Search: WFRF:(Tan Kai)
> (2020-2024) >
A contrast enhancem...
-
Hum, Yan ChaiDepartment of Mechatronics and Biomedical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Malaysia
(author)
A contrast enhancement framework under uncontrolled environments based on just noticeable difference
- Article/chapterEnglish2022
Publisher, publication year, extent ...
-
Elsevier,2022
-
printrdacarrier
Numbers
-
LIBRIS-ID:oai:DiVA.org:ltu-89816
-
https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-89816URI
-
https://doi.org/10.1016/j.image.2022.116657DOI
Supplementary language notes
-
Language:English
-
Summary in:English
Part of subdatabase
Classification
-
Subject category:ref swepub-contenttype
-
Subject category:art swepub-publicationtype
Notes
-
Validerad;2022;Nivå 2;2022-03-21 (johcin);Funder: UTAR Research Fund (IPSR/RMC/UTARRF/2020-C1/H02).
-
Image contrast enhancement refers to an operation of remapping the pixels’ values of an image to emphasize desired information in the image. In this work, we propose a novel pixel-based (local) contrast enhancement algorithm, based on the human visual perception. First, we make an observation that pixels with lower regional contrast should be amplified for the purpose of enhancing the contrast and pixels with higher regional contrast should be suppressed to avoid undesired over-enhancement. To determine the quality of the regional contrast in the image (either lower or higher), a reference image will be created using a proposed global based contrast enhancement method (termed as Mean Brightness Bidirectional Histogram Equalization in the paper) for fast computation reason. To quantify the abovementioned regional contrast, we propose a method based on human visual perception taking Just Noticeable Difference (JND) into account. In short, our proposed algorithm is able to limit the enhancement of well-contrasted regions and enhance the poor contrast regions in an image. Both objective quality and subjective quality experimental results suggested that the proposed algorithm enhances images consistently across images with different dynamic range. We conclude that the proposed algorithm exhibits excellent consistency in producing satisfactory result for different type of images. It is important to note that the algorithm can be directly implemented in color space and not limited only to grayscale. The proposed algorithm can be obtained from the following GitHub link: https://github.com/UTARSL1/CHE.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
-
Tee, Yee KaiDepartment of Mechatronics and Biomedical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Malaysia
(author)
-
Yap, Wun-SheDepartment of Electrical and Electronic Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Malaysia
(author)
-
Mokayed, HamamLuleå tekniska universitet,EISLAB(Swepub:ltu)mokham
(author)
-
Tan, Tian SweeBioInspired Device and Tissue Engineering Research Group, School of Biomedical Engineering and Health Sciences, Faculty of Engineering, Universiti Teknologi Malaysia, 81300 Skudai, Johor, Malaysia
(author)
-
Salim, Maheza Irna MohamadDiagnostic Research Group, School of Biomedical Engineering and Health Sciences, School of Biomedical Engineering and Health Sciences, Faculty of Engineering, Universiti Teknologi Malaysia, 81300 Skudai, Johor, Malaysia
(author)
-
Lai, Khin WeeDepartment of Biomedical Engineering, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
(author)
-
Department of Mechatronics and Biomedical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, MalaysiaDepartment of Electrical and Electronic Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Malaysia
(creator_code:org_t)
Related titles
-
In:Signal processing. Image communication: Elsevier1030923-59651879-2677
Internet link
Find in a library
To the university's database