Thien van Luong, Y. Ko, Vu-Duc Ngo, Minh-Tuan Le, Huyen Thi Le Thanh, X. Tran
{"title":"Enhanced Spread Spectrum OFDM-IM with Rotated Zadoff-Chu Sequences","authors":"Thien van Luong, Y. Ko, Vu-Duc Ngo, Minh-Tuan Le, Huyen Thi Le Thanh, X. Tran","doi":"10.1109/NICS.2018.8606849","DOIUrl":"https://doi.org/10.1109/NICS.2018.8606849","url":null,"abstract":"This paper proposes an enhanced scheme of spread spectrum-orthogonal frequency division multiplexing with index modulation (ESS-OFDM-IM), which employs the rotated Zadoff-Chu (ZC) sequences to improve the reliability of SS-OFDM-IM. Particularly, unlike the conventional SS-OFDM-IM which exploits traditional ZC codes only, we design novel rotated ZC sequences for the ESS-OFDM-IM, aiming at maximizing the diversity gain of the system. We then propose a new low-complexity maximum likelihood (ML) detector that can achieve optimal performance at a reduced complexity compared to the ML detector. Moreover, the performance analysis is carried out to clearly show that our proposed scheme can provide the maximum diversity order of being the number of sub-carriers, which is twice larger than that of SS-OFDM-IM. Simulation results are presented to validate the superiority of our proposed scheme over not only the SS-OFDM-IM but also various existing IM schemes.","PeriodicalId":137666,"journal":{"name":"2018 5th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115421085","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}
{"title":"Text Generation from Abstract Semantic Representation for Summarizing Vietnamese Paragraphs Having Co-references","authors":"T. Tran, Dang Tuan Nguyen","doi":"10.1109/NICS.2018.8606868","DOIUrl":"https://doi.org/10.1109/NICS.2018.8606868","url":null,"abstract":"Generating new short text from an abstract semantic representation (ASR) of the input text is a further step in “abstractive” summarization direction. The summary will have high quality in the sense that having the expression structures are similar to human communication in the applied language. Two essential questions should be answered when following this idea: The mechanism for constructing appropriate ASR for source text? The mechanism for generating the summary? This article presents a method to solve these two questions when summarizing short Vietnamese texts with coreferences. Our approach consists of three main phases. The first phase is to build a graph which resolves all co-references and represents the input content. The second phase is to transform the graph into an output ASR. The final stage is to generate new Vietnamese sentences from ASR and complete the summary. The evaluation of summarization is performed automatically with Rouge indices and human assessment. Comparing to two-word graph-based summarization methods, the method in this study generates text relevant to the native speaker and contains rich information.","PeriodicalId":137666,"journal":{"name":"2018 5th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128875623","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}
Hoang-Quan Bong, Q. Truong, Huu-Cuong Nguyen, M. Nguyen
{"title":"Vision-based Inspection System for Leather Surface Defect Detection and Classification","authors":"Hoang-Quan Bong, Q. Truong, Huu-Cuong Nguyen, M. Nguyen","doi":"10.1109/NICS.2018.8606836","DOIUrl":"https://doi.org/10.1109/NICS.2018.8606836","url":null,"abstract":"In this paper, we introduce an automated vision-based system which consists of an image grabbing mechanism and an inspection method for detecting and classifying defects on the surface of leather fabric. The proposed inspection method treats errors like scars, scratches and pinholes. In the defect detection process, several image processing algorithms are employed to extract image features and locate defect’s positions on leather surface. In the defect classification process, these collected features are used to classify the type of defect based on SVM algorithm. Experimental results show that the detected defects are localized according to their real-positions on leather surface. The size and type of detected defect are also accurately determined.","PeriodicalId":137666,"journal":{"name":"2018 5th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125498456","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}
