Results 21 to 30 of about 1,011 (209)

Non-Uniform-Illumination Image Enhancement Algorithm Based on Retinex Theory

open access: yesApplied Sciences, 2023
To address the issues of fuzzy scene details, reduced definition, and poor visibility in images captured under non-uniform lighting conditions, this paper presents an algorithm for effectively enhancing such images.
Xiu Ji   +3 more
doaj   +1 more source

Modified dark channel prior based on multi-scale Retinex for power image defogging

open access: yesEAI Endorsed Transactions on Scalable Information Systems, 2021
We, the Publisher, have retracted the following article: Haiyan Yu, Jihong Wang (2022). Modified dark channel prior based on multi-scale Retinex for power image defogging. EAI Endorsed Scal Inf Syst.
Haiyan Yu, Jihong Wang
doaj   +1 more source

Underwater image enhancement method with non-uniform illumination based on Retinex and ADMM

open access: yesXibei Gongye Daxue Xuebao, 2021
In order to solve the image blurring and distortion problem caused by underwater non-uniform and low illumination, this paper proposes an underwater image enhancement algorithm based on the Retinex theory and the Alternating Direction Method of ...

doaj   +1 more source

Improved Retinex-Theory-Based Low-Light Image Enhancement Algorithm

open access: yesApplied Sciences, 2023
Researchers working on image processing have had a hard time handling low-light images due to their low contrast, noise, and brightness. This paper presents an improved method that uses the Retinex theory to enhance low-light images, with a network model
Jiarui Wang   +3 more
doaj   +1 more source

Retracted: Research on image sharpening algorithm in weak illumination environment

open access: yesIET Image Processing, 2020
Owing to low light intensity, the image detector is underexposure, the colour and contrast of scene images will be changed, so it is of great significance to study the image sharpening in a weak illumination environment.
Jinxing Niu, Yajie Jiang, Yayun Fu
doaj   +1 more source

Target recognitions in multiple camera CCTV using colour constancy [PDF]

open access: yes, 2013
People tracking using colour feature in crowded scene through CCTV network have been a popular and at the same time a very difficult topic in computer vision.
Merfort, Christian   +8 more
core   +1 more source

Accurate Fish Detection under Marine Background Noise Based on the Retinex Enhancement Algorithm and CNN

open access: yesJournal of Marine Science and Engineering, 2022
Underwater detection equipment with fish detection technology has broad application prospects in marine fishery resources exploration and conservation.
Yanhu Chen, Yucheng Ling, Luning Zhang
doaj   +1 more source

Low-light Image Enhancement Based on Retinex Theory by Convolutional Neural Network [PDF]

open access: yesJisuanji kexue, 2022
In the course of decomposing and enhancing the low-light images with Retinex model,it needs to manually adjust the parameters continuously to reach the optimal solution,which will reduce the efficiency of the entire process.In addition,existing low-light
ZHAO Zheng-peng, LI Jun-gang, PU Yuan-yuan
doaj   +1 more source

Contactless Fingerprint Image Enhancement Based on Retinex and STFT [PDF]

open access: yesJisuanji gongcheng, 2017
For the low contrast between ridges and valleys,shake blur and other issues of fingerprint images obtained with digital cameras,a contactless fingerprint image enhancement algorithm based on Retinex theory and Short Time Fourier Transform(STFT) analysis ...
TANG Yonghe,JIANG Liehui,HOU Yifan,WANG Ruimin
doaj   +1 more source

Mathematical insights into the original Retinex algorithm for image enhancement

open access: yes, 2022
The Retinex theory, originally developed by Land and McCann as a computation model of the human color sensation, has become, with time, a pillar of digital image enhancement.
Lecca, Michela   +2 more
core   +1 more source

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