METHOD AND DEVICE FOR PREPARING REFERENCE IMAGE IN GLASS BOTTLE INSPECTION DEVICE

摘要

A method and a device for preparing a reference image (a template) which is used for an inspection device of a glass bottle to detect a defect at a predetermined position such as a mouth part of the glass bottle and compared with an image obtained from the glass bottle to be inspected by the inspection device. In the reference image preparing method, images of a plurality of glass bottles (2) as samples including a defective one are picked up by CCD cameras (11-20) to form a plurality of images. From the obtained images, a reference image is prepared with a range of brightness specified when non-defective glass bottles are irradiated with the light.