American Journal of Computer Engineering


CT Image Reconstruction Method Based on Filtered Back Projection Algorithm

Research article of American Journal of Computer Engineering CT Image Reconstruction Method Based on Filtered Back Projection Algorithm Botao Liu1*, Boying Lv1, Yishuai Tian1,Yuting Wang1 1College of Hydraulic & Environmental Engineering, China Three Gorges University, Yichang 443002, China. This paper used the relevant knowledge of electronic computer tomography image reconstruction to solve the problem of CT system parameter calibration and imaging algorithm. Through geometric analysis, a target optimization model was established. The parallel beam filtering back-projection algorithm was used to solve the problem based on the information received by the detector unit. The image reconstruction model was used to obtain the position information of the medium. Finally, image stability was verified by noise processing. Keywords: Filtered Back Projection; Wavelet principle CT; System parameters ...

CREATING A TEST SYSTEM TO TEST KNOWLEDGE OF STUDENTS ON THE SUBJECT OF INFORMATICS

Research article of American Journal of Computer Engineering CREATING A TEST SYSTEM TO TEST KNOWLEDGE OF STUDENTS ON THE SUBJECT OF INFORMATICS PhD, Assos.Prof. Rahimova Nazila Candidate of Technical Sciences, Assos. professor of Azerbaijan State University of Oil and Industry, Baku The subject article is dedicated to the creation of test system for examination of students in a subject of computer science. The software testing users as well as the software on automation of creation of tests and the analysis of the tests handed over by the users are developed. Keywords: test systems, test control, computer training system, object model ...

A Cloud-Linked Ambient Air Quality Monitoring Apparatus for Gaseous Pollutants

Research article of American Journal of Computer Engineering A Cloud-Linked Ambient Air Quality Monitoring Apparatus for Gaseous Pollutants Eunalili Maye L. Culpa1, Jes Ian C. Mendoza1, Jasper Gabriel M. Ramirez1, Aldrine Lennart M. Yap1, Engr. Philip Virgil B. Astillo2, and Engr. Elline L. Fabian2 1Undergraduate Student, Department of Computer Engineering, University of San Carlos, Talamban, Cebu City, Philippines; 2Faculty Member, Department of Computer Engineering, University of San Carlos, Talamban, Cebu City, Philippines Vehicles on the road are increasing in number and traffic conditions are getting worse exposing one to a plethora of diseases by going out on the traffic. People do not know the actual measure of the quality of the air they breathe outside on a regular basis, but it is of utmost importance to know of such in order to take precautionary measures. This study sought to make the quality of air known to the general public. Consequently, a microcontroller-centered device which could measure CO, NOx, and C6H6 concentrations in ambient air was developed along with a web application to display and visualize the data. The device uses a fan to sample air into an aluminum pipe containing metal oxide semiconductor gas sensors which detect and measure the gas concentrations in terms of mg/m3. An aluminum steel mesh is installed on the device’s inlet to filter out dust particles and is regularly cleaned by a vibration motor. The web application tabulates and plots data near-real-time whilst presenting the air quality index and a short-term exposure limit warning. Multiple devices can be deployed through registering in the web application. Two three-hour sampling data were gathered at dawn and in the morning along the University of San Carlos – Talamban Campus’ Portal which showed how the pollutant concentrations were low at dawn and which slowly grew higher during the transition ...

A Dynamic Resource Mapping Load Balancing Technique in Cloud Computing

Research article of American Journal of Computer Engineering A Dynamic Resource Mapping Load Balancing Technique in Cloud Computing Jaimeel Shah1, Dr. Chirag Patel2 1Research Scholar, Parul University,India; 2Associate Professor, Parul University; Tremendous advantages of virtualization and cloud computing innovations have invigorated the Information and Communication Technology sector towards embracing cloud computing. Different ICT-empowered service providers additionally have either embraced cloud computing or began moving administrations to cloud framework. Be that as it may, the expanding interest for cloud based foundation has come about into extreme issue of managing the resources and load balancing for cloud specialist providers and customers. Specialists have recommended various different load balancing techniques for effective resource usage in cloud. An epic load balancing strategy speaking to migration of workload from over-loaded VM to daintily stacked VM in cloud computing condition is introduced in this paper. An endeavor is made to help the cloud partners to overcome the imbalanced resource usage issue is displayed in this paper. Keywords: Cloud computing, Load balancing , task scheduling, task migration ...

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American Journal of Computer Engineering

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