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Table 1 Customer behavior model

From: An intelligent shopping support robot: understanding shopping behavior from 2D skeleton data using GRU network

Customer behaviorDefinition
No interestIf a customer does not look at the shelf or does not turn to the shelf
Reach to shelfIf a customer reached to the shelf
Retract from shelfIf customer picked a product from shelf
Hand in shelfIf a customer is going to pick a product
Inspect productIf a customer inspects the product
Inspect shelfIf customer inspects the whole shelf