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2021 8th NAFOSTED Conference on Information and Computer Science (NICS)最新文献

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Design of a High-speed 8-bit Flash ADC using Double-Tail Comparator on 180nm CMOS Process 基于180nm CMOS工艺的双尾比较器高速8位Flash ADC设计
2021 8th NAFOSTED Conference on Information and Computer Science (NICS) Pub Date : 2021-12-21 DOI: 10.1109/NICS54270.2021.9701505
Hong-Hai Thai, C. Pham, Duc Hung Le
{"title":"Design of a High-speed 8-bit Flash ADC using Double-Tail Comparator on 180nm CMOS Process","authors":"Hong-Hai Thai, C. Pham, Duc Hung Le","doi":"10.1109/NICS54270.2021.9701505","DOIUrl":"https://doi.org/10.1109/NICS54270.2021.9701505","url":null,"abstract":"This paper presents a high-speed 8-bit Flash ADC. The design, which is considered as a mixed-signal type, includes two main blocks – comparator and encoder. The comparator block contains a TIQ comparator, a control circuit, and a proposed architecture of a Double-Tail (DT) comparator. The advantage of using the DT comparator is to reduce the half number of comparators which helps reduce the design area. The comparator is implemented with custom analog design meanwhile, the encoder block is designed with digital design flow. This mixed-signal circuit is designed and simulated on 180nm CMOS technology. The 8-bit Flash ADC only employs 128 comparators. The applied input clock for testing is 50 MHz with the input voltage ranging from 0.6V to 1.8V. Comparator block outputs 127 bits of thermometer code and sends them to the encoder, which exports 7 LSB bits of the binary code. The MSB bit is decided by only one DT comparator.","PeriodicalId":296963,"journal":{"name":"2021 8th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116408778","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
Predicting Job Titles from Job Descriptions with Multi-label Text Classification 用多标签文本分类从职位描述中预测职位名称
2021 8th NAFOSTED Conference on Information and Computer Science (NICS) Pub Date : 2021-12-21 DOI: 10.1109/NICS54270.2021.9701541
H. Tran, Hanh Hong-Phuc Vo, Son T. Luu
{"title":"Predicting Job Titles from Job Descriptions with Multi-label Text Classification","authors":"H. Tran, Hanh Hong-Phuc Vo, Son T. Luu","doi":"10.1109/NICS54270.2021.9701541","DOIUrl":"https://doi.org/10.1109/NICS54270.2021.9701541","url":null,"abstract":"Finding a suitable job and hunting for eligible candidates are important to job seeking and human resource agencies. With the vast information about job descriptions, employees and employers need assistance to automatically detect job titles based on job description texts. In this paper, we propose the multi-label classification approach for predicting relevant job titles from job description texts, and implement the Bi-GRULSTM-CNN with different pre-trained language models to apply for the job titles prediction problem. The BERT with multilingual pre-trained model obtains the highest result by Fl-scores on both development and test sets, which are 62.20% on the development set, and 47.44% on the test set.","PeriodicalId":296963,"journal":{"name":"2021 8th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"11 7","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120807328","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: 5
An X-Band Reflectarray Antenna Using Concentric Rings and a Cross 采用同心圆环和十字的x波段反射天线
2021 8th NAFOSTED Conference on Information and Computer Science (NICS) Pub Date : 2021-12-21 DOI: 10.1109/NICS54270.2021.9701523
Tran Nguyen Thi Nhat Le, Hoang Dang Cuong, Nguyen Thi Thanh Tam, M. Le, N. Dinh
{"title":"An X-Band Reflectarray Antenna Using Concentric Rings and a Cross","authors":"Tran Nguyen Thi Nhat Le, Hoang Dang Cuong, Nguyen Thi Thanh Tam, M. Le, N. Dinh","doi":"10.1109/NICS54270.2021.9701523","DOIUrl":"https://doi.org/10.1109/NICS54270.2021.9701523","url":null,"abstract":"In this work, an X-band reflectarray antenna using two concentric rings and a cross is proposed. Three types of unit cells are designed and analyzed to improve the phase sensitivity of the unit cell. A center-feed reflectarray antenna with dimensions of 205.7 mm x 205.7 mm is then designed. It performs an excellent gain of 26 dBi at 10 GHz. It also achieves a good aperture efficiency of 67%, a sidelobe level of -15.6 dB, and a 1-dB bandwidth of 12%.","PeriodicalId":296963,"journal":{"name":"2021 8th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122319498","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: 1
U-Net Semantic Segmentation of Digital Maps Using Google Satellite Images 基于Google卫星图像的数字地图U-Net语义分割
2021 8th NAFOSTED Conference on Information and Computer Science (NICS) Pub Date : 2021-12-21 DOI: 10.1109/NICS54270.2021.9701566
Loi Nguyen-Khanh, Vy Nguyen-Ngoc-Yen, Hung Dinh-Quoc
