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Author Correction: H∞ observer-based control for fuzzy Hadamard fractional-order systems

Computational and applied Mathematics 2025年第5期44卷 1-1页

作者： Rhaima, Mohamed Gassara, Hamdi Mchiri, Lassaad Hajjaji, Ahmed El Makhlouf, Abdellatif Ben Department of Statistics and Operations Research College of Science King Saud University Riyadh Saudi Arabia Laboratory of Sciences Techniques of Automatic Control and Computer Engineering National School of Engineering of Sfax University of Sfax Sfax Tunisia Panthéon-Assas University Paris II Paris France Modeling Information and Systems Laboratory University of Picardie Jules Verne UFR of Sciences Amiens France Department of Mathematics Faculty of Sciences Sfax University Sfax Tunisia

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Watson-Crick Linear Grammars 2nd

Watson-Crick Linear Grammars

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2nd International Conference on Advanced Data and information Engineering, DaEng 2015

作者： Mohamad Zulkufli, N.L. Turaev, S. Mohd Tamrin, M.I. Messikh, A. Department of Computer Science Kulliyyah of Information and Communication Technology International Islamic University Malaysia Kuala Lumpur53100 Malaysia Faculty of Engineering and Natural Sciences International University of Sarajevo Hrasnička cesta 15 Ilidža71210 Bosnia and Herzegovina Department of Information Systems Kulliyyah of Information and Communication Technology International Islamic University Malaysia Kuala Lumpur53100 Malaysia

ISBN: (纸本)9789811317972

In this paper, we define Watson-Crick linear grammars extending Watson-Crick regular grammars Subramanian et al. (CCSEIT’12 proceedings of the second international conference on computer science, science, engineering and information technology 151–156, 2012, [9]) with linear rules, and study their generative power. We show that Watson-Crick linear grammars can generate some context-sensitive languages. Moreover, we establish that the family of Watson-Crick regular languages proper subset of the family of Watson-Crick linear languages but it is not comparable with the family of linear languages. © Springer Nature Singapore Pte Ltd. 2019.

关键词： Automata theory

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Modeling Economic Influence on Technical Decisions in Urban, IoT-based Water Management systems

Modeling Economic Influence on Technical Decisions in Urban,...

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International Conference on Electronics, computers and Artificial Intelligence (ECAI)

作者： Diana-Andreea Arsene Bogdan-Ionut Pahontu Alexandru Valentin Vladuta Faculty of Computer Science University Politehnica of Bucharest Bucharest Romania Faculty of Information Systems and Cyber Security Military Technical Academy Bucharest Romania

ISBN: (数字)9781728116242

ISBN: (纸本)9781728116259

Water is one of the most important resources for survival. Nowadays, there is a continuous preoccupation for optimizing the use of water resources. The paper presents the model of a decision support system for the optimization of water consumption, which starts from the definition of different consumer profiles. In the water resource management system, several stakeholders are involved: the supplier, the state authority and the consumer, which are linked by well-defined contractual relationships. Depending on the consumer profile, the supplier may establish different types of contracts that favor responsible water use. The system proposes consumer profile oriented scenarios that reflect the influence of consumer habits on water consumption.

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Coronavirus herd immunity optimizer (CHIO)

Research Square

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Research Square 2020年

作者： Al-Betar, Mohammed Azmi Alyasseri, Zaid Abdi Alkareem Awadallah, Mohammed A. Doush, Iyad Abu Department of Information Technology Al-Huson University College Al-Balqa Applied University P.O. Box 50 Al-Huson Irbid Jordan School of Computer Science Universiti Sains Malaysia Penang Malaysia ECE dept. Faculty of Engineering University of Kufa Najaf Iraq Department of Computer Science Al-Aqsa University P. O. Box 4051 Gaza Palestine Computer Science Department American University of Kuwait Salmiya Kuwait Computer Science Department Yarmouk University Irbid Jordan

