Ultraviolet discharge image segmentation method and computer readable medium

A technology of image segmentation and ultraviolet image, which is applied in image analysis, computer components, calculation, etc., can solve the problems of slow image segmentation speed, easily affected discharge signal area extraction, and poor effect, so as to achieve good segmentation effect and improve segmentation Effects, Fast and Accurate Segmentation of Effects

Pending Publication Date: 2021-10-15
SHANGHAI UNIVERSITY OF ELECTRIC POWER
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Problems solved by technology

When the threshold segmentation method is applied to UV image segmentation, due to the interference of the background area in the UV image, the extraction of the discharge signal area is easily affected, and the image segmentation speed is slow and the effect is poor.

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  • Ultraviolet discharge image segmentation method and computer readable medium
  • Ultraviolet discharge image segmentation method and computer readable medium
  • Ultraviolet discharge image segmentation method and computer readable medium

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Embodiment Construction

[0056] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0057] This embodiment relates to a UV discharge image segmentation method combined with saliency detection and optimized Otsu algorithm, and its process is as follows figure 1 shown, including:

[0058] Step 1: Obtain the ultraviolet discharge image to be segmented, and preprocess the image;

[0059] First import the image to be segmented, such as figure 2 (a) shown. Then Gaussian smoothing is performed on the image to remove image noise so as to perf...

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Abstract

The invention relates to an ultraviolet discharge image segmentation method and a computer readable medium, and the method comprises the steps: 1, obtaining a to-be-segmented ultraviolet discharge image, and carrying out the preprocessing of the image; step 2, carrying out superpixel segmentation on the ultraviolet image; step 3, performing saliency detection on the image; and 4, performing binarization threshold selection on the saliency detection result by using an Otsu algorithm optimized by a bat algorithm with Levy flight characteristics to obtain an ultraviolet image segmentation result. Compared with the prior art, the method has the advantages of good segmentation effect, accuracy, rapidness and the like.

Description

technical field [0001] The invention relates to the technical field of image segmentation, in particular to an ultraviolet discharge image segmentation method combined with saliency detection and Otsu algorithm optimization and a computer-readable medium. Background technique [0002] When problems such as insulation aging occur in power equipment, partial discharge may exist, which affects the safe and stable operation of the equipment. The light emitted by partial discharges includes visible light, infrared and ultraviolet light. Traditional detection methods include artificial visual and infrared imaging, etc., but when these two methods detect visible light or infrared signals, the power equipment is often severely damaged and generates heat, the timeliness is poor, and they are easily interfered by sunlight. The effect is not ideal. The wavelength of ultraviolet rays irradiated by the sun on the earth is above 280nm, and the interval below 280nm is called the solar bl...

Claims

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Application Information

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IPC IPC(8): G06T7/136G06K9/46
CPCG06T7/136G06T2207/10004
Inventor 秦伦明周婧陈思林左安全
Owner SHANGHAI UNIVERSITY OF ELECTRIC POWER
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