Browsing MF - EEM Makale Koleksiyonu by Title
Now showing items 60-79 of 161
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H alpha line measurements from ten diffuse galactic sources using the DEFPOS facility
(WILEY-V C H VERLAG GMBH, 2015-07)The hydrogen Balmer-alpha emission line spectrum of ten diffuse ionization sources in the Milk Way - NGC 40 (WC8), NGC 2022, NGC 6210, NGC 6618 (M17, Sh2-45), NGC 6720 (M57), NGC 6781, NGC 6888 (Sh2-105), NGC 6992 (Sh2-103), ... -
Histogram-Based Feature Extraction from Individual Gray Matter Similarity-Matrix for Alzheimer's Disease Classification
(IOS PRESS, 2017)Automatic computer-aided diagnosis (CAD) systems have been widely used in classification of patients who suffer from Alzheimer's disease (AD). This paper presents an automatic CAD system based on histogram feature extraction ... -
Human activity recognition-based path planning for autonomous vehicles
(Springer Science and Business Media Deutschland GmbH, 2020)Human activity recognition (HAR) is a wide research topic in a field of computer science. Improving HAR can lead to massive breakthrough in humanoid robotics, robots used in medicine and in the field of autonomous vehicles. ... -
Hybrid Fuzzy PI-Control Scheme for Quasi Multi-Pulse Interline Power Flow Controllers Including the P-Q Decoupling Feature
(KOREAN INST POWER ELECTRONICS, 2012-09)Real and reactive power flows on a transmission line interact inherently. This situation degrades power flow controller performance when independent real and reactive power flow regulation is required. In this study, a ... -
Hybrid optimization based harmonic minimization in three phase multilevel ınverter with reduced switch topology
(Institute of Electrical and Electronics Engineers Inc., 2024)This study presents an innovative hybrid optimization approach that combines teaching-learning based optimization (TLBO) with the whale optimization algorithm (WOA) for selective harmonic elimination (SHE) technique in a ... -
Ideal-based quasi zero divisor graph
(Hacettepe Üniversitesi Fen Fakultesi, 2021)Let R be a commutative ring with identity and I a proper ideal of R. In this paper we introduce the ideal-based quasi zero divisor graph QGammaI(R) of R with respect to I which is an undirected graph with vertex set ... -
Image illumination enhancement with an objective no-reference measure of illumination assessment based on Gaussian distribution mapping
(ELSEVIER - DIVISION REED ELSEVIER INDIA PVT LTD, 2015-12)Illumination problems have been an important concern in many image processing applications. The pattern of the histogram on an image introduces meaningful features; hence within the process of illumination enhancement, it ... -
Imperceptible non-blind watermarking and robustness against tone mapping operation attacks for high dynamic range images
(SPRINGER, 2018-09)High dynamic range (HDR) imaging has experienced a widespread during the recent years through various technologies, including social network applications, which necessitates robust watermarking schemes to protect the ... -
Implementing PointNet for point cloud segmentation in the heritage context
(SPRINGER, JAN 4 2023)Automated Heritage Building Information Modelling (HBIM) from the point cloud data has been researched in the last decade as HBIM can be the integrated data model to bring together diverse sources of complex cultural content ... -
Improved line-line method for propagation constant measurement of reflection-asymmetric networks
(ELSEVIER SCI LTD, MAR 31 202)A new formalism using line-line measurements is proposed to improve the accuracy of propagation constant measurement of reflection-asymmetric networks using non-calibrated scattering (S-) parameters. For this measurement, ... -
Improved Method for Permittivity Determination of Dielectric Samples by Free-Space Measurements
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2022)A new deembedding technique is proposed for relative complex permittivity epsilon(r) determination of dielectric materials using gated free-space measurements. Its three main features are 1) it does not require any formal ... -
Improving Return on Investment for Photovoltaic Plants by Deploying Customized Load
(Institute of Electrical and Electronics Engineers Inc., 16 October)The deployment of grid connected photovoltaic (PV) power plants is increasing dramatically recently. Due to the intermittent nature of the PV power plant, a battery and/or a power curtailment controller has to be installed ... -
Innovative diagnostic tool: Convolutional neural network for early fat malabsorption detection in pediatric patients with chronic diarrhea
(Brıefland, APR 2024)Background: Chronic diarrhea in children poses a significant clinical challenge and can lead to adverse health outcomes. Among various causes, fat malabsorption is particularly concerning, as it may lead to inadequate ... -
An interaction-oriented multi-agent SIR model to assess the spread of SARS-CoV-2
(HACETTEPE UNIV, 2021)It is important to recognize that the dynamics of each country are different. Therefore, the SARS-CoV-2 (COVID-19) pandemic necessitates each country to act locally, but keep thinking globally. Governments have a responsibility ... -
Interpenetrated triple polymeric layer as electrochemomechanical actuator: Solvent influence and diffusion coefficient of counterions
(PERGAMON-ELSEVIER SCIENCE LTD, 2017-03-10)Full polymeric trilayers formed by two lateral polypyrrole-dodecylbenzoesulfate (PPyDBS) films interpenetrating a polyvinylidene fluoride (PVdF) central membrane were electrochemically characterized. Square wave voltammetric ... -
Investigation and determination of optimal tilt angles and solar radiation gains for fixed and tracked south-facing solar photovoltaic surfaces in provinces of Türkiye
(SPRINGER, OCT 2023)The solar photovoltaic (PV) plants in Turkiye have been advancing at a remarkable rate in the last decades because of the region's high solar energy potential. However, it is understood from the literature review that there ... -
Low-quality fingerprint classification using deep neural network
(INST ENGINEERING TECHNOLOGY-IET, 2018-11)Fingerprint recognition systems mainly use minutiae points information. As shown in many previous research works, fingerprint images do not always have good quality to be used by automatic fingerprint recognition systems. ... -
Mean-square deviation analysis of the zero-attracting variable step-size LMS algorithm
(SPRINGER LONDON LTD, 2017-03)The well-known variable step-size least-mean-square (VSSLMS) algorithm provides faster convergence rate while maintaining lower mean-square error than the conventional LMS algorithm. The performance of the VSSLMS algorithm ... -
Measurement of the Width of Ultrashort Optical Pulses with a Streak Camera
(OLD CITY PUBLISHING INC, 2019)The streak camera is an ultrahigh speed detector which captures light emission phenomena occurring in extremely short time periods. In this work the operating principles of a synchroscan streak camera are introduced and ... -
Mechanical and Electromagnetic Properties of Self-Compacted Geopolymer Concretes With Nano Silica and Steel Fiber Additives
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, IEEE-INST )Mechanical and electromagnetic properties (over 2-16 GHz) of self-compacted geopolymer concrete (SCGC) samples with different amounts of nanosilica (NS) and steel-fiber (SF) have been examined. From the mechanical tests, ...