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In capped beer bottles, CO2 dissociation during pasteurization is increased with the presence of foreign matter such as glass inclusion and visible organic material. During the past 30 odd years, Canadian operating practices have called for 100% visual inspection of the bottled beer whereby Foampickers observe foam collars for anomalies which would indicate the presence of foreign matter. This has been regarded as a very successful, albeit expensive, quality control process.
To emulate this process Akitek had to determine the effectiveness of foampicking over a wide range of beer and bottle types, define the methodology and develop an appropriate solution; at increasing sophistication as the project evolved. A number of advanced software tools were employed to attain the speed, accuracy and repeatability needed and to deal with the complex environment of process, product and container variations and drifts. The resulting solution is effective at detecting the presence of foreign matter.