Cart POS Image Recognition That Pauses During Basket Sorting
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Solution Overview
Problem
Conventional self-service POS terminals may incorrectly register or cancel item purchases due to in-basket sorting, where customers rearrange items in the shopping basket, leading to unintended item registration or cancellation.
Innovation Solution
A POS terminal attached to a shopping cart includes an imaging device, input device, and processor that performs object recognition, temporarily disabling automatic registration or cancellation when a predetermined motion or operation is detected, ensuring accurate item management during in-basket sorting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automatic item registration is enabled based on camera recognition, then item registration speed and convenience are improved, but item registration accuracy deteriorates due to false detection during in-basket sorting
Solution Approach 1:
The system performs preliminary detection of sorting actions by monitoring hand movements and item displacement patterns before triggering the registration cancellation. This preliminary detection mechanism allows the system to distinguish between intentional item placement and sorting operations, preventing false registration while maintaining automatic registration for normal shopping actions.
Solution Approach 2:
The system continuously monitors item position changes and hand movements, providing real-time feedback to determine whether an item movement represents a sorting action or a purchase intent. When sorting is detected through feedback from motion sensors and camera analysis, the system automatically adjusts registration behavior accordingly, maintaining high accuracy while preserving registration speed.
2Extent of automation
If the system continuously monitors item movements for automatic registration, then registration automation is improved, but system complexity increases due to motion detection and sorting identification mechanisms
Solution Approach 1:
The imaging device serves multiple functions: it captures item images for recognition, detects hand movements for sorting identification, and monitors item position changes. By making the camera a multi-functional component, the system achieves high automation without adding separate dedicated sensors, thereby reducing overall system complexity while maintaining comprehensive monitoring capabilities.
Solution Approach 2:
The system uses the existing imaging device to perform self-monitoring of item movements and hand actions. The camera automatically analyzes its own captured images to detect sorting patterns, eliminating the need for external sensors or complex additional hardware. This self-service approach maintains automation while minimizing device complexity.
Data Source
AI summary
A point-of-sale terminal attachable to a shopping cart, includes an interface connected to an imaging device, an input device, and a processor configured to: control the imaging device to capture an image and generate image data based on the captured image, perform object recognition on the image data, and perform an automatic registration process for automatically registering an item when the item is identified by the recognition. The processor is configured to: determine whether a predetermined motion of a body part is detected based on a result of recognition or whether a predetermined operation is input via the input device, upon determining that the predetermined motion is detected or the predetermined operation is input, temporarily disable the registration process such that an item is not automatically registered for purchase or automatically removed from a list of registered items even when the item is identified by the recognition.