3D Tracking Test with the 7D

HDSLRs have rolling shutter. This is due to the CMOS sensor scanning the image from bottom to top (or vice versa?). Footage with rolling shutter is told to be problematic when you try to track it in post, so I gave it a try.

2D point-tracker and planar trackers can quite easily be adjusted manually so I decided to start with the toughest nut: 3D-tracking.

I used PFHoe (probably the most easy to use 3D tracker) to track my Canon 7D shot. Then I composited the shot in After Effects. I think the output is acceptable – there is some serious amount of wobbling at the end of the shot – but for the first try it is ok. So when you shoot for 3D-tracking on HDSLRs be sure to avoid abrupt motions to keep the rolling shutter effect as minimal as possible.

Filmed with a 17-55mm EF-S ƒ/2.8 lens in Marvels CineGamma mode.