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2022 30th Telecommunications Forum (TELFOR)最新文献

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The Effects of Pulse Length Shortening on Average Substrate Current Density in High Power Impulse Magnetron Discharges 脉冲长度缩短对高功率脉冲磁控管放电中衬底平均电流密度的影响
2022 30th Telecommunications Forum (TELFOR) Pub Date : 2022-11-15 DOI: 10.1109/TELFOR56187.2022.9983747
V. Kozhevnikov, V. Oskirko, A. Solovyev, S. Rabotkin, V. Semenov, A. Pavlov
{"title":"The Effects of Pulse Length Shortening on Average Substrate Current Density in High Power Impulse Magnetron Discharges","authors":"V. Kozhevnikov, V. Oskirko, A. Solovyev, S. Rabotkin, V. Semenov, A. Pavlov","doi":"10.1109/TELFOR56187.2022.9983747","DOIUrl":"https://doi.org/10.1109/TELFOR56187.2022.9983747","url":null,"abstract":"The paper is presenting results of experimental and theoretical studies of short and ultrashort regimes of high-power impulse magnetron sputtering. In experimental part it was demonstrated that the decreasing of the discharge voltage duration leads to a significant increase of the average ion current density to the substrate for the fixed mean discharge power. The use of a spatially averaged magnetron discharge model confirms this experimental trend and provides a theoretical explanation for it.","PeriodicalId":277553,"journal":{"name":"2022 30th Telecommunications Forum (TELFOR)","volume":"112 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116017590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The First and Second Translation Theorem for Laplace Transform on Time Scale 时间尺度上拉普拉斯变换的第一和第二平移定理
2022 30th Telecommunications Forum (TELFOR) Pub Date : 2022-11-15 DOI: 10.1109/TELFOR56187.2022.9983692
Tatjana Mirković, N. Ćirović
{"title":"The First and Second Translation Theorem for Laplace Transform on Time Scale","authors":"Tatjana Mirković, N. Ćirović","doi":"10.1109/TELFOR56187.2022.9983692","DOIUrl":"https://doi.org/10.1109/TELFOR56187.2022.9983692","url":null,"abstract":"In our paper we formulate and prove the first and second translation theorem for time scale Laplace transform, for several elementary functions. We use the definition of Laplace transform on arbitrary time scales as introduced by M. Bohner and A. Peterson. For time scale taken to be the set of real numbers, the classical definition of Laplace transform is obtained. However, taking the set of integers for time scale, the modification of translation theorems for $mathcal{Z}$-transform is obtained. This approach applies to all time scales and represents unification and extension of classical Laplace and $mathcal{Z}$-transform, for specified functions.","PeriodicalId":277553,"journal":{"name":"2022 30th Telecommunications Forum (TELFOR)","volume":"206 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116425972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Statistical Filtering Evaluation for Improved 3D Point Cloud Image Structure 改进三维点云图像结构的统计滤波评价
2022 30th Telecommunications Forum (TELFOR) Pub Date : 2022-11-15 DOI: 10.1109/TELFOR56187.2022.9983778
Nebojša Čvorović, A. Gavrovska
{"title":"Statistical Filtering Evaluation for Improved 3D Point Cloud Image Structure","authors":"Nebojša Čvorović, A. Gavrovska","doi":"10.1109/TELFOR56187.2022.9983778","DOIUrl":"https://doi.org/10.1109/TELFOR56187.2022.9983778","url":null,"abstract":"In this paper the concept of statistical filtering is implemented for point cloud image analysis and 3D usergenerated data. The entire implementation is carried out using free software and the programming language C++ on self-generated examples of works of art from Ervin Wurm’s exhibition “One minute forever” held in Belgrade in 2022. The evaluation results point out the importance of statistical filtering and the improvement of quality that it brings, both from the objective and visual aspect, as well as from the aspect of the point cloud image structure itself.","PeriodicalId":277553,"journal":{"name":"2022 30th Telecommunications Forum (TELFOR)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114566983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparisons of firmware delta updates over the air using WLAN and LPWAN technologies 使用WLAN和LPWAN技术的无线固件增量更新的比较
2022 30th Telecommunications Forum (TELFOR) Pub Date : 2022-11-15 DOI: 10.1109/TELFOR56187.2022.9983677
Vladimir Nikić, Dušan Bortnik, Milan Lukić, Dragan Danilovic, I. Mezei
