Knife in Hand Detection
What it does. Where it can be used: height, distance, angle of view. Chained Classifications.
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In Internal Testing
What it does:
Determines if the object in a person’s hand is a knife. Includes knives, swords, daggers, scabbards, chainsaws, cleavers, hatchets, and axes.
Allows you to create alerts, filter event feeds and 24/7 views based on the presence of a knife in a person's hand(s).
Best Practices:
Prerequisite:
Requires person detection and all of their camera placement requirements.
Camera Distance Requirements
This model looks for objects in people’s hands, and thus does not work when the object is shielded by a body. As it is often looking at a much smaller object, which still needs to be 20x20 or larger, the person must be rather close to the camera.
Legal Limitations
Enabling Knife Detection requires its own EULA that limits our liability. Knife detection is obviously not the single and only method you should have of protecting your institution. Heavily modified, concealed, and partially hidden weapons will NOT be detected. Knife detection will detect steak knives and / or other knives used while cooking or eating.
This model was made by Survail and will continue to learn.