Motion Blur

Just found some fun images while cleaning up some old files. The motion blur makes the gestures of the performer hang in the air, communicating much more information than a simple static image.

Motion-blurred images of the T-Stick in performance
Alexander Refsum Jensenius uses a more sophisticated video-processing technique to produce motiongrams and videograms, which he uses for analysis of musical performance. You can read about them in his PhD Dissertation.