{"title":"U-Net Semantic Segmentation of Digital Maps Using Google Satellite Images","authors":"Loi Nguyen-Khanh, Vy Nguyen-Ngoc-Yen, Hung Dinh-Quoc","doi":"10.1109/NICS54270.2021.9701566","DOIUrl":"https://doi.org/10.1109/NICS54270.2021.9701566","url":null,"abstract":"Satellite images contain an enormous data warehouse and give us details to the general perspective of what is happening on the earth’s surface. These images are essential for agricultural development research, urban planning, surveying and, especially for evaluating the location design of broadcast stations, the input of coverage simulation and signal quality in telecommunications. The analysis of large amounts of complex satellite imagery is challenging while the evolving semantic segmentation approaches based on convolution neural network (CNN) can assist in analyzing this amount of data. In this paper, we introduce an approach for constructing digital maps with dataset provided by Google. We utilize the efficient U-Net architecture, which is an efficient combination of EfficientNet, namely EfficientNet-B0 as the encoder to extract the geographic features with U-Net as decoder to reconstruct the detailed features map. We evaluate our models using Google satellite images which demonstrate the efficiency in terms of Dice Loss and Categorical Cross-Entropy.","PeriodicalId":296963,"journal":{"name":"2021 8th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131108501","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
Efficiency Enhancement of Evolutionary Neural Architecture Search via Training-Free Initialization 基于无训练初始化的进化神经结构搜索效率提高
2021 8th NAFOSTED Conference on Information and Computer Science (NICS) Pub Date : 2021-12-21 DOI: 10.1109/NICS54270.2021.9701573
Q. Phan, N. H. Luong
{"title":"Efficiency Enhancement of Evolutionary Neural Architecture Search via Training-Free Initialization","authors":"Q. Phan, N. H. Luong","doi":"10.1109/NICS54270.2021.9701573","DOIUrl":"https://doi.org/10.1109/NICS54270.2021.9701573","url":null,"abstract":"In this paper, we adapt a method to enhance the efficiency of multi-objective evolutionary algorithms (MOEAs) when solving neural architecture search (NAS) problems by improving the initialization stage with minimal costs. Instead of sampling a small number of architectures from the search space, we sample a large number of architectures and estimate the performance of each one without invoking the computationally expensive training process but by using a zero-cost proxy. After ranking the architectures via their zero-cost proxy values and efficiency metrics, the best architectures are then chosen as the individuals of the initial population. To demonstrate the effectiveness of our method, we conduct experiments on the widely-used NAS-Bench-101 and NAS-Bench-201 benchmarks. Experimental results exhibit that the proposed method achieves not only considerable enhancements on the quality of initial populations but also on the overall performance of MOEAs in solving NAS problems. The source code of the paper is available at https://github.com/ELO-Lab/ENAS-TFI.","PeriodicalId":296963,"journal":{"name":"2021 8th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132670937","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: 3
Function exclusion in automated security patch testing using chopped symbolic execution 使用切碎符号执行的自动安全补丁测试中的函数排除
2021 8th NAFOSTED Conference on Information and Computer Science (NICS) Pub Date : 2021-12-21 DOI: 10.1109/NICS54270.2021.9701542
Phan Ninh Thai, H. N. Viet, Nathan Shone, M. Babenko
{"title":"Function exclusion in automated security patch testing using chopped symbolic execution","authors":"Phan Ninh Thai, H. N. Viet, Nathan Shone, M. Babenko","doi":"10.1109/NICS54270.2021.9701542","DOIUrl":"https://doi.org/10.1109/NICS54270.2021.9701542","url":null,"abstract":"Patch testing is a core component of patch management and is used to verify that modified software modules (i.e. an update or patch) work as expected (functional testing) and do not contain any known vulnerabilities (security testing). Security patch testing requires a lot of time and a professional security knowledge from the tester. In recent years, chopped symbolic execution has been successfully applied in automatic or semiautomatic program testing, to reduce the amount of testing work. Chopped symbolic execution (Chopper) allows users to specify “uninteresting” functions to ignore during analysis, therefore allowing the testing of software modules without running all functions of the program. It is an effective solution for path explosion (one of the main problems of symbolic execution). The effectiveness of the chopped symbolic execution method in patch testing depends on how well the ignored functions are initially chosen. In this paper, we propose a novel method to automatically exclude functions for chopped symbolic execution in patch testing, using a control flow graph. Moreover, we use cyclomatic complexity to optimize the speed of the testing process. Experimental results show that our method can automatically choose the ignored functions and reduce the required testing time, in comparison to typical Chopper techniques.","PeriodicalId":296963,"journal":{"name":"2021 8th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"117 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132824510","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
Design and Implementation of a V2X-Tag for IoT-Based Smart On-Street Parking System 基于物联网的智能街道停车系统v2x标签的设计与实现
2021 8th NAFOSTED Conference on Information and Computer Science (NICS) Pub Date : 2021-12-21 DOI: 10.1109/NICS54270.2021.9700992
Vinh Tran-Quang, Duc Nguyen-Dinh
