Tracking features over many
Frames
•
Compute optical flow for that feature for each
consecutive H, I
–
•
When will this go wrong?
–
Occlusions—feature may disappear
•
need to delete, add new features
–
Changes in shape, orientation
•
allow the feature to deform
–
Changes in color
–
Large motions
•
will pyramid techniques work for feature
tracking?
(Seitz)