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69191

Contrast Enhancement of Power Plant Images Obtained from Industrial Borescope Devices

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Last updated: 04 Jan 2025

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Abstract

The industrial Video scope (VS) device is designed for the endoscopic inspection of professional equipment, like motors, pumps, turbines, cavities in buildings and vehicle bodies, etc. The output of this device is images and videos, but some output images may suffer from low contrast and poor details. This paper presents three proposed approaches to enhance the quality of the VS images. The first proposed approach is based on Contrast Limited Adaptive Histogram Equalization (CLAHE) with adaptive gamma correction. By choosing the best clip limits in CLAHE and transfer function (adaptive gamma correction), the first proposal achieves optimum contrast enhancement for the VS images. The second proposed approach depends on the Homomorphic with emphasis high pass filter. The homomorphic filtering is utilized on the video scope image in logarithm domain, Applying this method gives more details in the VS images. The third proposed approach depends on Homomorphic with emphasis high pass filter with histogram equalization. Applying this method gives more accurate and best visual quality of the output VS images. Numerical results show the ability of the three proposals in improvement the VS image quality, and they can be recommended for industrial VS systems.

DOI

10.21608/mjeer.2020.69191

Keywords

Videoscope images, CLAHE, Homomorphic filtering, adaptive gamma correction, Histogram equalization

Authors

First Name

Reda

Last Name

ammar

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-

Affiliation

Dept. of Electronics and Electrical Communications Engineering., Faculty of Elect., Eng., Menoufia University, Egypt.

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First Name

Amir

Last Name

elsafrawey

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-

Affiliation

Dept. of Electronics and Electrical Communications Engineering., Faculty of Elect., Eng., Menoufia University, Egypt

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Orcid

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First Name

Huda

Last Name

ashiba

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-

Affiliation

Dept. of Electronics and Electrical Communications Engineering., Faculty of Elect., Eng., Menoufia University, Egypt.

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Orcid

-

First Name

Waleed

Last Name

el-shafai

MiddleName

-

Affiliation

Dept. of Electronics and Electrical Communications Engineering., Faculty of Elect., Eng., Menoufia University, Egypt.

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-

Orcid

-

First Name

Atef abou

Last Name

elazm

MiddleName

-

Affiliation

Dept. of Electronics and Electrical Communications Engineering., Faculty of Elect., Eng., Menoufia University, Egypt

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Orcid

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First Name

Fathi abd el

Last Name

samie

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-

Affiliation

Dept. of Electronics and Electrical Communications Engineering., Faculty of Elect., Eng., Menoufia University, Egypt.

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Volume

29

Article Issue

1

Related Issue

9963

Issue Date

2020-01-01

Receive Date

2020-01-26

Publish Date

2020-01-01

Page Start

91

Page End

97

Print ISSN

1687-1189

Online ISSN

2682-3535

Article File

MJEER_Volume 29_Issue 1_Pages 91-97.pdf

PDF . 1.2MB

Link

https://mjeer.journals.ekb.eg/article_69191.html

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https://mjeer.journals.ekb.eg/service?article_code=69191

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Original Article

Type Code

1,088

Publication Type

Journal

Publication Title

Menoufia Journal of Electronic Engineering Research

Publication Link

https://mjeer.journals.ekb.eg/

MainTitle

Contrast Enhancement of Power Plant Images Obtained from Industrial Borescope Devices

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Article

Created At

22 Jan 2023