Pub Date : 2023-03-27DOI: 10.59277/romjist.2023.2.01
Kamil Yurtkan, Ahmet Adalıer, Umut Tekgüç
Machine learning algorithms have been used in the last decade to predict human behavior. In education, the student's behavior, and accordingly, their success prediction is also applicable in parallel with the developments in machine learning algorithms an
{"title":"Student Success Prediction Using Feedforward Neural Networks","authors":"Kamil Yurtkan, Ahmet Adalıer, Umut Tekgüç","doi":"10.59277/romjist.2023.2.01","DOIUrl":"https://doi.org/10.59277/romjist.2023.2.01","url":null,"abstract":"Machine learning algorithms have been used in the last decade to predict human behavior. In education, the student's behavior, and accordingly, their success prediction is also applicable in parallel with the developments in machine learning algorithms an","PeriodicalId":54448,"journal":{"name":"Romanian Journal of Information Science and Technology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48120710","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-27DOI: 10.59277/romjist.2023.2.03
Nenad Badovinac, Dejan B. Simic
The digitization trend is developing throughout the crisis caused by the COVID-19 pandemic. The volume of digital payments is increasing. The most common way of checking the authentication in electronic payment systems is the PIN number that users type in
{"title":"Biometric Authentication Model Based on Transformation of Face Image Into a PIN Number Usable During the Covid-19 Pandemic","authors":"Nenad Badovinac, Dejan B. Simic","doi":"10.59277/romjist.2023.2.03","DOIUrl":"https://doi.org/10.59277/romjist.2023.2.03","url":null,"abstract":"The digitization trend is developing throughout the crisis caused by the COVID-19 pandemic. The volume of digital payments is increasing. The most common way of checking the authentication in electronic payment systems is the PIN number that users type in","PeriodicalId":54448,"journal":{"name":"Romanian Journal of Information Science and Technology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46810900","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-27DOI: 10.59277/romjist.2023.2.10
Nour Beydoun, M. Lazar, Xavier Gassmann
This paper reports research on deep etching of silicon carbide (SiC) to achieve isolated deep trenches in the same thick SiC substrates. This paper combines both plasma etching and electrochemical etching on p-type SiC above n-type SiC layers. Uniform and
{"title":"SiC Plasma and Electrochemical Etching for Integrated Technology Processes","authors":"Nour Beydoun, M. Lazar, Xavier Gassmann","doi":"10.59277/romjist.2023.2.10","DOIUrl":"https://doi.org/10.59277/romjist.2023.2.10","url":null,"abstract":"This paper reports research on deep etching of silicon carbide (SiC) to achieve isolated deep trenches in the same thick SiC substrates. This paper combines both plasma etching and electrochemical etching on p-type SiC above n-type SiC layers. Uniform and","PeriodicalId":54448,"journal":{"name":"Romanian Journal of Information Science and Technology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47827774","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-27DOI: 10.59277/romjist.2023.2.02
Mohammad Mortazavi, O. Ebadati, Dang Thanh
Detecting images with adult content is one of the necessary and challenging problems in the fields of machine learning and machine vision. It can be used for a variety of applications such as content filtering and censoring, and user tracking, and banning
{"title":"Detecting Images with Adult Content Using SURF and Haar Wavelet","authors":"Mohammad Mortazavi, O. Ebadati, Dang Thanh","doi":"10.59277/romjist.2023.2.02","DOIUrl":"https://doi.org/10.59277/romjist.2023.2.02","url":null,"abstract":"Detecting images with adult content is one of the necessary and challenging problems in the fields of machine learning and machine vision. It can be used for a variety of applications such as content filtering and censoring, and user tracking, and banning","PeriodicalId":54448,"journal":{"name":"Romanian Journal of Information Science and Technology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46435921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-27DOI: 10.59277/romjist.2023.2.05
R. Pascu, G. Pristavu, Dan Oneaţă
An elaborate characterization of Si Schottky diodes, fabricated with Ti and Mo contacts, is presented. Thermal treatment in forming gas is performed in order to improve the electrical performance of the fabricated samples. X-ray diffraction measurements s
{"title":"Enhanced Method of Schottky Barrier Diodes Performance Assessment","authors":"R. Pascu, G. Pristavu, Dan Oneaţă","doi":"10.59277/romjist.2023.2.05","DOIUrl":"https://doi.org/10.59277/romjist.2023.2.05","url":null,"abstract":"An elaborate characterization of Si Schottky diodes, fabricated with Ti and Mo contacts, is presented. Thermal treatment in forming gas is performed in order to improve the electrical performance of the fabricated samples. X-ray diffraction measurements s","PeriodicalId":54448,"journal":{"name":"Romanian Journal of Information Science and Technology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43023208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-27DOI: 10.59277/romjist.2023.2.09
E. Chiriac, B. Adiaconiţă, P. Preda
Monitoring and controlling infection is required in order to prevent the progression of the coronavirus severe acute respiratory syndrome 2(SARS-CoV-2). To accomplish this goal, the development and implementation of sensitive, quick and accurate diagnosti
{"title":"Ultrasensitive Electrochemical Sensor Based on Vertical Graphene for SARS-CoV-2 Protein N Detection","authors":"E. Chiriac, B. Adiaconiţă, P. Preda","doi":"10.59277/romjist.2023.2.09","DOIUrl":"https://doi.org/10.59277/romjist.2023.2.09","url":null,"abstract":"Monitoring and controlling infection is required in order to prevent the progression of the coronavirus severe acute respiratory syndrome 2(SARS-CoV-2). To accomplish this goal, the development and implementation of sensitive, quick and accurate diagnosti","PeriodicalId":54448,"journal":{"name":"Romanian Journal of Information Science and Technology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42990082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-27DOI: 10.59277/romjist.2023.2.08
D. Vasilache, Aleaxandra Nicoloiu, G. Boldeiu
The paper presents the design, manufacturing and characterization of 0-level packaged dual SAW pressure and temperature sensors developed on GaN/Si/Mo thin membranes. Molybdenum film was deposited on the backside of membrane, to support a higher pressure.
