AR Glasses for Mail Sorting with Image Hashing
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Solution Overview
Problem
Conventional methods for sorting physical mail items are labor-intensive, prone to errors, and unable to handle changes in sort locations, leading to incorrect sorting, especially in high-volume environments.
Innovation Solution
The implementation of Augmented Reality (AR) glasses with image acquisition and processing capabilities that capture mail items, generate unique identifiers, and provide users with real-time sorting information to guide them to correct sort locations, allowing for manual override and 'out of view' assistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual sorting methods are used, then device complexity is low, but productivity is low and error rate is high
Solution Approach 1:
The AR glasses serve multiple functions: capturing images of mail items, processing images to extract sorting information, displaying guidance to sort locations, and providing navigation assistance. This multi-functionality enables a single device to replace multiple separate systems (cameras, processors, displays, navigation systems), improving productivity while managing device complexity through functional integration
Solution Approach 2:
The system performs self-service by automatically capturing mail item images, processing the images to extract sorting information, and displaying the results without requiring external intervention. The AR glasses independently complete the entire sorting information acquisition and display process, eliminating the need for manual data entry and reducing errors
2Reliability
If manual reading and sorting is used, then ease of operation is high, but reliability is low due to errors
Solution Approach 1:
The patent replaces manual mechanical reading and sorting operations with an automated optical and computational system. The image acquisition component captures mail items, the processor automatically extracts sorting information from the images, and the display presents the results. This substitution eliminates human reading errors and manual sorting mistakes, significantly improving reliability while maintaining ease of operation through automatic processing
Solution Approach 2:
The system provides real-time feedback by displaying sorting information directly in the user's field of view through the AR glasses. The feedback loop includes capturing the mail item image, processing it to extract sorting details, and immediately presenting the results for verification. This closed-loop feedback ensures accurate sorting while allowing operators to easily verify and correct information if needed
3Adaptability or versatility
If conventional sorting methods are used, then adaptability to location changes is low, but device complexity is low
Solution Approach 1:
The system dynamically adapts to changing sort locations by continuously updating the displayed information based on real-time data. When sort locations change, the system automatically captures new images, processes the updated information, and displays the revised sorting guidance. This dynamic updating capability allows the system to adapt to location changes without requiring manual reconfiguration, improving adaptability while managing complexity through automated processes
Solution Approach 2:
The system performs preliminary actions by pre-processing and storing sorting information for multiple potential destinations before actual sorting occurs. When sort locations change, the system has already captured and processed the relevant information, allowing for rapid adaptation. This preliminary preparation enables the system to quickly respond to location changes without requiring complex real-time reconfiguration
Data Source
AI summary
An approach is provided for performing sorting of physical mail items using Augmented Reality (A/R) glasses. A/R glasses acquire an image of a physical mail item to be sorted and generate image data that represents the image. A unique value is generated for the image, for example, by processing the image data for the image using one or more hash functions to generate a hash value. The hash value is used to obtain sorting information for the mail item from a mail item manager. The A/R glasses use the sorting information to assist the user in sorting the mail item by displaying the name of a sort location for the mail item, visually distinguishing the sort location from other sort locations, displaying information about the mail item, providing “out of view” assistance, etc. The A/R glasses may allow the user to override the sort location specified for the mail item and override information is sent to the mail item manager.