Monocular video with several ids

[yumfx]

Hi
thank you for this incredible tool!

I would like to extract my choosen character from a single video.
The result ot the keypoints_extraction is that I have several ids corresponding to the number of actors in my shot.

Is it possible to define the character id in the emc command ? It would be awesome !!!
Is it also possible to fill de documentation of all emc command options?

Thx for your help!