Results 21 to 30 of about 161,336 (310)

Sand-Dust Degraded Image Enhancement Algorithm Based on Histogram Equalization and MSRCR [PDF]

open access: yesJisuanji gongcheng, 2022
To solve the problems of severe image color offset and low contrast in dusty conditions, a sand-dust degraded image enhancement algorithm based on histogram equalization and Multi-Scale Retinex with Color Restoration (MSRCR) is proposed, which primarily ...
WANG Chunzhi, NIU Hongxia
doaj   +1 more source

An Endless Reset-Free Polarization Control Method Using Two Wave Plates

open access: yesIEEE Photonics Journal, 2010
We present a new, endless polarization control method based on two rotatable wave plates with variable birefringence. We propose two boundary conditions for the parameters of the wave plates so that this method will not have the pole problem.
Weifeng Rong   +6 more
doaj   +1 more source

Performance Investigation of Adaptive Ant Colony Optimization with 2-Opt Method

open access: diamondJournal of Signal Processing
Nozomi Kotake   +4 more
openalex   +3 more sources

Smoothed Analysis of the 2-Opt Algorithm for the General TSP [PDF]

open access: yesACM Transactions on Algorithms, 2016
2-Opt is a simple local search heuristic for the traveling salesperson problem that performs very well in experiments with respect to both running time and solution quality. In contrast to this, there are instances on which 2-Opt may need an exponential number of steps to reach a local optimum. To understand why 2-Opt usually finds local optima quickly
Englert, Matthias   +2 more
openaire   +1 more source

A study of the effects of clustering and local search on radio network design: evolutionary computation approaches [PDF]

open access: yes, 2008
Eighth International Conference on Hybrid Intelligent Systems. Barcelona, 10-12 September 2008The goal of this paper is twofold. First, we want to make a study about how evolutionary computation techniques can efficiently solve the radio network design ...
Isasi, Pedro   +2 more
core   +3 more sources

Protein Progressive MSA Using 2-Opt Method [PDF]

open access: yes, 2011
Gamil Abdel-Azim1,2, Aboubekeur Hamdi-Cherif1,3 Mohamed Ben Othman1,4 and Z.A. Aboeleneen5 1College of Computer, Qassim University 2College of Computer& Informatics, Canal Suez University 3Computer Science Department, Universite Ferhat Abbas, Setif (UFAS) 4The research Unit of Technologies of Information and Communication (UTIC) / ESSTT 5College of ...
Abdel-Azim, Gamil   +3 more
openaire   +2 more sources

Modified Ant Colony Optimization Algorithm for Multiple-vehicle Traveling Salesman Problems

open access: yesInternational Journal of Networked and Distributed Computing (IJNDC), 2018
In this work, we extended the original Traveling Salesman Problem (TSP) to cover not only the case of multiple vehicles but also to constrain the minimum and maximum numbers of cities each vehicle can visit.
Yindee Oonsrikaw, Arit Thammano
doaj   +1 more source

Optimization of Cyclodextrin-Assisted Extraction of Phenolics from Helichrysum italicum for Preparation of Extracts with Anti-Elastase and Anti-Collagenase Properties

open access: yesMetabolites, 2023
Helichrysum italicum is a plant traditionally used for skin-related disorders that is becoming an increasingly popular ingredient in cosmetic products. In this work, a “green” ultrasound-assisted extraction method for H.
Marijan Marijan   +7 more
doaj   +1 more source

Optimizing the Operation of $\hbox{LiNbO}_{3}$ -Based Multistage Polarization Controllers Through an Adaptive Algorithm

open access: yesIEEE Photonics Journal, 2010
The LiNbO3-based polarization controller is widely used, but it needs to be calibrated in order to cancel the remaining birefringence. The calibration of the LiNbO3 polarization controller is untrivial because there are several stages, and for each stage,
Lixia Xi   +7 more
doaj   +1 more source

Is opt-out enrolment acceptable for low-risk digital health services? [PDF]

open access: yesJournal of Primary Health Care, 2022
Introduction Digital health programmes not only complement existing services, but have the potential to reach populations that existing services are not reaching.
Hayden McRobbie   +5 more
doaj  

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