiting to be resolved. This chapter reviews research on sport video analysis and investigates the potential applications and future trends of sport video analysis.
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Introduction

Rapid developments of digital video processing technologies and communication infrastructure, along with the increase of bandwidth, enable the easy access, editing, and distribution of video contents. More and more digital videos are now available for entertaining, commercial, educational, and other purposes. As videos become important sources of everyday knowledge, one of the major problems that we face nowadays is the ways to manage the explosive amounts of videos generated everyday effectively, promoting high-quality modes of life and consumer technology.

Multimedia and communication technologies have become maturer after their rapid development for almost half of a century. Digital technologies are now widely applied to speech, audio, video, and graphics in various commercial applications. Furthermore, the availability of broadband wired/wireless infrastructures and new technologies, such as peer-to-peer networking, has changed the distribution and exchange of digital media. In this new era, research has shifted its focus from technology development to novel applications.

Content-based video analysis aims at organizing videos into systematic structures so that their semantic contents can be effectively represented by still images, video clips, graphical representations, and textual descriptors (Manjunath, 2000, 2002; Chang, 2001). Significant audio and visual cues are used as the foundation for video presentation. Suitable and effective techniques for video content analysis have been studied and developed extensively over the last decade. Due to the content variations of each of the videos, the style and extent selected vary greatly and no standard can be found, which should be included and excluded for content-based video analysis. Furthermore, the ways to extract the semantic meaning of videos are generally known to be an open and challenging problem (Chang, 1997; Li, 2006; Rui, 1998; Yeh, 2005).

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