We had to focus on understanding the corner pin and planar tracking of nodes ‘tracker’ and ‘roto’. First, I did the exercise where we had to replace the posters in the original shot.
Looking back at the result, it feels that an additional work on getting rid of lens distortion before additions of the assets and re-applying it afterwards would have produced a better outcome. Here is the Nuke script with close-ups.
The second shot I worked on was something I shot of a camera moving into a map of the shopping mall. Trying out to stabilise the shot with the 2D tracker before applying the planar track and adding on the asset produced a result which I was not too happy with. The image is getting warped at some frames, so probably using the stabilisation techniques with application of 3D tracking could have produced a better result.