In packaging, decision time directly determines whether inspection can keep up with the line at all. That is why measuring decision time on the target computer is a key qualification step here — the model has to decide faster than the packaging machine's takt.
The most common case in this industry is label and print verification: presence, orientation, and legibility of a batch number or expiry date. A repeatable label pattern makes deviations easier to detect, but glare on film or a glossy laminate needs well-chosen lighting.
Bulk packages are also often checked for completeness (are all items of a set present) and for contamination — foreign objects that may have entered the pack during the packing process.