In general i am using the "Import Mask from Background" feature for selected cameras (new feature) as a first step.
Beside this i want to add manually selected mask (e.g. Rectangle Selection) to remove specific areas from all pictures. This could be the turntable, bottom of a person or areas with moving objects (e.g. window).
I would like to request the feature to add manual selected (add, subtract, invert) for all selected cameras.