A Robust Technique for Motion-Based Video Sequences Temporal Alignment

作者：Lu Cheng^*; Mandal Mrinal

来源：IEEE Transactions on Multimedia, 2013, 15(1): 70-82.

DOI：10.1109/TMM.2012.2225036

• Video alignment
• video synchronization
• temporal registration
• dynamic time warping
• point sets alignment

In this paper, we propose a robust technique for temporal alignment of video sequences with similar planar motions acquired using uncalibrated cameras. In this technique, we model the motion-based video temporal alignment problem as a spatio-temporal discrete trajectory point sets alignment problem. First, the trajectory of the object of interest is tracked throughout the videos. A probabilistic method is then developed to calculate the 'soft' spatial correspondence between the trajectory point sets. Next, a dynamic time warping technique (DTW) is applied to the spatial correspondence information to compute the temporal alignment of the videos. The experimental results show that the proposed technique provides a superior performance over existing techniques for videos with similar trajectory patterns.

• 出版日期2013-1