Surface Inspection

Surface inspections are used in all ranges of the industry. It's used in the automotive industry on the inspection of painted vehicle parts or the pharmaceutical industry on the inspection of vials and ampoules. Defects often must be recognized that do not affect the function of a product but the outward impression of a product impair.

In the area of the surface inspection all kinds of materials are investigated (brass, plastic, glass, ceramics, paper, etc.) on defects. Among the tests include the detection of cracks, flakings, dents, scratches and the like.

The following figures show the examination of a module as it is often found on smart cards. On the left image is the product without an image analysis shown. In the middle image the scratches were made visible with image preprocessing tools and a so-called blob analysis. In the right picture additionally also grease marks were found by using intelligent image processing routines.

original image

scratch detected

Scratch and fat recognized