Estimating the focus of expansion in a video sequence using the trajectories of interest points

作者：

Highlights：

• Development of an algorithm for the estimation of the focus of expansion

• Algorithm based on the cross ratio property applied to interest point trajectories

• The algorithm gives accurate focus of expansion localization even for low textured scenes.

摘要

•Development of an algorithm for the estimation of the focus of expansion•Algorithm based on the cross ratio property applied to interest point trajectories•The algorithm gives accurate focus of expansion localization even for low textured scenes.

论文关键词：Focus of expansion,Optical flow,Interest point,Point trajectory,Cross ratio

论文评审过程：Received 2 July 2015, Revised 22 December 2015, Accepted 23 March 2016, Available online 31 March 2016, Version of Record 13 April 2016.

论文官网地址：https://doi.org/10.1016/j.imavis.2016.03.007