| 摘要 |
The invention relates to a device and to a method for finding and categorizing surface defects of a fed ribbon material (5). Said device comprises an illumination device (1) that produces an illuminated area (A), a camera system (2) that records an image (B) of an inspection area and a processing and control system (3). The device is provided with at least one matrix camera (4) and the inspection area image (B) is divided in at least two separately evaluable image sections (D, E), especially at least one non-illuminated image section (D) outside the illuminated area (A) and one at least somewhat illuminated image section (E). |
