We present a "video diff" method that helps people visualize differences between similar actions in two videos. Our visualization places the edges of one video onto the frames of the second and colors edges using a measure of local dissimilarity. Colors highlight regions that the user should focus on.

Guha Balakrishnan, Massachusetts Institute of Technology (MIT)
Fredo Durand, Massachusetts Institute of Technology (MIT)
John Guttag, Massachusetts Institute of Technology (MIT)