NDLI: Detection of power line insulators on digital images with the use of laser spots

Content Provider	IET Digital Library
Author	Tomaszewski, Michał Michalski, Paweł Ruszczak, Bogdan Zator, Sławomir
Abstract	The massive growth of technologies used to register and process digital images allow for their application in evaluating the technical condition of power lines. However, it is not possible without a set of dedicated methods for obtaining diagnostic information based on registered video data. The method described here details the detection of power line insulators in digital images featuring diversified backgrounds using laser spots. The algorithm of detecting an insulator in analysed images is based on testing the digital signal of pixel intensity profiles read between subsequent pairs of laser points in the image. The method is comprised of the following stages: import the image with laser spots, detection of spots on the image, and pattern classification of each image profile that is calculated for each found laser spots pair. The evaluated profiles depicting an insulator were characterised by regular patterns that reflect the target structure. To classify profiles as either insulator containing or non-containing, several steps should be followed: averaging the signal, removing the linear trend, finding and alternating the minima and maxima. The performance of the proposed method was verified using an open-access dataset, comprised of various scenes featuring high-voltage power line insulators.
Starting Page	2358
Ending Page	2366
Page Count	9
ISSN	17519659
Volume Number	13
e-ISSN	17519667
Issue Number	Issue 12, Oct (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-ipr/13/12
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-ipr.2018.6284
Journal	IET Image Processing
Publisher	The Institution of Engineering and Technology
Publisher Date	2019-08-01
Access Restriction	Open
Rights License	Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
Subject Keyword	Computer Vision And Image Processing Technique Connector Digital Image Processing Digital Signal Testing High-voltage Power Line Insulator Image Classification Image Profile Image Recognition Image Registration Insulator Laser Spots Object Detection Open-access Dataset Pattern Classification Pixel Intensity Profile Power Cables Power Engineering Computing Power Line Insulator Detection Power Line Supports Registered Video Data Spot Detection Video Signal Processing
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering Computer Vision and Pattern Recognition Software

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