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A Classification Method for Electric Wire Detection Based on Filtered Response

A technology of filter response and classification method, which is applied in the fields of instrument, calculation, character and pattern recognition, etc. It can solve the problems of parameter sensitivity and detect a lot of noise, and achieve the effect of high robustness and noise suppression.

Active Publication Date: 2017-07-14
STATE GRID CORP OF CHINA +3
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Problems solved by technology

[0005] Existing methods only use the canny operator and straight line detection methods. The shortcoming of these methods is that only the length of the straight line is used as the basis for judgment. For complex scenes, a lot of noise will be detected by the simple length judgment line detection method. and is sensitive to the parameter

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  • A Classification Method for Electric Wire Detection Based on Filtered Response
  • A Classification Method for Electric Wire Detection Based on Filtered Response
  • A Classification Method for Electric Wire Detection Based on Filtered Response

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[0033] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0034] like figure 1 and figure 2 As shown, a wire detection classification method based on filter response, including the following steps:

[0035] (1) Detection of straight lines:

[0036] Step 1. Build a database: Collect multiple training images and test images containing wires from the Internet, some of which contain complex scenes, such as complex traffic conditions, woods and houses;

[0037] Step 2. Image normalization processing and image edge extraction: For each training image, firstly perform normalization operation on the image size, set the height of the image to 200 pixels, keep the aspect ratio of the image unchanged, and then use The Canny operator obtains the edge of the ima...

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Abstract

The invention discloses a method for detecting and classifying electric wires based on filter response, including detection of straight lines and classification of electric wires. Firstly, possible electric wire regions are detected based on Canny operator and Hough transform, and then texture and color features are extracted from them. SVM with RBF kernel trains a wire classifier. The wire detection method based on the filter response proposed by the present invention can quickly and effectively detect the position of the wire, wherein the linear detection based on the filter can quickly and effectively detect the possible position of the wire, and can effectively suppress noise. In addition, The adopted texture and color features are robust to wire detection in complex environments.

Description

technical field [0001] The invention relates to a method for detecting and classifying electric wires, in particular to a method for detecting and classifying electric wires based on filtering responses. Background technique [0002] In recent years, my country's power system industry has developed rapidly, and the coverage area of ​​the power grid has become wider and wider, especially in towns, mountainous areas and remote areas. The rapid economic development has brought a large number of urban and rural power loads. To improve, it is necessary to effectively guarantee the safety of the power grid system, especially the wires, on the basis of ensuring the extensive use of energy. Therefore, in the process of promoting the grid power system, an effective power grid intelligent monitoring system should also be established. Traditional wire monitoring includes manual inspection and helicopter inspection. my country's power grid system has the characteristics of long transmiss...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00G06K9/62
CPCG06F18/23211G06F18/2411G06F18/214
Inventor 姚楠罗旺洪功义张天兵郭雅娟
Owner STATE GRID CORP OF CHINA