A comprehensive survey on image contrast enhancement techniques in spatial domain

D Vijayalakshmi, MK Nath, OP Acharya - Sensing and Imaging, 2020 - Springer
Image enhancement is essential for any image processing applications. The objective of
image enhancement is to reveal the hidden information which is not available for the …

A local contrast method for infrared small-target detection utilizing a tri-layer window

J Han, S Moradi, I Faramarzi, C Liu… - … and Remote Sensing …, 2019 - ieeexplore.ieee.org
Local contrast has been proved efficient for infrared (IR) small-target detection. However,
current algorithms do not enhance true target purposefully before local contrast calculation …

Dynamic histogram equalization for contrast enhancement for digital images

BS Rao - Applied Soft Computing, 2020 - Elsevier
Abstract Magnetic Resonance Imaging (MRI) is an efficient tool, produced by applying radio
waves and magnetic fields which is being useful in the diagnosis of various diseases like …

Automatic shoreline detection and change detection analysis of netravati-gurpurrivermouth using histogram equalization and adaptive thresholding techniques

R Aedla, GS Dwarakish, DV Reddy - Aquatic Procedia, 2015 - Elsevier
The shoreline change extraction and change detection analysis is an important task that has
application in different fields such as development of setback planning, hazard zoning …

Exposure based multi-histogram equalization contrast enhancement for non-uniform illumination images

SF Tan, NAM Isa - Ieee Access, 2019 - ieeexplore.ieee.org
Non-uniform illuminated images pose challenges in contrast enhancement due to the
existence of different exposure region caused by uneven illumination. Although Histogram …

Contrast enhancement and brightness preserving of digital mammograms using fuzzy clipped contrast-limited adaptive histogram equalization algorithm

S Jenifer, S Parasuraman, A Kadirvelu - Applied Soft Computing, 2016 - Elsevier
A novel fuzzy logic and histogram based algorithm called Fuzzy Clipped Contrast-Limited
Adaptive Histogram Equalization (FC-CLAHE) algorithm is proposed for enhancing the local …

Automatic system for improving underwater image contrast and color through recursive adaptive histogram modification

ASA Ghani, NAM Isa - Computers and electronics in agriculture, 2017 - Elsevier
Contrast and color are important attributes to extract and acquire much information from
underwater images. However, normal underwater images contain bright foreground and …

Infrared image enhancement through saliency feature analysis based on multi-scale decomposition

J Zhao, Y Chen, H Feng, Z Xu, Q Li - Infrared Physics & Technology, 2014 - Elsevier
To improve contrast between dim target region and background in infrared (IR) long-range
surveillance, this paper proposes a fast image enhancement approach using saliency …

Entropy and contrast enhancement of infrared thermal images using the multiscale top-hat transform

JC Mello Roman, JL Vazquez Noguera, H Legal-Ayala… - Entropy, 2019 - mdpi.com
Discrete entropy is used to measure the content of an image, where a higher value indicates
an image with richer details. Infrared images are capable of revealing important hidden …

Bi-histogram equalization using modified histogram bins

JR Tang, NAM Isa - Applied Soft Computing, 2017 - Elsevier
The shifting of image mean brightness and the domination of high-frequency bins during
histogram equalization (HE) often result in the deteriorating quality of enhanced images and …