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34th Canadian Conference on Computational Geometry, CCCG 2022

作者： Abam, Mohammad Ali Lavasani, Ali Mohammad Pankratov, Denis Department of Computer Engineering Sharif University of Technology Iran Department of Computer Science and Software Engineering Concordia University Canada

We study the maximum weight convex polytope problem, in which the goal is to find a convex polytope maximizing the total weight of enclosed points. Prior to this work, the only known result for this problem was an O(n3) algorithm for the case of 2 dimensions due to Bautista et al. We show that the problem becomes NP-hard to solve exactly in 3 dimensions, and NPhard to approximate within n1/2-Ε for any Ε > 0 in 4 or more dimensions. We also give a new algorithm for 2 dimensions, albeit with the same O(n3) running time complexity as that of the algorithm of Bautsita et al. © 2022 Yeganeh Bahoo and Konstantinos Georgiou.

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A Novel Approach Detection for False Data Injection, and Man in the Middle Attacks in IoT and IIoT

A Novel Approach Detection for False Data Injection, and Man...

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2023 IEEE PES Generation, Transmission and Distribution International Conference and Exposition, GTD 2023

作者： Gonen, Serkan Bariskan, Mehmet Ali Kaplan, Derya Yiltas Yilmaz, Ercan Nurcan Cetin, Aydin Istanbul Gelişim University Department of Computer and Software Engineering Istanbul Turkey Istanbul University-Cerrahpasa Department of Computer Engineering Istanbul Turkey Gazi University Faculty of Technology Ankara Turkey

ISBN: (纸本)9781728170251

Human beings have gone through stages that have made significant contributions to their lives with technological developments. One of the most important of these close to the present day is the introduction of IoTs, and IIoTs into our lives with the industry 4.0 process. From smart homes to smart grids, we are faced with a world that is getting smarter in every aspect of our lives. In this cyber environment where our data, including our personal data, is transferred to the virtual environment, the biggest threat is the attacks that can be made on this existing environment. The biggest methods used by attackers are to exploit the vulnerabilities that the existing system brings in addition to the old vulnerabilities. With the IoT process, there have been very important developments, and all operations can be carried out remotely via mobile phone or computer, such as checking the missing needs in the refrigerator, washing, drying clothes, and even in the most advanced dimension, reducing the temperature if it is too high, or increasing it if it is low, without people coming to their homes, and with these renovations, new types of threads become part of our lives. With this study we focus on one of more dangerous part of these attacks, False Data Injection (FDI), and Men in the Middle (MitM) attacks. With this study we detected MitM, and FDI attacks with success rate of %95 percent. © 2023 IEEE.

关键词： Cybersecurity

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Graph-Aware Unsupervised Feature Scoring Using Reconstruction Errors in GNN Embeddings

Graph-Aware Unsupervised Feature Scoring Using Reconstructio...

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2024 IEEE International Conference on Bioinformatics and Biomedicine, BIBM 2024

作者： Wang, Sehee Kim, So Yeon Sohn, Kyung-Ah Ajou University Department of Artificial Intelligence Suwon Korea Republic of Ajou University Department of Artificial Intelligence Department of Software and Computer Engineering Suwon Korea Republic of

ISBN: (纸本)9798350386226

Graph neural networks (GNNs) have recently gained significant attention for their ability to model and analyze complex relationships, leading to numerous applications in a variety of fields. In line with this, explainable models such as GNNExplainer have been developed to provide insights into how GNN models make decisions. However, much of the research has focused on identifying important edges and subgraphs, with relatively less emphasis on feature importance. To address this gap, we propose a novel unsupervised feature scoring method aimed at extracting features that are well-aligned with graph structures. Our approach leverages the distinction between features that explain the overall structural characteristics of the graph and those that do not. Through comparative experiments with other algorithms, we demonstrated that our proposed method is effective in selecting important features in unsupervised settings. Additionally, empirical analysis of gene expression data confirmed that our method could aid in biomarker discovery, highlighting its potential for practical applications in biological studies. © 2024 IEEE.

关键词： Knowledge graph

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Fingerprint Agreement Using Enhanced Kerberos Authentication Protocol on M-Health

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computer Systems Science & engineering 2022年第11期43卷 833-847页

作者： A.S.Anakath S.Ambika S.Rajakumar R.Kannadasan K.S.Sendhil Kumar School of Computing E.G.S.Pillay Engineering CollegeNagapattinam611002India Department of Computer Science and Engineering University College of Engineering AriyalurAriyalur621705India Department of Mathematics University College of Engineering AriyalurAriyalur621705India Department of Software Systems School of Computer Science and Engineering(SCOPE)Vellore Institute of Technology UniversityVellore632014India Department of IoT School of Computer Science and Engineering(SCOPE)Vellore Institute of Technology UniversityVellore632014India

