Analysing of Hueckel Edge Detector Performance Using Satellite Image

Hameed M Abduljabbar

doi:10.1016/j.egypro.2018.11.217

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Publication Date

Tue Jan 01 2019

Journal Name

Energy Procedia

Volume

157

DOI

10.1016/j.egypro.2018.11.217

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Analysing of Hueckel Edge Detector Performance Using Satellite Image

Hueckel Edge detectorSatellite Imagestatistical analysispractical studyramp edges

Hameed M Abduljabbar

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In this research, an analysis for the standard Hueckel edge detection algorithm behaviour by using three dimensional representations for the edge goodness criterion is presents after applying it on a real high texture satellite image, where the edge goodness criterion is analysis statistically. The Hueckel edge detection algorithm showed a forward exponential relationship between the execution time with the used disk radius. Hueckel restrictions that mentioned in his papers are adopted in this research. A discussion for the resultant edge shape and malformation is presented, since this is the first practical study of applying Hueckel edge detection algorithm on a real high texture image containing ramp edges (satellite image).

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Publication Date

Thu Jun 01 2023

Journal Name

Iraqi Journal Of Physics

Preparation of SiO2:TiO2 for High-Performance Double Layer Anti-Reflection Coating

Antireflection coating

interference optical filter

mix dielectric coating

multi-layer theory

optical performance.

Shahed

Alaa

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In this work, an anti-reflection coating was prepared in the region (400-1000) nm of wavelength, with a double layer of silicon dioxide (SiO₂) as an inner layer and the second layer of the mixture (SiO₂) and titanium dioxide (TiO₂) with certain ratios, as an outer layer using the chemical spraying method with a number of 6 sprays of layer SiO₂ and 12 sprays of layer SiO₂ - TiO₂. Using the method of chemical spraying deposited on the glass as a substrate with a different number of sprays of SiO₂, and a fixed number of TiO₂-SiO₂. The optical and structural properties were determined using UV-Vis spectroscopy and atomic force mi

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(6)

Publication Date

Fri Sep 06 2024

Journal Name

Journal Of Optics

Optimization photodetection performance: investigation of doping effect on PVA/Y2O3 composite material

Ahmed J.

Iftikhar M.

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In this work, the photodetection performance of polyvinyl alcohol (PVA) nanofibers and its composite with yttrium oxide (Y2O3) at different concentrations (2.5, 5, 10) wt% are examined deposited on p-type Si with (111) orientation. Electrospinning technique was used to create nanofiber composites. Adding Y2O3 significantly impacts the PVA nanofibers where ultraviolet-visible (UV-Vis) spectroscopy optical absorption energy gap decreases with increased concentration (2.8, 2.6, and 2.3) eV. X-ray diffraction was used to investigate crystal structure, which is cubic structure. The chemical composition study was conducted using Fourier transform infrared spectroscopy (FTIR) spectra, which revealed the stretching vibrations related to the Y-O bon

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Publication Date

Mon Feb 28 2022

Journal Name

International Journal Of Interactive Mobile Technologies (ijim)

Flying Ad hoc Networks (FANET): Performance Evaluation of Topology Based Routing Protocols

Multi-UAV

Flying ad hoc Networks

Topology-Based Routing Protocol

Gauss Markov

Flying Altitude

Ali H.

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Flying Ad hoc Networks (FANETs) has developed as an innovative technology for access places without permanent infrastructure. This emerging form of networking is construct of flying nodes known as unmanned aerial vehicles (UAVs) that fly at a fast rate of speed, causing frequent changes in the network topology and connection failures. As a result, there is no dedicated FANET routing protocol that enables effective communication between these devices. The purpose of this paper is to evaluate the performance of the category of topology-based routing protocols in the FANET. In a surveillance system involving video traffic, four routing protocols with varying routing mechanisms were examined. Additionally, simulation experiments conduct

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(30)

Publication Date

Tue Sep 24 2019

Journal Name

Journal Of Engineering

Flexural Performance of Laced Reinforced Concrete Beams under Static and Fatigue Loads

reinforced concrete beam

laced reinforcement

static and fatigue loading.