{"title":"Design and Implementation of a V2X-Tag for IoT-Based Smart On-Street Parking System","authors":"Vinh Tran-Quang, Duc Nguyen-Dinh","doi":"10.1109/NICS54270.2021.9700992","DOIUrl":"https://doi.org/10.1109/NICS54270.2021.9700992","url":null,"abstract":"In this paper, we propose to design and develop a device called V2X-Tag with compact dimensions suitable for mounting on vehicles such as cars, allowing these cars to communicate with each other through a mobile cellular network. We also develop firmware for the V2X-Tag and propose a communication protocol between the V2X-Tag and Server. We also built prototypes of the V2X-Tag and tested these devices in a smart street parking management system. The test results show that, with low power consumption, the V2X-Tag proposed in this paper is suitable for use in IoT systems such as street parking management systems.","PeriodicalId":296963,"journal":{"name":"2021 8th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134146721","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
Advanced Terahertz Devices and Systems Toward 6G and Beyond 面向6G及以上的先进太赫兹设备和系统
2021 8th NAFOSTED Conference on Information and Computer Science (NICS) Pub Date : 2021-12-21 DOI: 10.1109/NICS54270.2021.9701451
Masayuki Fujita
{"title":"Advanced Terahertz Devices and Systems Toward 6G and Beyond","authors":"Masayuki Fujita","doi":"10.1109/NICS54270.2021.9701451","DOIUrl":"https://doi.org/10.1109/NICS54270.2021.9701451","url":null,"abstract":"Recent progress in terahertz devices and systems based on terahertz silicon photonics with resonant tunneling diodes for next-generation information communication technology, 6G and beyond, is reviewed.","PeriodicalId":296963,"journal":{"name":"2021 8th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133813574","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
A Lightweight Model for Remote Sensing Image Retrieval with Knowledge Distillation and Mining Interclass Characteristics 基于知识蒸馏和类间特征挖掘的遥感图像检索轻量级模型
2021 8th NAFOSTED Conference on Information and Computer Science (NICS) Pub Date : 2021-12-21 DOI: 10.1109/NICS54270.2021.9701545
Khanh-An C. Quan, Vinh-Tiep Nguyen, M. Tran
{"title":"A Lightweight Model for Remote Sensing Image Retrieval with Knowledge Distillation and Mining Interclass Characteristics","authors":"Khanh-An C. Quan, Vinh-Tiep Nguyen, M. Tran","doi":"10.1109/NICS54270.2021.9701545","DOIUrl":"https://doi.org/10.1109/NICS54270.2021.9701545","url":null,"abstract":"There are more and more practical applications of remote sensing image retrieval in a wide variety of areas, such as land-cover analysis, ecosystem monitoring, or agriculture. It is essential to have a solution for this problem with both high accuracy and efficiency, e.g. small-sized models and low computational cost. This motivates us to propose a lightweight model for remote sensing image retrieval. We first employ interclass characteristic mining to train a cumbersome and robust model, aiming to boost the quality of retrieval results. Then, from the complex model, we apply the knowledge distillation to reduce significantly the neural network’s size. Our experiments conducted on the UC Merced Land Use dataset demonstrate the advantage of our method. Our lightweight model achieves the mAP of 0.9680 with only 3.8M parameters. This model has a higher mAP and lower number of parameters than EDML method, proposed by Cao et. al.","PeriodicalId":296963,"journal":{"name":"2021 8th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114116529","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
IoMT Security: SHA3-512, AES-256, RSA and LSB Steganography IoMT安全:SHA3-512, AES-256, RSA和LSB隐写术
2021 8th NAFOSTED Conference on Information and Computer Science (NICS) Pub Date : 2021-12-21 DOI: 10.1109/NICS54270.2021.9701567
Wassim Alexan, Ahmed Ashraf, Eyad Mamdouh, Sarah Mohamed, Mohamed Moustafa
{"title":"IoMT Security: SHA3-512, AES-256, RSA and LSB Steganography","authors":"Wassim Alexan, Ahmed Ashraf, Eyad Mamdouh, Sarah Mohamed, Mohamed Moustafa","doi":"10.1109/NICS54270.2021.9701567","DOIUrl":"https://doi.org/10.1109/NICS54270.2021.9701567","url":null,"abstract":"The Internet of Medical Things (IoMT) has been witnessing huge leaps in its development due to the advancements of neighboring technologies. Those include 5G, big data and cloud storage. While IoMT provides a rich environment for the ultra-fast share and transfer of pathological analyses and disease diagnoses, it also presents networking and security engineers with unprecedented challenges. The need to protect the transmission of the sensitive information in relation to patients’ identities and diagnoses has always been a priority. This security problem is only exaggerated by the sheer volume of medical data to be transferred through a network in real time. This paper proposes an information security scheme for IoMT that utilizes AES-256, RSA, SHA3-512 and LSB embedding in medical scans or images. The proposed scheme not only guarantees the secure transmission of medical data through a network, but it also satisfies the conditions of user authentication and confidentiality. The numerical results showcase the superiority of the proposed scheme.","PeriodicalId":296963,"journal":{"name":"2021 8th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123899191","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: 5
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