{"title":"Stable low-stretch routing scheme for wireless sensor networks with a large hole of complicated shape","authors":"Q.D.Thai Nhan, Khanh-Van Nguyen","doi":"10.1109/NICS.2018.8606882","DOIUrl":"https://doi.org/10.1109/NICS.2018.8606882","url":null,"abstract":"The problem of routing with the presence of holes in wireless sensor networks has been studied for long and has resulted in a long list of sophisticated proposals and clever techniques that deal with various issues revolving around the existence of holes such as packet delivery guarantee and load balancing. However, most existing works have not entirely solved the issue of sustainment of near-hole sensor nodes, which tend to be energy exhausted by traffic concentrating on the hole’s border (due to the popularity of greedy routing). This issue gives rise to network instability where these nodes can die in numbers that would result in the undesirable enlargement of the hole and, thus, shortens the network lifetime. Moreover, there is a lack of strategies to tackle the case of near-hole nodes being the recipients or senders, especially for those nodes in cavern-like regions whose shapes are full of twists and turns. In this paper, our STABLE routing scheme is proposed to address the problem of routing with the existence of a large, complicated-shape hole in every aspect, regardless of where the senders and recipients are located. We propose to use the ball-rolling technique to compute an inner-margined area of a cavern, which helps to distribute traffic away from the hole boundary. Our experimental results show that our STABLE yields the longest network lifetime and highest load balancing compared to other well-known routing algorithms.","PeriodicalId":137666,"journal":{"name":"2018 5th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117241523","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}
Huilin Zheng, H. Park, Dingkun Li, K. Park, K. Ryu
{"title":"A Hybrid Feature Selection Approach for Applying to Patients with Diabetes Mellitus: KNHANES 2013-2015","authors":"Huilin Zheng, H. Park, Dingkun Li, K. Park, K. Ryu","doi":"10.1109/NICS.2018.8606864","DOIUrl":"https://doi.org/10.1109/NICS.2018.8606864","url":null,"abstract":"Recent years, the diabetes mellitus is an important public health problem and has been the top 10 leading causes of death in lower-middle-income countries and upper-middle-income countries in the world. In this study, we tried to use a hybrid feature selection approach to find proper and optimal feature subsets to classify and predict the diabetes mellitus patients in Korea based on the data from Korea National Health and Nutrient Examination Survey (KNHANES). We used the information gain feature selection approach as the filter phase and used the support vector machine with sequential search method as the wrapper phase. To validate the efficiency of the proposed approach, we also compared our proposed approach with several popular feature selection approaches. The results showed that our proposed approach can significantly improve the classification accuracy and outperformed other feature selection approaches.","PeriodicalId":137666,"journal":{"name":"2018 5th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"161 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131391256","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}
Nguyen Hoang Thuan, Tran Anh Tri, D. Swann, Nguyen Huu Hoa
{"title":"Modelling Dynamic Information Flows: Extensions of LINQ with Norms","authors":"Nguyen Hoang Thuan, Tran Anh Tri, D. Swann, Nguyen Huu Hoa","doi":"10.1109/NICS.2018.8606889","DOIUrl":"https://doi.org/10.1109/NICS.2018.8606889","url":null,"abstract":"Modelling information flows enable us to understand organisational communication and manage dynamics of business functions. LINQ is a new technique for modelling organisational information flows. Our previous work has showed that the technique can capture the dynamics of information flows. However, there is still a need to facilitate LINQ with formulations of business rules. Fulfilling this gap, the current study extends LINQ with the norm analysis method. The norm analysis defines business rules, conditions and constrains for controlling information flows. The extended LINQ has been applied to a real case study for demonstration purposes. The obtained results suggest that the extended technique enables analysists to model information flows and accommodate conditional business rules.","PeriodicalId":137666,"journal":{"name":"2018 5th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131857984","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}
{"title":"Response particles: The mysteries of yes and no","authors":"M. Krifka","doi":"10.1109/NICS.2018.8606803","DOIUrl":"https://doi.org/10.1109/NICS.2018.8606803","url":null,"abstract":"Response particles like English yes and no are expressions that allow for agreeing or disagreeing reactions to polar questions and assertions. Despite their apparently simple function, there is considerable variation between and within languages when they are used with antecedents that contain a negation. The article gives an overview of recent accounts and experimental insights. It discusses two major approaches: One that considers response particles as grammatical reflexes of clauses, and one for which they are anaphoric expressions.","PeriodicalId":137666,"journal":{"name":"2018 5th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128616235","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}
