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Packaging box information code optical identification and comparison method and system

An optical identification and information code technology, which is applied in the field of optical identification and comparison methods and systems for information codes of packaging boxes, can solve the problems of insufficient accuracy and high rejection rate, and achieves a low calculation amount, few parameters, good separation and adaptation. Effect

Pending Publication Date: 2022-01-21
杭州胜铭纸业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is because the algorithm does not regard the entire barcode as a whole when recognizing the barcode, but recognizes individual barcodes individually, and then strings them together for verification, which leads to problems such as high rejection rate and insufficient accuracy rate. Additional manpower for compensatory interventions

Method used

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  • Packaging box information code optical identification and comparison method and system
  • Packaging box information code optical identification and comparison method and system
  • Packaging box information code optical identification and comparison method and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] like figure 1 As shown, the packaging box information code optical recognition and comparison method provided in this embodiment includes the following steps:

[0050] S1: The photoelectric switch trigger sends information to the optical code reader to turn on the optical code reader;

[0051] S2: The optical code reader reads and recognizes the information codes on the n packing boxes, and uploads the recognized information to the cloud storage unit module and the central control unit module;

[0052] S3: The cloud storage unit module performs cloud storage for the information contained in the information codes on n packing boxes; the central control unit module decodes and compares the information contained in the information codes on n packing boxes, and the central control unit module utilizes The collected information builds a convolutional neural network model, which is divided into two different data sets for training, and the extracted latent variables in each ...

Embodiment 2

[0056] like figure 1 As shown, the packaging box information code optical recognition and comparison method provided in this embodiment includes the following steps:

[0057] S1: The photoelectric switch trigger sends information to the optical code reader to turn on the optical code reader;

[0058] S2: The optical code reader reads and recognizes the information codes on the n packing boxes, and uploads the recognized information to the cloud storage unit module and the central control unit module;

[0059] S3: The cloud storage unit module performs cloud storage for the information contained in the information codes on n packing boxes; the central control unit module decodes and compares the information contained in the information codes on n packing boxes, and the central control unit module utilizes The collected information builds a convolutional neural network model, which is divided into two different data sets for training, and the extracted latent variables in each ...

Embodiment 3

[0067] On the basis of Embodiment 1 or Embodiment 2, the information contained in the information code includes one or more of logistics information, production date and manufacturer information. It can extract a variety of information in the information code. While improving the image and optical information reading accuracy of the photoelectric code reader under poor lighting conditions, it can also detect the logistics information in the barcode, including sender information. And recipient information, and then can be uploaded to the cloud for backup, or can be compared with the central control unit module, and then checked with the information of the items to be packed in the packing box in the remote computer to avoid the occurrence of packaging errors.

[0068] It is also possible to read the missing date information in the different optical information displayed by the barcode through the optical code reader, such as the missing or wrong delivery date or the wrong manufa...

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Abstract

The invention provides a packaging box information code optical identification and comparison method and system. A photoelectric switch trigger starts an optical code reader; the optical code reader reads and identifies an information code; a cloud storage unit module performs cloud storage; a central control unit module decodes and compares the information, constructs a convolutional neural network model, divides the convolutional neural network model into two different data sets for training and self-adaption, and compares subsequently input information codes on a packaging box after training; if the information of the compared information code is less than the actual information type, a signal is sent to an audible and visual alarm; and the audible and visual alarm gives an alarm prompt. After the convolutional neural network model with the Softmax layer is constructed, data self-adaption and separation of the two training sets are performed, so that the calculation parallelism is improved, and the recognition precision is improved on the premise of fewer parameters and lower calculation amount; and a mode of post-processing the classification probability of the convolutional neural network is adopted, so that the recognition precision of the model is effectively improved.

Description

technical field [0001] The invention belongs to the technical field of packaging boxes, in particular to a method and system for optical identification and comparison of information codes of packaging boxes. Background technique [0002] With the rapid development of computer technology and industrial intelligence technology, the use of image processing and recognition algorithms combined with computer system software for image information collection and item classification is gradually applied to enterprise production. Among the existing technologies, some technologies use electronic tags, RFID radio frequency technology and Internet of Things technology in the engine traceability system of the complete vehicle supply chain to solve the problems in logistics, warehouse goods storage, complete vehicle processing and assembly, and shipment. The collection, processing, traceability and interaction of relevant packing box information. In the current prior art, the research on ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K7/10G06K9/62G06N3/04G06N3/08G08B7/06H04L67/1097G06V10/762G06V10/764G06V10/82
CPCG06K7/10861G06N3/08H04L67/1097G08B7/06G06N3/047G06N3/045G06F18/23213G06F18/2415
Inventor 黄煜琪王召霞霍文卓
Owner 杭州胜铭纸业有限公司
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