Web inspection device, web inspection method, web inspection program

摘要

According to the embodiment, the web inspection device includes an acquisition unit that acquires a captured image from an imaging device that captures the web, and each division that is divided into a plurality in the width direction of the web on the captured image based on the captured image. A determination unit that determines the presence / absence of a defect for each inspection unit in the web conveyance direction using a determination threshold set for each divided region.