Exam hall monitor

Real exam footage, the whole room in view. Every candidate tracked, every alert explained. A behaviour has to hold for a set time before it becomes an alert — a glance up from the paper is not cheating.

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Alerts now
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Each tick is one frame · red = high-severity alert · amber = medium · grey = no alert · click to jump

at own paper medium alert high alert phone

What this clip shows

How an alert is decided
  • Phone in handA phone the detector recognises, within a phone-length of the student's hand, for most of a second.
  • Leaning over to copyThe head moves sideways away from the student's own hips, compared with how they sit upright.
  • Looking awayThe head turns away from the student's own usual direction for 2+ seconds — not from a fixed angle, so a camera at an angle doesn't make everyone look guilty.
  • Passing somethingTwo students in the same row, one reaching toward the other, hands close together.

Every alert is a clip, a time and a reason for a person to review. None of it decides that anyone cheated.

Attendance at the door

A security camera above the classroom door. Each student was enrolled from one walk-through; in a later session they are recognised as they come in — and un-marked, with the time, when they walk back out.

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Roll call · 0 in the room · 0 left · of 0
recognised identifying / not recognised leaving

How a name is given
  • EnrolOne walk-through per student in the first session; their three clearest faces become the reference — like a registration photo.
  • CompareEach face becomes a 512-number fingerprint. Two photos of the same person land close together; different people land apart.
  • VoteEvery clear face in a walk-through votes for the closest roster match. A name is given only when the frames agree — otherwise "not recognised", never a guess.

CCTV faces here are about 60–80 pixels across — real security-camera conditions, not a close-up.