{"title":"Development of 0-level Packaged Dual SAW Pressure and Temperature Sensors on GaN Thin Membranes","authors":"D. Vasilache, Aleaxandra Nicoloiu, G. Boldeiu","doi":"10.59277/romjist.2023.2.08","DOIUrl":"https://doi.org/10.59277/romjist.2023.2.08","url":null,"abstract":"The paper presents the design, manufacturing and characterization of 0-level packaged dual SAW pressure and temperature sensors developed on GaN/Si/Mo thin membranes. Molybdenum film was deposited on the backside of membrane, to support a higher pressure.","PeriodicalId":54448,"journal":{"name":"Romanian Journal of Information Science and Technology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44574388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-27DOI: 10.59277/romjist.2023.2.07
C. Romanițan, I. Mihalache, S. Vulpe
Spray pyrolysis technique (SPT) and radio-frequency magnetron sputtering (RF-MS) were used to obtain vanadium oxide (VxOy) layers. The surface morphology was visualized using scanning electron microscopy (SEM) and atomic force microscopy (AFM). Further, t
{"title":"Relationship Between Structural and Optical Properties in Vanadium Pentoxide","authors":"C. Romanițan, I. Mihalache, S. Vulpe","doi":"10.59277/romjist.2023.2.07","DOIUrl":"https://doi.org/10.59277/romjist.2023.2.07","url":null,"abstract":"Spray pyrolysis technique (SPT) and radio-frequency magnetron sputtering (RF-MS) were used to obtain vanadium oxide (VxOy) layers. The surface morphology was visualized using scanning electron microscopy (SEM) and atomic force microscopy (AFM). Further, t","PeriodicalId":54448,"journal":{"name":"Romanian Journal of Information Science and Technology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43815191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-27DOI: 10.59277/romjist.2023.2.06
Ali AMMAR, Mihai LAZAR, Bertrand VERGNE
For medium voltage, the SiC BJT is a convenient solution to reduce the on-losses and it could have the advantage to be optical controlled, to ease the serial connection of BJT. The design of a 10 kV, 10 A SiC BJT is described. The different fabrication st
{"title":"Design, Fabrication and Characterization of 10 kV 4H-SiC BJT for the Phototransistor Target","authors":"Ali AMMAR, Mihai LAZAR, Bertrand VERGNE","doi":"10.59277/romjist.2023.2.06","DOIUrl":"https://doi.org/10.59277/romjist.2023.2.06","url":null,"abstract":"For medium voltage, the SiC BJT is a convenient solution to reduce the on-losses and it could have the advantage to be optical controlled, to ease the serial connection of BJT. The design of a 10 kV, 10 A SiC BJT is described. The different fabrication st","PeriodicalId":54448,"journal":{"name":"Romanian Journal of Information Science and Technology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135891569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-03-27DOI: 10.59277/romjist.2023.2.04
R. Onet, M. Neag, A. Fazakas
This paper presents a blended approach to organizing laboratories for undergraduate Bachelor-level courses on electronics circuits and systems. The main idea is to combine on-campus laboratory sessions with at-home experiments performed individually by e
{"title":"A Blended On-Campus and At-Home Approach to Laboratories on Electronic Circuits","authors":"R. Onet, M. Neag, A. Fazakas","doi":"10.59277/romjist.2023.2.04","DOIUrl":"https://doi.org/10.59277/romjist.2023.2.04","url":null,"abstract":"This paper presents a blended approach to organizing laboratories for undergraduate Bachelor-level courses on electronics circuits and systems. The main idea is to combine on-campus laboratory sessions with at-home experiments performed individually by e","PeriodicalId":54448,"journal":{"name":"Romanian Journal of Information Science and Technology","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48361136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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