Transfrom node and roto node:

Denoise first before tracking. Blue channel contains most noises. Write it out then read the denoised plate for the following editing to prevent from crash.

2D Tracking :

Average tracker

Tracker: Translation Rotation Scale

Tracker: Export tranform_matchmove

Reference frame is important!

Roto:

Roto and export alpha channel.

Shuffle node used to create alpha rotoscoping.