THU and ICRC at TRECVID 2007
Jinhui Yuan, Zhishan Guo, Li Lv, Wei Wan, Teng Zhang, Dong Wang, Xiaobing Liu, Cailiang Liu, Shengqi Zhu, Duanpeng Wang, Yang Pang, Nan Ding, Ying Liu, Jiangping Wang, Xiujun Zhang, Xiaozheng Tie, Zhikun Wang, Huiyi Wang, Tongchun Xiao, Yinyu Liang · 2007
Shot boundary detection The shot boundary detection system in 2007 is basically the same as that of last year. We make three major modifications in the system of this year. First, CUT detector and GT detector use block based RGB color histogram with the different parameters instead of the same ones. Secondly, we add a motion detection module to the GT detector so that we can remove the false alarms caused by camera motion or large object movements. Finally, we add a post-processing module based on SIFT feature after both CUT and GT detector. The evaluation results show that all these modifications bring performance improvements to the system. The brief introduction to each run is shown in the following table: Run_id Description Thu01 Baseline system: RGB4_48 for CUT and GT detector, no motion detector, no sift post-processing, only using development set of 2005 as training set Thu02 Same algorithm as thu01, but with RGB16_48 for CUT detector, RGB4_48 for GT detector Thu03 Same algorithm as thu02, but with SIFT post-processing for CUT Thu04 Same algorithm as thu03, but with Motion detector for GT