METHOD AND DEVICE FOR THE DETECTION OF BUBBLES AND/OR WRINKLES ON LABELED CONTAINERS

A method and an apparatus for detecting bubbles and/or creases on labeled containers. Bubbles/creases can be detected without comparison with a previously stored reference recording by virtue of the fact that a label to be examined is illuminated with a first flash of light, for example using the su...

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Bibliographic Details
Main Author NIEDERMEIER, Anton
Format Patent
LanguageEnglish
French
German
Published 17.04.2019
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
TESTING
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Summary:A method and an apparatus for detecting bubbles and/or creases on labeled containers. Bubbles/creases can be detected without comparison with a previously stored reference recording by virtue of the fact that a label to be examined is illuminated with a first flash of light, for example using the surface radiator, and is recorded in a first camera image, that the label is also illuminated with at least one second flash of light, for example using the directional radiator, with a changed directional characteristic and is recorded in a second camera image, and that a brightness difference between the first and second camera images is calculated.
Bibliography:Application Number: EP20120700778