一种篮球比赛视频镜头分割新方法  

A New Method of Shot Segmentation in Basketball Video

作　　者：陈世举[1] 崔皓[1] 毋立芳[1] 

机构地区：[1]北京工业大学电子信息与控制工程学院,北京100022

出　　处：《信号处理》2007年第4期500-505,共6页Journal of Signal Processing

基　　金：北京市教委科技发展项目(KM200610005011);北京工业大学博士启动资金(KZ0203200393)

摘　　要：本文针对篮球比赛中经常出现的两种渐变镜头——叠化和扫换的特点,提出了一种对突变和渐变同时有效的镜头分割新算法。该算法利用直方图的统计特性,依次求取连续帧差值、累加帧差值及窗口帧差比,并以此确定自适应窗口均值,超均值比率以及多个滑动窗口来进行镜头分割。实验结果表明,本文方法对于突变和渐变镜头均有良好的分割效果。In basketball games, there are two kinds of gradual shots dissolve shot and wipe shot, whose features are analyzed in this paper. We propose a new method of shot segmentation, which is effective for both abrupt shots and gradual shots. Based on histogram of every frame, we compute the difference of continuous frame, the difference of cumulate frame, the ratio of the frame difference on window, the adaptive window average, the ratio of surpassing average and sliding windows, which are used for shot segmentation. Experimental result confirms that the proposed method is effective for both the abrupt shot and gradual shot.

关 键 词：直方图 自适应窗口均值 超均值比率 滑动窗口 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]