Cloud computing becomes an important application development platform for processing user data with high *** providers are accustomed to providing storage centers outside the trusted location preferred by the data ***,ensuring the security and confidentiality of the data while processing in the centralized network is very *** secured key transmission between the sender and the receiver in the network is a huge challenge in managing most of the sensitive data transmission among the cloud *** are very active over the network like real authenticated user to hack the personal sensitive data,such as bank balance,health data,personal data,and confidential documents over the cloud *** this research,a secured key agreement between the sender and the receiver using Kerberos authentication protocol with fingerprint is proposed to ensure security in *** of patients are monitored using wireless sensor devices and are then transferred to the *** protocol helps in avoiding unnecessary communication of authenticated data over the cloud *** security process is a procedure with the best security in most of the authentication *** node is responsible in carrying data packets from the sender to the receiver in the cloud *** Kerberos protocol is used in trust node to ensure *** communication between the local health center and the healthcare server is ensured by using a fingerprint feature called minutiae form,which refers to the fingerprint image of both sender and *** computational and communicational cost of the proposed system is lesser when compared with other existing authentication methods.

关键词： Protocol security m-health cloud computing biometric fingerprint kerberos protocol

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An Efficient Character-Level Adversarial Attack Inspired by Textual Variations in Online Social Media Platforms

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computer Systems Science & engineering 2023年第12期47卷 2869-2894页

作者： Jebran Khan Kashif Ahmad Kyung-Ah Sohn Department of Artificial Intelligence Ajou UniversitySuwonKorea Department of Computer Science Munster Technological UniversityCorkIreland Department of Software and Computer Engineering Ajou UniversitySuwonKorea

In recent years,the growing popularity of social media platforms has led to several interesting natural language processing(NLP)***,these social media-based NLP applications are subject to different types of adversarial attacks due to the vulnerabilities of machine learning(ML)and NLP *** work presents a new low-level adversarial attack recipe inspired by textual variations in online social media *** variations are generated to convey the message using out-of-vocabulary words based on visual and phonetic similarities of characters and words in the shortest possible *** intuition of the proposed scheme is to generate adversarial examples influenced by human cognition in text generation on social media platforms while preserving human robustness in text understanding with the fewest possible *** intentional textual variations introduced by users in online communication motivate us to replicate such trends in attacking text to see the effects of such widely used textual variations on the deep learning *** this work,the four most commonly used textual variations are chosen to generate adversarial ***,this article introduced a word importance ranking-based beam search algorithm as a searching method for the best possible perturbation *** effectiveness of the proposed adversarial attacks has been demonstrated on four benchmark datasets in an extensive experimental setup.

关键词： Adversarial attack text classification social media character-level attack phonetic similarity visual similarity word importance rank beam search

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Performance Improvement in Blood Cell Segmentation with Deep Learning-based Image Fusion Approach 8

Performance Improvement in Blood Cell Segmentation with Deep...

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8th International Artificial Intelligence and Data Processing Symposium, IDAP 2024

作者： Dogu, Fatma Tuana Dogan, Hulya Dogan, Ramazan Ozgur Sezen, F. Sena Karadeniz Technical University Faculty of Engineering Department of Electrical and Electronics Engineering Trabzon Turkey Karadeniz Technical University Faculty of Engineering Department of Software Engineering Trabzon Turkey Trabzon University Faculty of Computer and Information Sciences Department of Artificial Intelligence Engineering Trabzon Turkey Karadeniz Technical University Faculty of Pharmacy Department of Pharmacology Trabzon Turkey

ISBN: (纸本)9798331531492

To overcome the limitations of examining blood cells under a microscope, several investigations have been carried out using artificial intelligence techniques. These investigations aim to automate the processes of detecting, counting, segmenting, and classifying blood cells. Typically, these investigations employ two-dimensional (2D) images to apply artificial intelligence and image processing techniques. Nevertheless, these 2D images occasionally lack optimal focus as a result of the microscope's depth of focus (DOF). Inadequate achievement of optimally focused imaging has a detrimental impact on the efficiency of automated processes. In this context, the objective of this study is founded around two primary roles. The first of these is the performance improvement of blood cell segmentation by developing a deep learning-based image fusion approach. The second is the preparation of new data sets containing images with different focuses for optimally focused imaging of blood cells. In the study, four different performance evaluation criteria, namely Accuracy (ACC), Sensitivity (SEN), Specificity (SPE), and Jaccard, are utilized to demonstrate the efficacy of the deep learning-based image fusion approach in blood cell segmentation. Both the experimental results of the performance evaluation criteria and the visual findings obtained in the study indicate that the performance in blood cell segmentation is improved with a deep learning-based approach. © 2024 IEEE.

