Raw Tra jectory Rectification via Scene-Free
Splitting and Stitching
郭春超;胡晓军;赖剑煌;石世昌;陈世哲
【期刊名称】《计算机科学技术学报（英文版）》 【年(卷),期】2015(000)002
【摘要】Trajectories carry rich motion cues and thus have been leveraged to many high-level computer vision tasks. Due to the easy implementation of simple trackers, most previous work on tra jectory-based applications utilizes raw tracking outputs without explicitly considering tracking errors. Reliable trajectories are prerequisite for modeling and recognizing high-level behaviors. Therefore, this paper tackles such problems by rectifying raw trajectories, which aims to post-process existing tra jectories. Our approach firstly splits them into short tracks, and then infers identity ambiguity to remove unqualified detection responses. At last, short tracks are stitched via maximum bipartite graph matching. This post-processing is completely scene-free. Results of trajectory rectification and their benefits are both evaluated on two challenging datasets. Results demonstrate that rectified trajectories are conducive to high-level tasks and the proposed approach is also competitive with state-of-the-art multi-target tracking methods.
【总页数】9页(363-371)
【关键词】
【作者】郭春超;胡晓军;赖剑煌;石世昌;陈世哲 【作者单位】;;;; 【正文语种】英文 【中图分类】 【文献来源】
https://www.zhangqiaokeyan.com/academic-journal-cn_journal-computer-science-technology_thesis/0201241206192.html 【相关文献】
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Raw Tra jectory Rectification via Scene-Free Splitting and Stitching
