Smartphone-Based Checkout Image Capture for Fraud Prevention

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Solution Overview

Problem

Existing transaction processing systems face challenges in efficiently comparing self-registered items with actual items removed from a store, leading to potential forgotten or fraudulently misregistered commodities during checkout.

Innovation Solution

A transaction processing system that utilizes a smartphone with a communication interface and processor to capture images of commodities, comparing registered items with actual items through a monitoring server, and alerting customers or clerks to potential discrepancies via capture conditions and guidance instructions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a clerk is stationed in the checkout area to confirm purchased commodities, then the reliability of preventing forgotten or fraudulent misregistration is improved, but the device complexity and operational cost increase

Engineering Contradiction:
Improvecheckout accuracyVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical/manual system of clerk verification with an automated image recognition and comparison system. The processor automatically captures images of commodities, compares them with registered items, and identifies discrepancies without requiring human intervention, thus improving reliability while reducing system complexity.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system enables self-service checkout by allowing customers to register commodities using mobile terminals while moving through the sales floor. The automated comparison system then verifies the registered items against actual purchases, eliminating the need for clerk assistance while maintaining accuracy.

Inventive Principle:
Principle #25Self-service

2Ease of operation

If manual comparison of registered commodities with actual purchased commodities is performed, then the ease of operation is improved, but the productivity and speed of checkout processing deteriorates

Engineering Contradiction:
Improveoperational simplicityVSAvoidcheckout speed
Core Design Contradiction:
Ease of operationVSProductivity

Solution Approach 1:

The patent replaces manual comparison operations with automated image processing and pattern recognition algorithms. The processor rapidly compares captured commodity images with registered item data, achieving both operational simplicity and high processing speed that manual methods cannot match.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system creates digital copies (images) of commodities and compares these copies against registered commodity data. This copying approach enables rapid automated verification without requiring physical handling or manual inspection of each item, thereby increasing checkout speed while maintaining ease of operation.

Inventive Principle:
Principle #26Copying

3Reliability

If comprehensive verification of all purchased commodities is performed, then the reliability of preventing fraud is improved, but the loss of time during checkout increases

Engineering Contradiction:
Improvefraud preventionVSAvoidcheckout time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent implements a targeted verification approach where the system focuses comparison efforts on specific commodities that meet certain conditions or show discrepancies. Rather than uniformly verifying every single item, the system performs partial verification on high-risk or anomalous items, maintaining fraud prevention reliability while reducing overall checkout time.

Inventive Principle:
Principle #16Partial or excessive action

Solution Approach 2:

The automated image recognition and comparison system performs comprehensive verification rapidly without the time penalties associated with manual inspection. The processor can analyze multiple commodity images simultaneously and identify discrepancies instantly, achieving both thorough fraud prevention and efficient processing that manual methods cannot achieve.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentEP4120213A1Information processing device and information processing method for product registration and checkout systems
Publication Date: 2023.01.18 TOSHIBA TEC KK
  • EP4120213A1 patent drawingFigure 1
  • EP4120213A1 patent drawingFigure 2
  • EP4120213A1 patent drawingFigure 3

AI summary

According to one embodiment, an information processing device for product registration and checkout systems includes, a communication interface and a memory unit storing one or more capture conditions. A processor of the device is configured to check whether a registration of a commodity in a sales transaction satisfies a capture condition stored in the memory unit and output an instruction for capturing an image of the commodity if the registration satisfies the capture condition. The processor acquires an image of the commodity that was captured based on the instruction, and outputs the acquired image to an external apparatus via the communication interface.