Video Synchronization

Video Synchronization


Joan Serrat, Ferran Diego, Felipe Lumbreras, José M. Álvarez, Daniel Ponsa, Antonio M. López.


Video synchronization of two sequences can be stated as the alignment of their temporal dimension, that is, finding a (discrete) mapping c(t1) = t2 between the time (frame number) in the first video to time in the second video, such that the frame of the first video at time t1 best matches its corresponding frame, at time c(t1), in the second video.

The final goal is the comparison of videos: find out what’s different on a pair of videos shot by moving platorm which has followed more or less similar trajectories. This is possible because once two videos are synchronized and under certain assumptions, corresponding frame pairs can be spatially registered. Therefore, the two videos can be compared pixel-wise.

We are exploring two possible applications of video comparison: outdoor surveillance at night and the comparison of vehicle headlights systems:

  • Outdoor surveillance at night
  • Comparison of vehicle headlights systems
  • Road segmentation




Current project webpages:

Associated Publications