An Infrared Image Filtering Method for High-Voltage Cable Porcelain Sheath Terminals

A technology of infrared images and high-voltage cables, which is applied in image enhancement, image analysis, image data processing, etc., can solve the problems of loss of image edge details, failure, etc., and achieve complete details, good denoising effect, and clear infrared images

Active Publication Date: 2021-08-03
ZHUHAI POWER SUPPLY BUREAU GUANGDONG POWER GIRD CO
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Problems solved by technology

[0004] The traditional median filtering algorithm does not distinguish between noise points and signal points, but processes all pixels uniformly. While denoising, useful pixels are also filtered out, resulting in the loss of image edge details, and the method is almost invalid when the noise density is greater than 50%.

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  • An Infrared Image Filtering Method for High-Voltage Cable Porcelain Sheath Terminals
  • An Infrared Image Filtering Method for High-Voltage Cable Porcelain Sheath Terminals
  • An Infrared Image Filtering Method for High-Voltage Cable Porcelain Sheath Terminals

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[0026] The accompanying drawings are for illustrative purposes only, and should not be construed as limitations on this patent; in order to better illustrate this embodiment, certain components in the accompanying drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art It is understandable that some well-known structures and descriptions thereof may be omitted in the drawings. The positional relationship described in the drawings is for illustrative purposes only, and should not be construed as a limitation on this patent.

[0027] Such as figure 1 As shown, a high-voltage cable porcelain sleeve terminal infrared image filtering method, which includes the following steps:

[0028] S1. Input the infrared image of the high-voltage cable porcelain sleeve terminal to be processed;

[0029] S2. Set the threshold and divide the pixels of the infrared image into useful signal points and suspicious noise points...

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Abstract

The present invention provides a high -pressure cable porcelain sleeve end infrared image filtering method.An infrared image filtering method of high -voltage cable porcelain set, including the following steps: S1. Enter the infrared image of the high -pressure cable porcelain set terminal to be treated; set the threshold to divide the pixels of infrared images into useful signal points andSuspicious noise points; s3. Do not process the useful signal point, and the noise point of suspicious noise points is further exfoliated based on its neighborhood; S4.The filtering method of the present invention first divides the pixels of infrared images into useful signal points and suspicious noise points, and further processing the suspicious noise point can achieve better noise effects.

Description

technical field [0001] The invention relates to the technical field of infrared image processing, and more particularly, to an infrared image filtering method for a high-voltage cable porcelain sleeve terminal. Background technique [0002] Whether the infrared image of the high-voltage cable porcelain sleeve terminal is clear, whether the image details are complete, and whether the features are obvious are the keys to correct diagnosis. Infrared images are affected by detector noise and various electronic device noises during the generation process, and have the characteristics of high noise and low contrast. Therefore, it is a prerequisite for correct diagnosis to use high-efficiency filtering methods to denoise infrared images of cable ceramic sleeve terminals and improve image quality. [0003] Image denoising methods can be roughly divided into two categories: spatial domain and frequency domain. Among them, the most effective spatial denoising methods are mean filter...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00
CPCG06T5/002G06T2207/10048
Inventor 吴炬卓高紫建
Owner ZHUHAI POWER SUPPLY BUREAU GUANGDONG POWER GIRD CO
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