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Electrical experiment report identification method and device

The technology of an experiment report and identification method is applied in the field of electrical experiment report identification method and device, which can solve the problems of inability to identify electronic devices, easily lose image information, and low identification accuracy, and achieve simplified calculation procedures, simple and effective methods, and reliable highly operable effect

Pending Publication Date: 2020-12-22
GUANGDONG POWER GRID CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The identification of electronic devices is an important research direction in the field of image recognition. The traditional OCR recognition technology cannot identify irregular electronic devices in the experiment report.
[0003] The recognition accuracy of other recognition methods is not high, and image information is easily lost in the process of image recognition, so the recognition accuracy is low and the amount of calculation is large

Method used

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  • Electrical experiment report identification method and device
  • Electrical experiment report identification method and device
  • Electrical experiment report identification method and device

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Embodiment 1

[0036] figure 1 For the flow chart of an electrical experiment report identification method provided in Embodiment 1 of the present invention, refer to figure 1 , the electrical experiment report identification method steps are as follows:

[0037] 110. Extract the area diagram with components from the electrical experiment report;

[0038] 120. Use the envelope analysis method to separate the convex hull of the components in the area diagram, and extract the contour diagram of the components that need to be identified;

[0039] 130. Using a LOG operator to extract a sharpened edge image from the component outline image;

[0040] 140. Select the orthogonal axis of the centroid of the sharpened edge map, rotate the main axis to the horizontal direction, and form the principal component edge contour map;

[0041] 150. Compare the principal component edge contour map with the standard contour map to determine the recognition result.

[0042] Specifically, the electrical exper...

Embodiment 2

[0061] image 3 Provide a structural diagram of an electrical experiment report identification device for Embodiment 2 of the present invention, refer to image 3 , the electrical experiment report identification device includes a first extraction module 310, a separation module 320, a second extraction module 330, a rotation module 340 and an identification module 350;

[0062] The first extraction module 310 is used to extract the area diagram with components and parts from the electrical experiment report;

[0063] The separation module 320 is used to separate the convex hull of the components in the area diagram by using the envelope analysis method, and extract the outline diagram of the components to be identified;

[0064] The second extraction module 330 is used to extract a sharp edge image from the component outline image using a LOG operator;

[0065] The rotation module 340 is used to select the orthogonal axis of the centroid of the sharpened edge map, and rotat...

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Abstract

The invention provides an electrical experiment report identification method and device. The electrical experiment report identification method comprises steps of extracting a region map with components from an electrical experiment report; adopting an envelope analysis method to carry out convex hull separation on the components in the region map, and extracting a component contour map needing tobe identified; extracting a sharpened edge graph from the component profile graph by using a LOG operator; selecting an orthogonal axis of the centroid of the sharpened edge graph, and rotating the main axis to a horizontal direction to form a principal component edge contour graph; and comparing the principal component edge contour map with a standard contour map to determine an identification result. According to the electrical experiment report identification method provided by the embodiment of the invention, the electrical component can be segmented from the scanning image, then the information of the electrical component can be identified, the experiment result information in the experiment report can be effectively identified, and the method is simple and effective, high in identification accuracy, small in calculation amount and high in operability.

Description

technical field [0001] The invention relates to the field of image recognition, in particular to an electrical experiment report recognition method and device. Background technique [0002] The recognition of electronic devices is an important research direction in the field of image recognition. The traditional OCR recognition technology cannot recognize irregular electronic devices in the experiment report. [0003] The recognition accuracy of other recognition methods is not high, and the image information is easy to be lost in the process of image recognition, so the recognition accuracy is low and the amount of calculation is large. Contents of the invention [0004] The electrical experiment report identification method provided by the embodiment of the present invention can segment the electrical components from the scanned image, and then identify the information of the electrical components, and can effectively identify the experimental result information in the e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/46G06K9/62
CPCG06V30/422G06V10/44G06V10/752
Inventor 魏建荣何海生邹小辉刘韵艺
Owner GUANGDONG POWER GRID CO LTD
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