Returns the shared scene segmentation session, creating it on first call.
Subsequent calls return the same instance. The session is inactive until start() is
called. NSDKSession.update() will call update() on it automatically each frame once
it is started.
Returns the shared scene segmentation session, creating it on first call.
Subsequent calls return the same instance. The session is inactive until
start()iscalled.
NSDKSession.update()will callupdate()on it automatically each frame onceit is started.