{"title":"User’s perception on mental health applications: a qualitative analysis of user reviews","authors":"Kong Saoane Thach","doi":"10.1109/NICS.2018.8606901","DOIUrl":"https://doi.org/10.1109/NICS.2018.8606901","url":null,"abstract":"CBT-based mental health apps have been introduced as a promise in helping people to deal with common mental illnesses. Although there is a high number of users, their adherence to the apps is significantly low. Meanwhile, the reasons for this circumstance are not well examined. The question of which features engage users to use and continue using are not well understood. This study will try to address this gap in literature. The study focuses on apps where the core design is primarily based on a CBT approach. The review analysis shows that users highly appreciate the ability to monitor and reflect themselves, and to figure out what is going on in their mood of the apps. Also, the ability to send notifications, prompts or email to remind users to perform related tasks are the helpful way make users stay focused and engaged. Besides, the ability to provide different interactions for patients and clinicians is also got high appreciation. Most of design-related feedback takes careful consideration on ease-of use characteristics and research-based features. By contrast, technical issues are the most common reason making users quit using the interventions. Other aspects that generate complaints also focus on a lack of customer services, clear security measures and privacy policy. Similarly, many users complain when the apps are complicated in design and have a lot of advertisement contents. Therefore, in order to enhance user experience and user adherence, these features should be carefully considered in the design phase during the development process of the apps.","PeriodicalId":137666,"journal":{"name":"2018 5th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127108195","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}
{"title":"Towards an Educational Music Processor for Folk and Popular Musics","authors":"Anh-Thu G. Phan, Thanh-Nhan Ngo","doi":"10.1109/NICS.2018.8606832","DOIUrl":"https://doi.org/10.1109/NICS.2018.8606832","url":null,"abstract":"This paper describes an educational musical processor that takes spectrographic data of a sonic object and turns them into a series of meaningful layers associated with different musical knowledge representations, in such a way that it can be understood, reproduced, played, compared, and taught by everyone across cultures, regardless of their musical backgrounds. Any music audio file can be used as input. Within the scope of this paper, the authors focus on processing of musical audio files onto common graphic platform of physical sound properties, in Hertz, Decibels, and milliseconds, so that culturally dependent musical units such as notes, beats, measures, phrases, chords, and sections can be viewed in separate layers. Syntactic techniques, such as frequency of occurrences, and adjacency are applied to musical units, such as pitches and musical chords. They are key pitches in context and key chords in context. The results are then mapped onto circles of fifths which reveal distinct patterns of each song, each section of one song, of each artist, each genre, and each culture. Semi-automatic generation of layers of annotations on top of the spectrogram helps teachers to quickly discover and/or compare distinctive features of a song, while preparing lessons. Learners of all levels can choose the most prominent patterns of the song to learn. This can also advance methods for preservation for further studies of sonic objects in the future.","PeriodicalId":137666,"journal":{"name":"2018 5th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114137882","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}
{"title":"Hardware Implementation of a MIMO Channel Emulator for high speed WLAN 802.11ac","authors":"Tran Van Tien, Trần Mạnh Tiến, Lam Duc Khai","doi":"10.1109/NICS.2018.8606847","DOIUrl":"https://doi.org/10.1109/NICS.2018.8606847","url":null,"abstract":"In this paper, we present a hardware implementation of a 4x4 MIMO channel emulator for WLAN 802.11ac. High sampling rate and scalable number of taps are targets of MIMO channel emulator. We propose a design of MIMO channel emulator with parallel architecture. We also reduce the number of hardware calculations by using many pre-calculated parameters from software calculations. An implementation on Xilinx Virtex-7 V2000T occupies 929142 slice registers about 38% of the available configurable slice registers and 349416 slice LUTs about 29% FPGA’s slice LUTs. The maximum frequency of our emulator is 305.181 MHz, which means it can respond the sampling rate of 802.11ac baseband IQ signal.","PeriodicalId":137666,"journal":{"name":"2018 5th NAFOSTED Conference on Information and Computer Science (NICS)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114219570","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}