An Introduction to the Special Issue on Event Analysis in Videos
I NTEREST from industry and academia has increased dramatically over recent years in the challenging area of event analysis and recognition from various video sources including sports, surveillance, user-generated video, etc. Video event analysis and recognition is a critical task in many applications such as detection of sporting highlights, incident detection in surveillance video, indexing, retrieval and summarization of video databases, and human-computer interaction. This special issue aims to capture the latest advances by the research community working in the area of video event analysis. The call for papers was enthusiastically greeted by the research community and we received over seventy submissions. The special issue presents 16 articles which provide fundamental contributions in a wide range of topics in video event analysis: 1) human action and activity recognition; 2) motion trajectory analysis; 3) video content analysis and pattern mining; 4) audio-visual multi-modal analysis; and 5) video analysis applications. An overview of the organization and a brief summary of the articles selected for publication in the special issue are provided below.