Results 1 to 10 of about 1,847,144 (333)

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

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

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

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

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

Embedding color watermarks in color images [PDF]

open access: yes2001 IEEE Fourth Workshop on Multimedia Signal Processing (Cat. No.01TH8564), 2002
Robust watermarking with oblivious detection is essential to practical copyright protection of digital images. Effective exploitation of the characteristics of human visual perception to color stimuli helps to develop the watermarking scheme that fills the requirement.
Wu Tung-Lin, Chou Chun-Hsien
openaire   +2 more sources

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

Use of Multispectral Microscopy in the Prediction of Coated Halftone Reflectance

open access: yesJournal of Imaging, 2022
When a print is coated with a transparent layer, such as a lamination film or a varnish layer, its color can be modified compared to the uncoated version due to multiple reflections between the layer-air interface and the inked substrate.
Fanny Dailliez   +4 more
doaj   +1 more source

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