An automatic inspection process for detecting visible defects on a manufactured item, the process including a set up mode in which images of same-type defect free items, but not images of same-type defected items, are obtained, and an inspection mode in which images of both same-type defect free items and same-type defected items, are obtained and defects are detected, where images of the same-type defect free items are analyzed and based on the analysis the process switches to the inspection mode.