Running CV Detection On a Locked Down System

CV Newbie Here.

I'm trying to run real time detection on a locked down system that I cannot install or run any software on.

My initial plan is to intercept the HDMI signal (likely with a capture card) and feed it into a Linux machine that can overlay the detection boxes on any identified objects, and then re-export the HDMI feed to the monitor.

Looking to see if anyone else has done something similar, what tools they have used, thoughts, …

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