{"title":"Comparisons of firmware delta updates over the air using WLAN and LPWAN technologies","authors":"Vladimir Nikić, Dušan Bortnik, Milan Lukić, Dragan Danilovic, I. Mezei","doi":"10.1109/TELFOR56187.2022.9983677","DOIUrl":"https://doi.org/10.1109/TELFOR56187.2022.9983677","url":null,"abstract":"The number of Internet of Things edge devices has underwent an exponential growth over the course of recent years. Under such circumstances, maintenance of the deployed equipment has become increasingly important, especially when it comes to the possibility of remotely altering the edge device behavior through firmware updates. In order to preserve energy, LPWAN technologies represent a communication medium with intentionally low data rates, which is fine for transmitting relatively small amounts of data in long periods of time, but that can also represent a bottleneck to the transfer of relatively large firmware images. In this paper we present an extension of our previous work, showing an efficient implementation of the differential (delta) firmware updates, and analyzing its performance in use cases with wireless communication technologies belonging to WLAN and LPWAN classes.","PeriodicalId":277553,"journal":{"name":"2022 30th Telecommunications Forum (TELFOR)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128367213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Study of Rule-based Flame Pixel Classifiers in Still Images 静止图像中基于规则的火焰像素分类器研究
2022 30th Telecommunications Forum (TELFOR) Pub Date : 2022-11-15 DOI: 10.1109/TELFOR56187.2022.9983767
Amila Akagic, E. Buza
{"title":"A Study of Rule-based Flame Pixel Classifiers in Still Images","authors":"Amila Akagic, E. Buza","doi":"10.1109/TELFOR56187.2022.9983767","DOIUrl":"https://doi.org/10.1109/TELFOR56187.2022.9983767","url":null,"abstract":"Southern Europe is an exceptionally fire-prone region. Effective prevention, early warning, and early response are important actions that are needed to reduce disastrous consequences on people and structures. Flame pixel classification is the first and often critically important stage of fire detection systems based on computer vision. In this paper, a number of rule-based flame pixel classifiers in still images are studied based on the BoWFire fire dataset. The performances of the considered rule-based flame pixel classifiers are reported in terms of F1 score, Matthews correlation coefficient, and Balanced accuracy. The experimental results demonstrate the effectiveness of simple rule-based flame pixel classifiers for flame detection in still images.","PeriodicalId":277553,"journal":{"name":"2022 30th Telecommunications Forum (TELFOR)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129430374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Time-frequency Representation Optimization using InfoGAN Latent Codes 使用InfoGAN潜在代码的时频表示优化
2022 30th Telecommunications Forum (TELFOR) Pub Date : 2022-11-15 DOI: 10.1109/TELFOR56187.2022.9983718
Zhenpeng Feng, M. Daković, Mingzhe Zhu, L. Stanković
{"title":"Time-frequency Representation Optimization using InfoGAN Latent Codes","authors":"Zhenpeng Feng, M. Daković, Mingzhe Zhu, L. Stanković","doi":"10.1109/TELFOR56187.2022.9983718","DOIUrl":"https://doi.org/10.1109/TELFOR56187.2022.9983718","url":null,"abstract":"Time-frequency analysis can provide an understanding how the spectral properties of a signal vary with time from a physical and mathematical point of view, thus it has drawn increasing attention to acoustic, sonar, radar signals, etc. However, for multiple component signals, or nonlinear modulated signals it is always a trade-off between the energy concentration and cross terms. Despite numerous time-frequency analysis techniques to alleviate this contradiction, they still require careful manipulation of their parameters in calculating optimal time-frequency representation. In this paper, we utilize a novel generative model with latent codes, information maximization generative adversarial network (InfoGAN), to learn the relation between concentration and cross terms in an unsupervised manner. It is the first attempt to apply InfoGAN in synthesizing optimal time-frequency representation and the experimental results demonstrate the feasibility to obtain the optimal time-frequency representation by adjusting latent codes in InfoGAN.","PeriodicalId":277553,"journal":{"name":"2022 30th Telecommunications Forum (TELFOR)","volume":"182 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126694486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Secure smart meter data access with a distributed data storage based on Ethereum 使用基于以太坊的分布式数据存储安全智能电表数据访问
2022 30th Telecommunications Forum (TELFOR) Pub Date : 2022-11-15 DOI: 10.1109/TELFOR56187.2022.9983719
N. Suljanovic, Amila Dervišević, Igor Podbelšek, M. Rošer, L. Maruša, K. Kozelj, Blaž Okorn, M. Zajc
