| 摘要 |
According to the process of the invention, optical inspection of a translucent article (3), in particular optical inspection of a concave bottom of a container, in which the article (3) is positioned between a radiation source (1) and an image recording apparatus (2) and an image of the article is recorded and processed, is improved by placing at least one optical correction element (7.1) in the paths of rays between the radiation source (1) and the image recording apparatus (2) to correct ray paths causing undesired dark or black spots on the image, so that such dark or black spots are prevented or brightened in order that an adequate image for satisfactory image-analysis is produced.
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