METHOD AND DEVICE FOR OBJECT RECOGNITION

摘要

The invention relates to a method and a device for recognizing objects and especially for recognizing defects in workpieces, preferably shot cores (1) or core packets. According to said method the object is illuminated by a light source (4) and recorded or detected by means of a camera (3). The data obtained from the recording are processed by computer and possibly stored. T he invention is characterized in that the object is illuminated from different directions or angles by at least two light sources (4) and in that the camer a (3) records the object and the shadows resulting from illumination.