{"title":"Secure smart meter data access with a distributed data storage based on Ethereum","authors":"N. Suljanovic, Amila Dervišević, Igor Podbelšek, M. Rošer, L. Maruša, K. Kozelj, Blaž Okorn, M. Zajc","doi":"10.1109/TELFOR56187.2022.9983719","DOIUrl":"https://doi.org/10.1109/TELFOR56187.2022.9983719","url":null,"abstract":"This paper describes the pilot implementation of blockchain technology (Ethereum) for smart grid data management in the IT environment of electrical distribution company Elektro Celje. The work focuses on the decentralised notation of smart meter data to enable secure access and prevent data misuse. The procedure for setting up the pilot project and the operational functions as well as the results of the performance tests are presented and discussed.","PeriodicalId":277553,"journal":{"name":"2022 30th Telecommunications Forum (TELFOR)","volume":"135 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121957722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessing the average global EMF exposure using mobile network data and measurements 利用移动网络数据和测量评估全球平均EMF暴露
2022 30th Telecommunications Forum (TELFOR) Pub Date : 2022-11-15 DOI: 10.1109/TELFOR56187.2022.9983673
Milica V. Popović Saković, M. Koprivica, J. Milinković, A. Neskovic
{"title":"Assessing the average global EMF exposure using mobile network data and measurements","authors":"Milica V. Popović Saković, M. Koprivica, J. Milinković, A. Neskovic","doi":"10.1109/TELFOR56187.2022.9983673","DOIUrl":"https://doi.org/10.1109/TELFOR56187.2022.9983673","url":null,"abstract":"This paper describes a novel method for assessing average EMF exposure of population in an area using operational mobile network data and measurements, as well as on-site measurements and data from public sources. The aim was to explore network capabilities for future self-assessment and self-optimization concerning generated EMF exposure.","PeriodicalId":277553,"journal":{"name":"2022 30th Telecommunications Forum (TELFOR)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132483019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mobile Crowd-Sensing sistemi za prikupljanje podataka iz okruženja i lokalizaciju
2022 30th Telecommunications Forum (TELFOR) Pub Date : 2022-11-15 DOI: 10.1109/TELFOR56187.2022.9983769
Kristina M. Josifović, Mladen Koprivica, Goran B. Marković
{"title":"Mobile Crowd-Sensing sistemi za prikupljanje podataka iz okruženja i lokalizaciju","authors":"Kristina M. Josifović, Mladen Koprivica, Goran B. Marković","doi":"10.1109/TELFOR56187.2022.9983769","DOIUrl":"https://doi.org/10.1109/TELFOR56187.2022.9983769","url":null,"abstract":"Napredak tehnologije izrade senzora i pametnih uređaja sa ugrađenim senzorima, omogućili su razvoj koncepta bežičnih senzorskih mreža, kao i interneta stvari, čiju posebnu formu predstavljaju Mobile Crowd-Sensing (MCS) sistemi. Realna primena ovih sistema kroz prikupljanje velike količine mernih podataka za potrebe donošenje odluka i automatizaciju procesa uz uštedu novca i resursa omogućava poboljšanje kvaliteta života ljudi, lakše i ekonomski isplativije nadgledanje, nadzor i kontrolu pojava u okruženju. Ovaj pregledni rad daje opis MCS koncepta, uz poseban osvrt na tehnike lokalizacije, i uporednu analizu MCS u odnosu na klasične WSN sisteme.","PeriodicalId":277553,"journal":{"name":"2022 30th Telecommunications Forum (TELFOR)","volume":"2013 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128860335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Deep learning models for atrial fibrillation detection: A review 房颤检测的深度学习模型综述
2022 30th Telecommunications Forum (TELFOR) Pub Date : 2022-11-15 DOI: 10.1109/TELFOR56187.2022.9983698
A. Tihak, S. Konjicija, D. Boskovic
{"title":"Deep learning models for atrial fibrillation detection: A review","authors":"A. Tihak, S. Konjicija, D. Boskovic","doi":"10.1109/TELFOR56187.2022.9983698","DOIUrl":"https://doi.org/10.1109/TELFOR56187.2022.9983698","url":null,"abstract":"Detection of atrial fibrillation (AF) presents one of the main tasks of modern cardiology. In the last few years, the deep learning (DL) emerges as the most frequent approach for accomplishing the task. When deciding to apply DL model for AF detection researchers are facing different choices bringing specific advantages but also imposing specific restrictions. The expansion of publishing, and advancements in this field, demand frequent review of the state of the art. The initial set of 370 papers filtered by keywords of interest, were systematically narrowed to 32 papers in focus. The objective of the paper is to present a comprehensive overview of commonly used ECG databases, signal preprocessing techniques, inputs formatting, DL models used, choice of output classes, and performance metrics achieved.","PeriodicalId":277553,"journal":{"name":"2022 30th Telecommunications Forum (TELFOR)","volume":"144 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128894816","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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