haifaa dhamad

Abbas AbdulMajeed

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This paper introduces experimental results of eighteen simply supported reinforced concrete beams of cross sections ( ) and length 3000 mm to study the effect of lacing reinforcement on the performance of such beams under static and fatigue loads. Twelve reinforced concrete beams (two of them are casted with vertical shear reinforcement used as control beams) are tested under four points bending loading with displacement control technique and six laced reinforced concrete beams were exposed to high frequency (10 Hz) by fixing the fatigue load in each cycle. Three parameters are used in the designed beams, which are: lacing bar diameter (4mm, 6mm, and 8mm), lacing bar inclination angle to horizontal , and lacing steel rat

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(1)

Publication Date

Thu Dec 01 2011

Journal Name

Journal Of Engineering

THEORETICAL AND EXPERIMENTAL STUDY ON THERMAL PERFORMANCE OF CLOSED WET COOLING TOWER

Theoretical and Computational Analysis

Closed wet cooling tower

heat and mass transfer balance

Wet operation mode

variable air-spray water flow ratio

Najim A.

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Thermal performance of closed wet cooling tower has been investigated experimentally and theoretically
in this work. The theoretical model based on heat and mass transfer equations and heat and mass transfer balance equations which are established for steady state case. A new small indirect cooling tower was used for conducting experiments. The cooling capacity of cooling tower is 1 kW for an inlet water temperature of 38oC, a water mass velocity 2.3 kg/m2.s and an air wet bulb temperature of 26oC. This study investigates the relationship between saturation efficiency, cooling capacity and coefficient of performance of closed wet cooling tower versus different operating parameters such wet-bulb temperature, variable air-spray water fl

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Publication Date

Mon Jun 01 2015

Journal Name

. International Journal Of Computer Science And Mobile Computing

A Hybrid Lossy Image Compression based on Wavelet Transform, Polynomial Approximation Model, Bit Plane Slicing and Absolute Moment Block Truncation

Ghadah

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Publication Date

Tue Dec 20 2022

Journal Name

2022 International Conference On Computer And Applications (icca)

Improve Data Mining Techniques with a High-Performance Cluster

Fadhil H.M.

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Publication Date

Mon Mar 08 2021

Journal Name

Baghdad Science Journal

Fast neutrons Al-Hamdani utilization to solar cells performance

Ali-H.

Nidalla H.K.

Saad Adbulwahed

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Been in this gravel study the effect of Alchgag fast neutrons emitted by the source on the electrical properties of silicon solar cells monounsaturated crystal at a constant rate of neutron flow rate of a wide range of neutron flow speed ranges for periods of time ranging from 2-10 hours

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Publication Date

Sat Oct 01 2016

Journal Name

Journal Of Theoretical And Applied Information Technology

Factors affecting global virtual teams’ performance in software projects

Today the trend is to perform software development work via distributed geographical area among team

individual or even as an organization. However

due to the global market and international presence of many companies

there is a need to implement a global virtual teams. The global virtual team members are gradually engaged in globalized business environments across space

time and organizational boundaries via information and communication technologies. A global virtual team relies on communication

collaboration

and information exchange are the most important criteria in global virtual teams’ operations. The purpose of this paper is to answer two research questions. The first research question is to identify the factors affecting global virtual teams’ performance. A systematic literature review was conducted to answer the first research question. The second research question is on what the rank of the factor affecting the global virtual teams’ performance according to their level of effect on global virtual teams’ performance. Online survey was conducted within 103 developers and IT managers from eight IT companies to answer the second research question. The Statistical Package for Social Science (SPSS 22) was used to analyze the collected data. In this study

we investigated factors that affect global virtual teams’ performance

factors considered include cultural differences

language problems

time-zone differences

team size

technical problems

lack of trust

lack of sufficient training

and ICT problems. Also the findings indicated that lack of sufficient training is the highest level of effect on global virtual teams’ performance. On the other hand

Ali Yahya Gheni

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(24)

Publication Date

Sun Dec 01 2019

Journal Name

Academy Of Accounting And Financial Studies Journal

Organizational performance in Iraqi SMEs: Validity and reliability questionnaire

Mohammed

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(14)

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