Camera system flags crates on plant floors, after early false alarms led to tighter zone rules

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A meat processing plant ran a camera system that initially generated false event cards about crates on conveyors and tables, which the head of HACCP rejected. The team fixed this by drawing a manual floor zone on each camera, so a crate counts only when it sits directly on the floor, while crates on pallets, trolleys or conveyors are treated as normal. The approach is tied to Order No. 590, clause 2.4, which requires protection of food from contamination, since floors are a contamination risk. The developers also noted limitations: the system cannot see contents, struggles with small crates from high cameras, and its early accuracy figures were overstated, so accuracy is not quoted until tested on new days.

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