System and method for detecting unpaid items in retail store transactions

US11966900B2 · kind B2 · utility

Assignee

• Walmart Apollo, LLC · US

Inventors

• Zhichun Xiao · Plano, US
• Lingfeng Zhang · Dallas, US
• Jon Hammer · Frisco, US
• Joseph Duffy · Georgetown, US
• Yao Liu · Richardson, US
• Sicong Fang · Dallas, US
• Xiang Yao · Fujian, CN
• Pingyuan Wang · Dallas, US
• Yu Tao · New Taipei, TW
• Tianyi Mao · Dallas, US
• Yutao Tang · Kunming, CN
• Feiyun Zhu · Arlington, US
• Han Zhang · San Jose, US
• Chunmei Wang · 东风镇, CN
• Pingjian Yu · Plano, US
• Muzzammil Afroz · Frisco, US
• Haining Liu · Irvine, US

Key dates

• Filing date: Jul 16, 2020
• Grant date: Apr 23, 2024
• Expiry date: Jul 16, 2040

Classification

• Technology area (CPC G): Physics
• CPC primary: G06N3/045
• WIPO field: IT methods for management
• WIPO sector: Electrical engineering

Abstract

A transaction record is created showing a purchase transaction of a customer. A CV profile showing a list of items in the transaction obtained from images is also obtained. The items in the transaction record are compared to items on the list. When there is a discrepancy, an action to take is determined.