关键词： Image segmentation

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Detecting Code Smell with a Deep Learning System

Detecting Code Smell with a Deep Learning System

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2023 Innovations in Intelligent Systems and Applications Conference, ASYU 2023

作者： Nizam, Ali Avar, Muhammed Yahya Adas, Omer Kaan Yanik, Ahmet Fatih Sultan Mehmet Vakif University Department of Software Engineering İstanbul Turkey Fatih Sultan Mehmet Vakif University Department of Computer Engineering İstanbul Turkey

ISBN: (纸本)9798350306590

Code smell detection is one of the most significant issues in the software industry. Metric-based static code analysis tools are used to detect undesirable coding practices known as code smells and guide refactoring requirements. Furthermore, the usage of deep learning-based techniques has emerged in code analysis tasks. The line and block level detection capability of metric-based tools provides an advantage over deep learning system systems. This study aims to develop a deep learning-based system for inter-procedural code smell detection supporting line and block of code. We created an experimental dataset by gathering code from GitHub repositories and detecting code smell on these codes using the metric-based SonarQube tool. Recurrent neural networks and transformers implementations of deep neural networks were applied to detect code smells. We also employed cosine similarity and k-Nearest Neighbor machine learning techniques for a comprehensive comparison. The proposed system achieves an average accuracy of approximately 80%. These findings indicate that the proposed system can help software teams in identifying potential interprocedural code smells. © 2023 IEEE.

关键词： Learning systems

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Smart Grid and Blockchain Technology for Community-Based P2P Renewable Energy Trading 2

Smart Grid and Blockchain Technology for Community-Based P2P...

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2nd International engineering Conference on Electrical, Energy, and Artificial Intelligence, EICEEAI 2023

作者： Sarwar, Muhammad Imran Maghrabi, Louai A. The Superior University Lahore Department of Computer Science and It Lahore54500 Pakistan College of Engineering University of Business and Technology Department of Software Engineering Jeddah Saudi Arabia

ISBN: (纸本)9798350373363

Current electric grids were designed a century ago for simple and limited needs. An electric grid helps the power generation company (PGC) supply electricity to homes and industrial consumers. Traditional electric grids have one-way interactions that make it difficult to cater to ever-changing and increased demand. The Smart Grids (SGs) introduced the bidirectional flow of electricity and the exchange of information between consumers and PGCs. SG is a combination of networks of communication, controls, computers, and automations that allow its integration with emerging technologies. Blockchain (BC) is a digital distributed ledger (DDL) that ensures the security, reliability and immutability of data. The integration of BC and SGs is an emerging idea that could also provide a platform for community-based electricity trading. This study aims to review community-based energy trading with BC-based SGs and discusses the first ever community-based peer-to-peer (P2P) solar energy trading project, Quartierstrom, by the Swiss Federal Office of Energy (SFOE), Switzerland. The findings of this study contribute a valuable reference to the knowledge body and enhance the comprehension of P2P energy trading for both new and experienced researchers, enabling them to identify new opportunities and challenges. © 2023 IEEE.

关键词： Blockchain

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Dynamic Hand Gesture Recognition Based on Short-Term Sampling Neural Networks

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IEEE/CAA Journal of Automatica Sinica 2021年第1期8卷 110-120页

作者： Wenjin Zhang Jiacun Wang Fangping Lan the Department of Computer Science and Software Engineering Monmouth UniversityNew Jersey 07740 USA

Hand gestures are a natural way for human-robot *** based dynamic hand gesture recognition has become a hot research topic due to its various *** paper presents a novel deep learning network for hand gesture *** network integrates several well-proved modules together to learn both short-term and long-term features from video inputs and meanwhile avoid intensive *** learn short-term features,each video input is segmented into a fixed number of frame groups.A frame is randomly selected from each group and represented as an RGB image as well as an optical flow *** two entities are fused and fed into a convolutional neural network(Conv Net)for feature *** Conv Nets for all groups share *** learn longterm features,outputs from all Conv Nets are fed into a long short-term memory(LSTM)network,by which a final classification result is *** new model has been tested with two popular hand gesture datasets,namely the Jester dataset and Nvidia *** with other models,our model produced very competitive *** robustness of the new model has also been proved with an augmented dataset with enhanced diversity of hand gestures.

关键词： Convolutional neural network(ConvNet) hand gesture recognition long short-term memory(LSTM)network short-term sampling transfer learning

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Study on the Role of Adaptive Power Control in Jamming Mitigation for Remote Keyless Entry Systems 29

Study on the Role of Adaptive Power Control in Jamming Mitig...

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29th IEEE Asia Pacific Conference on Communications, APCC 2024

作者： Alkofahi, Hamza Altarawneh, Amani Jordan University of Science and Technology Department of Software Engineering Irbid Jordan Tennessee Tech University Department of Computer Science CookevilleTN United States

ISBN: (纸本)9798331517816

Remote keyless entry (RKE) systems have become a standard feature in modern vehicles, offering the convenience of wireless control. However, this convenience is accompanied by significant security vulnerabilities, particularly susceptibility to jamming attacks. These attacks disrupt communication between the key fob and the vehicle, potentially leading to unauthorized access and vehicle theft. This study investigates the effectiveness of adaptive power control as a countermeasure to jamming attacks on RKE systems and examines the influence of jammer placement on data transmission success rates. We conducted experiments using a custom-built jammer, transmitter, and receiver to simulate real-world scenarios. Our findings demonstrate that jammer proximity significantly affects transmission success, and while increasing key fob power can initially mitigate jamming, its effectiveness diminishes beyond a certain threshold. © 2024 IEEE.

关键词： Jamming

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