Results 1 to 10 of about 1,749,429 (315)

Efficient Approach to Color Image Segmentation Based on Multilevel Thresholding Using EMO Algorithm by Considering Spatial Contextual Information [PDF]

open access: yesJournal of Imaging, 2023
The process of image segmentation is partitioning an image into its constituent parts and is a significant approach for extracting interesting features from images.
Srikanth Rangu   +3 more
doaj   +2 more sources

Color Image Coding by Colorization Approach [PDF]

open access: yesEURASIP Journal on Image and Video Processing, 2008
This paper proposes a new color image coding scheme called "colorization image coding." The scheme is based on the colorization technique which can colorize a monochrome image by giving a small number of color pixels.
Horiuchi Takahiko, Tominaga Shoji
doaj   +3 more sources

Color image enhancement [PDF]

open access: bronzeProceedings of the 30th annual Southeast regional conference on - ACM-SE 30, 1992
Color image enhancement is becoming an increasingly important research area. This paper reviews some image enhancement techniques developed specifically for gray-images and presents an extension and application to color images of a method that involves the decomposition of an image into background and texture components.
Kuei-Chun Chen
openalex   +3 more sources

Exploring the limits of color accuracy in technical photography

open access: yesHeritage Science, 2021
The growing importance of publishing art collections online has led to increasingly strict tolerances on digital photography of art objects. There are two internationally recognized sets of guidelines for creating high-quality digital images, Metamorfoze
Eric Kirchner   +3 more
doaj   +1 more source

Rapid Contrast Enhancement Algorithm for Natural Contrast- Distorted Color Images [PDF]

open access: yesAl-Rafidain Journal of Computer Sciences and Mathematics, 2021
Digital images are often obtained with contrast distortions due to different factors that cannot be avoided on many occasions. Various research works have been introduced on this topic, yet no conclusive findings have been made.
Asmaa Albakri, Zohair Al-Ameen
doaj   +1 more source

An innovate approach for retinal blood vessel segmentation using mixture of supervised and unsupervised methods

open access: yesIET Image Processing, 2021
Segmentation of retinal blood vessels is a very important diagnostic procedure in ophthalmology. Segmenting blood vessels in the presence of pathological lesions is a major challenge.
Md. Abu Sayed   +4 more
doaj   +1 more source

A Systematic Mapping Review on MOOC Recommender Systems

open access: yesIEEE Access, 2021
Online learning environments (OLE) including learning management systems (LMS) and massive open online courses (MOOCs) are gaining popularity as the best modern alternate solutions available for education in the current era.
Imran Uddin   +4 more
doaj   +1 more source

Heat insulation effect in solar radiation of polyurethane powder coating nanocomposite

open access: yesScientific Reports, 2021
This study aims to improve polyurethane-based coating by modified zirconium oxide and aluminum oxide nanoparticles for preparing thin polymeric heat insulation coatings.
Ali Akbar Azemati   +6 more
doaj   +1 more source

Efficient Sandstorm Image Enhancement Using the Normalized Eigenvalue and Adaptive Dark Channel Prior

open access: yesTechnologies, 2021
A sandstorm image has features similar to those of a hazy image with regard to the obtaining process. However, the difference between a sand dust image and a hazy image is the color channel balance.
Ho Sang Lee
doaj   +1 more source

Determining the area of sugar beet using digital image processing method and its correlation with the technological factors [PDF]

open access: yesPizhūhish va Nuāvarī dar ̒Ulūm va Sanāyi̒-i Ghaz̠āyī, 2016
Sugar beet is considered as a one of the strategic industrial plant and the main source of sugar production in Iran and the world's. The present study was carried outduring the operation period timein 1392 on sugar beet sent to Hamedan sugar factory. The
Ahmad Bahadorbaigy   +3 more
doaj   +1 more source

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