Medium or large sized airports that can serve increasing number of airlines and passengers from all over the world have been expanding. As a result, the amount of baggage processed at an airport has also been increasing. Therefore, for fast and reliable handling of baggage, the importance of Baggage Handling System has gradually increased. A checked-in bag is top-loaded on a conveyor belt to a high-speed tray for high-speed processing. Before being top-loaded, the bag may be unstably

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... dropped, or double loaded on a tray in various situations. Baggage Position Control System in an airport controls a position of the bag just before top-loading to solve problems. In this paper, we discussed the methods that distinguish whether baggage be adjacent to another and that decide the arrangement types to be able to process unstable baggage in the control part of Baggage Position Control System. 67 may consider how to identify three or more adjacent bags. The proposed methods can contribute to a proper control of baggage position at the control part by recognizing adjacent bags in the vision part of BPCS. Currently, our project has been completed the structural design of BPCS. In the future, we plan to apply the proposed method to BPCS to handle adjacent bags.