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Research Article |

An Image Enhancement Method Using Nonlinear Function

Author(s): Libao Yang1, Suzelawati Zenian2 and Rozaimi Zakaria3

Published In : International Journal of Electrical and Electronics Research (IJEER)        Volume 10, Issue 4

Publisher : FOREX Publication

Published : 12 November 2022

e-ISSN : 2347-470X

Page(s) : 958-962

DOI: https://doi.org/10.37391/IJEER.100434

Abstract

Image enhancement plays an important role in image processing. This paper proposed an image enhancement method using a nonlinear(exponential) function. Firstly, we use the exponential function to construct the gray transformation equation. Then, depending on the position of each pixel, the gray scale obtained by gray transformation is further adjusted based on the compression factor. In section 3, the comparative experiment shows that the proposed method could achieve good performance.

Keywords: Image enhancement, Exponential function, Threshold .




Libao Yang, Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Kota Kinabalu, Sabah, Malaysia; Email: suzela@ums.edu.my
School of Mathematics and Information Technology, Xingtai University, Xingtai, Hebei, China

Suzelawati Zenian*, Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Kota Kinabalu, Sabah, Malaysia

Rozaimi Zakaria, Faculty of Science and Natural Resources, Universiti Malaysia Sabah, Kota Kinabalu, Sabah, Malaysia

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Libao Yang, Suzelawati Zenian and Rozaimi Zakaria (2022), An Image Enhancement Method Using Nonlinear Function. IJEER 10(4), 958-962. DOI: 10.37391/IJEER.100434.