For plant safety, security and yard teams. See when someone enters a zone they should not and what a reviewer made of each alert, from the cameras already on site. A limit on how long a vehicle stays in a bay or lane is a dwell rule.
- 1Loading bays · Vehicle dwell limits
- 2Assembly line · Hazard-zone entry
- 3Machine cells · Zone entry on a shift schedule
- 4Warehouse · Item left still
The problems we start from
Who it is for
- Safety and environment lead
- Plant security
- Yard and logistics supervisor
A zone breach is noticed after the incident
Marked areas around machinery and loading are watched by signs, not by people.
Nobody sees how long vehicles wait
Trucks stand in bays and lanes with no record of when they arrived.
Safety reviews rest on memory
A weekly review has no list of what happened, where, and what was done about it.
One workflow, step by step
Review a restricted-zone candidate
Scenario. A person enters a marked hazard zone beside a press during the night shift.
Draw the zone and its hours
Mark the hazard area on the camera's view and set the shifts when entry should raise an event.
The alert arrives with its sighting
The reviewer sees the camera, the zone and the time, and opens the still of the sighting that raised it.
Review and decide
Mark it Acknowledged if someone entered, and note whether it was authorised. Use False positive only when nobody entered. For scheduled maintenance, change the schedule or except the camera.
Assign the follow-up
Assign the alert to a named person and record what should happen next as a note on the alert.
Tune the rule
Except a camera, change the schedule, or let a rule that reviewers keep marking false be muted on that camera.
Read the week
Counts by rule and camera, and the false-alarm rate, show where to look.
Measures
Four measures, each with a definition.
Defined so that two people would compute the same number. None is a result: the values come from your pilot.
- Reviewed exceptions
- The share of alerts a named person has marked Acknowledged or False positive.
- Measured from: The alert funnel in Insights.
- Response time
- The median time from an alert being raised to its being marked.
- Measured from: Alert statistics in Insights.
- Vehicle dwell exceptions
- How often a vehicle stayed in a bay or lane beyond the limit you set, per bay per week.
- Measured from: Events on the dwell rules.
- Camera quality
- Cameras offline, and cameras whose view a scene reading describes as obscured.
- Measured from: Camera health, and scene readings where that module is on.
Events of interest
Events for hazard zones, yards and docks.
Each says what it needs and where it stops. The rules you set on a camera raise these events, and the alerts that go with them.
Zone entry
A person or vehicle enters a perimeter, fence line or restricted area.
- When
- A followed object enters the drawn zone.
- Limit
- The detector looks for people and vehicles rather than motion, which reduces but does not remove false detections from animals, reflections and headlights. A badly placed zone edge can also catch passers-by.
Restricted-area access
A person enters a room, floor or yard at a time when entry is restricted.
- When
- A person enters the zone outside the permitted hours.
- Limit
- The rule knows the time, not the person: it cannot tell an authorised entry from an unauthorised one.
Line crossing
A person or vehicle crosses a line you draw, in the direction you choose.
- When
- A followed object crosses the line one way, the other way, or either way.
- Limit
- An object that is only partly in view near the line can be counted as crossing, or missed. A crossing inside the rule's repeat limit is not recorded.
Dwell limit reached
A person or vehicle stays in an area, such as a bay or a service point, beyond the time you set.
- When
- Time inside the zone passes the limit.
- Limit
- An event at the limit, not a report of how long people stay.
Object present
A chosen kind of object is in a camera's view, such as a truck on a camera that covers a bay or a bicycle on one that covers a pedestrian area.
- When
- An object of the chosen type is present in the camera's view.
- Limit
- Limited to the detected object types, and to the camera's whole view: it cannot be limited to a drawn zone.
Person on the ground
A scene reading describes a person lying or collapsed on the ground.
- When
- The reading of a sighting carries the person-on-ground tag.
- Limit
- It follows the reading, so it is not an immediate fall alarm. People sitting or resting can be read as on the ground.
Camera offline
A feed stops arriving. The platform keeps trying to reconnect and shows the camera as offline until the picture returns.
- When
- The feed is still missing after repeated reconnection attempts.
- Limit
- A camera that streams a frozen picture can look healthy. The alert repeats while the feed stays down.
Use cases
What plant safety and security teams use it for.
What the current release does for this kind of site.
Hazard-zone entry
An alert, linked to the sighting's still, when a person enters a marked zone
Walkway and lane crossings
A line crossed in a direction you choose
Vehicle dwell at bays
An event when a vehicle stays beyond its limit
People in a work area
An alert when the count in a camera's view passes a threshold
Reviewed follow-up
An alert marked, assigned and annotated by a named person
Person-on-the-ground candidates
A scene reading brought to a reviewer, after the sighting
What it needs
- Zones drawn around the hazard areas and bays you choose, with shift schedules
- Cameras that see each whole zone without obstruction
- A named reviewer on each shift
- AI scene reading only if you want obscured-view and person-on-the-ground candidates
Pilot objective
On three hazard zones and one dock, show that zone entries reach a reviewer who can open a usable still of the sighting, and measure the share a reviewer judges real.
Read the pilot guideBoundaries
- Not a safety function. It does not replace machine guarding, interlocks, light curtains or any certified safety system, and must not be relied on to stop a machine.
- An alert is raised after frames are analysed and then waits for a person to review it. There is no guaranteed response time.
- Protective equipment such as helmets and vests is not checked.
- An event reports that a person was in a zone at a time. It does not establish who, or why.
- Throughput and process measurement are not offered.
Capabilities used
The same platform. Different rules.
Each site gets its own cameras, modules and rules. Nothing is custom-built; everything is configured.
See the workflow on your site's cameras.
Choose three hazard zones and a dock. We will show zone entries, the review queue and dwell limits on footage from them.