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Method and system for automatically identifying express delivery barcode integrating machine vision and laser scanning

An automatic identification system and laser scanning technology, applied in the direction of instruments, computer parts, electromagnetic radiation induction, etc., can solve the problems of inability to express parcel identification, irregular express parcels, and non-standard block bar code paste.

Active Publication Date: 2016-07-20
ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Problems solved by technology

The express sorting method and system can only realize the capture and delivery of express mail, but cannot identify express parcels.
[0006] In view of the current situation of irregular express parcels and non-standard pasting of block barcodes, there is an urgent need to design a system that is suitable for China's current situation, has a simple structure, high precision, and low cost, and can quickly and accurately complete express classification processing.

Method used

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  • Method and system for automatically identifying express delivery barcode integrating machine vision and laser scanning

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Embodiment Construction

[0074] In order to describe the present invention more specifically, the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0075] Such as figure 1 Shown, a kind of express parcel automatic sorting barcode automatic recognition method comprises the following steps:

[0076] (1) When the express package to be sorted is transported to the first station along the conveyor line, that is, the height detection station based on light curtain sensing, the sorting is triggered by the through-beam optical fiber sensors installed at the bottom of both sides of the detection station. The pick recognition system works.

[0077] (2) The fiber optic sensor first triggers the work of the measuring light curtain sensors placed on both sides of the height detection station, selects the working mode "direct scanning" through the controller, and determines the working frequency of the light curt...

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Abstract

The invention discloses a method and system for automatically identifying express delivery barcode integrating machine vision and laser scanning. The method includes the following steps: using a light screen sensor to implement the height detection of express delivery parcels of all types various sizes on an automatic sorting line; in accordance with height values of various parcels, using one dimension linear motion unit to conduct self-adaptive adjustment on the height of a data acquisition unit so as to guarantee a constant distance between the data acquisition unit and an express delivery upper surface; combining a laser scanner and two groups of industrial cameras so as to finish barcode identification of express deliver barcodes, which increases identification accuracy; through comparison between barcode data and data in a network database, finding a destination of a parcel to be tested so as to finish sorting. The method has a high precision in identifying express delivery barcodes, can implement real-time identification on express delivery parcels of various sizes, reduces labor cost, and increases automation and intelligence level in the course of sorting express delivery parcels.

Description

technical field [0001] The invention belongs to the technical field of logistics automation and image recognition, and in particular relates to an automatic barcode recognition method and system for express delivery which integrates machine vision and laser scanning. Background technique [0002] In recent years, with the rapid development of my country's economy and e-commerce, the express delivery market has developed rapidly. Especially with the frenzy of online shopping, express delivery services have shown a doubling growth trend. According to incomplete statistics from the State Post Bureau, the total express delivery business in 2015 The volume is expected to reach 20 billion pieces, an increase of 8 times compared with the initial period of the "Twelfth Five-Year Plan". The scale of express delivery continues to expand, the service level continues to improve, and the number of enterprises has also increased significantly. Facing the explosive growth of express deliver...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K7/10
CPCG06K7/10712G06K7/10792G06K2207/1016
Inventor 侯北平朱文鲍远乐穆清平王周敏于爱华
Owner ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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