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Electrical component quotation method based on image identification

A technology for electrical components and image recognition, used in character recognition, character and pattern recognition, computer parts and other directions

Active Publication Date: 2017-08-18
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In order to overcome the problem of information entry in the existing paper-based electrical component quotations, the present invention provides a method for quoting electrical components based on image recognition

Method used

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  • Electrical component quotation method based on image identification
  • Electrical component quotation method based on image identification
  • Electrical component quotation method based on image identification

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Embodiment Construction

[0050] The specific implementation of the electric component quotation system of the present invention will be described in detail below in conjunction with the implementation examples, but the protection scope of the present invention is not limited thereto.

[0051] A method for quoting electric components based on image recognition of the present invention comprises the following steps:

[0052] Step 1: Read in the scanned image F of the electrical design drawing 1 , the grayscale image of the original image is as follows figure 1 shown;

[0053] Step 2: To scan image F 1 Perform tilt correction, specifically:

[0054] Step 2.1: Use the Hough method for line detection and extract the scanned image F 1 The straight line in , get the straight line set L={l i |i=1,2,…,n}, n represents the number of straight lines, the grayscale image of the straight line acquisition image is as follows figure 2As shown; because the electrical component quotation uses tables for informat...

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Abstract

The present invention relates to an electrical component quotation method based on image identification. The method is characterized in that the image identification technology is used to carry out table segmentation, component name identification and database matching quotation on the electrical design diagram. According to the method disclosed by the present invention, by automatically implementing image correction, by identifying a table position in the electrical component quotation, and by automatically extracting text information in the table, the specific quoted price of each electrical component is obtained, so that the cumbersome manual information input process is reduced, and the input error rate caused by manual information input is greatly reduced.

Description

technical field [0001] The invention relates to a quotation method for electrical components based on image recognition, in particular to a quotation method for electrical components using image recognition technology to divide the form of an electrical design drawing, identify component names, and match quotations in a database. Background technique [0002] In recent years, with the development of modern technology, the former paper-based office method is gradually being replaced by "paperless office". Due to the special period of the old and the new, there is still a lot of paper information that needs to be manually imported into the computer system, and the large amount of paper data information and the inevitable error rate of manual input make the automatic information collection system very important. meaning. [0003] In order to solve the problem of automated paper-based information extraction, academia and industry at home and abroad have proposed many solutions....

Claims

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Application Information

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IPC IPC(8): G06K9/20G06K9/32G06K9/46
CPCG06V10/225G06V30/1478G06V10/443G06V30/10
Inventor 高飞葛一粟杨程光金一鸣徐云静卢书芳毛家发肖刚
Owner ZHEJIANG UNIV OF TECH
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