This is the result of quick stitching. The following describes the functionality and settings of the various windows at
the bottom. 
Optimize the parameters of stitching in Positions. Generally, choose "Improve Osets" and "Improve Angles" once for
each. 
Add boundary protection points in Edge Points to avoid stitching of key objects and people. 
Click once on "Stabilize" to stabilize the video. The stability depends on the amplitude and speed of jitter, and this
feature has better anti-shake eect in terms of walking jitter. 
In Options, select Use Optical Flow, set 8-25 for Stitch Feature generally.