My apologies I miss read your post, thinking the initial survey utilised sensors on the ships hull.
Does your software alert the person watching the video feed in realtime or is it up to the operator to identify any anomaly/unexpected event ?
Not having any experience of managing subsea surveys, unlike yourself, I may ask simple questions. To educate myself, along with I hope many reading this thread, here on TD.
Every "industry" has their own meta language which may be unfamiliar to us Joe Bloggs.