In this paper, a new nature-inspired human-based optimization algorithm is proposed which called Coronavirus Herd Immunity Optimizer (CHIO). The inspiration of CHIO is originated from the herd immunity concept as a way to tackle coronavirus pandemic (COVID-19). The speed of spreading coronavirus infection depends on how the infected individuals directly contact with other society members. In order to protect other members of society from the disease social distancing is suggested by health experts. Herd immunity is a state the population reach when most of the population is immune which results in the prevention of disease transmission. These concepts are modeled in terms of optimization concepts. CHIO mimics the herd immunity strategy as well as the social distancing concepts. Three types of individual cases are utilized for herd immunity: susceptible, infected, and immuned. This is to determine how the newly generated solution updates its genes with social distancing strategies. CHIO is evaluated using 23 well-known benchmark functions. Initially, the sensitivity of CHIO to its parameters is studied. Thereafter, the comparative evaluation against seven state-of-the-art methods is conducted. The comparative analysis verifies that CHIO is able to yield very competitive results compared to those obtained by other well-established methods. In conclusion, CHIO is a very powerful optimization algorithm that can be used to tackle many optimization problems across a wide variety of optimization domains. © 2020, CC BY.

关键词： Coronavirus

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Pixel attention meets M-shaped networks: A cutting-edge AI solution for diabetic retinopathy classification and stroke risk prediction

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Biomedical Signal Processing and Control 2025年 110卷

作者： Ahmed A. Alsheikhy Tawfeeq Shawly Yahia Said Aws I. AbuEid Abdulrahman A. Alzahrani Abdulrahman A. Alshdadi Hossam E. Ahmed Electrical Engineering Department College of Engineering Northern Border University Arar Saudi Arabia King Salman Center for Disability Research Riyadh 11614 Saudi Arabia Electrical Engineering Department Faculty of Engineering at Rabigh King Abdulaziz University Jeddah Saudi Arabia Center for Scientific Research and Entrepreneurship Northern Border University Arar Saudi Arabia Department of Information and Communication Technology College of Computing Studies Arab Open University Kuwait Branch Kuwait Department of Information Systems and Technology College of Computer Science and Engineering University of Jeddah Jeddah Saudi Arabia Electrical Engineering Department Faculty of Engineering Benha University Benha Egypt

Visual impairment is a major global health concern, with Diabetic Retinopathy (DR) recognized as a leading cause of vision loss and blindness among individuals with diabetes. Despite its widespread occurrence, the early detection of DR poses significant challenges due to the subtlety of initial symptoms, the requirement for expert analysis of retinal images, and the drawbacks of traditional diagnostic techniques, which can be time-consuming, subjective, and susceptible to human error. DR impacts the retina and the ocular blood vessels, making timely and accurate diagnosis crucial to prevent irreversible damage. However, recent advancements in Artificial Intelligence (AI) have opened up new avenues in medical diagnostics, offering sophisticated approaches for the detection and classification of DR with impressive accuracy. This article introduces a Pixel Attention-based M−Shaped Architecture (PAM), an innovative AI-powered diagnostic tool designed to enhance the detection and classification of DR. The PAM system consists of two key components: 1) a Pixel Attention (PIAT) network that aids in the precise identification of abnormalities in retinal blood vessels, and 2) an M−shaped neural network architecture that delivers strong segmentation and classification capabilities. Trained and validated on three diverse benchmark datasets with over 35,000 fundus images spanning multiple DR severity levels, PAM exhibits exceptional adaptability across different levels of DR severity (mild, moderate, severe, and proliferative), achieving state-of-the-art results with an accuracy of 98.73%, precision of 98.82%, sensitivity of 98.67%, specificity of 98.72%, F1-score of 99.13%, and a Dice coefficient of 98.74%. Comparative studies demonstrate that PAM outperforms current methodologies, especially in terms of accuracy and F1-score. Its key advantage is its ability to offer healthcare professionals a scalable, efficient, and dependable resource for improving clinical decision-making.

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Clifford wavelets for fetal ECG extraction

arXiv

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arXiv 2021年

作者： Jallouli, Malika Arfaoui, Sabrine Mabrouk, Anouar Ben Cattani, Carlo Université de Sousse Ecole Nationale d'Ingénieurs de Sousse LATIS Laboratory of Advanced Technology and Intelligent Systems Sousse4023 Tunisia Laboratory of Algebra Number Theory and Nonlinear Analysis LR18ES15 Department of Mathematics Faculty of Sciences Monastir5019 Tunisia Department of Mathematics Faculty of Sciences University of Tabuk Saudi Arabia Department of Mathematics Higher Institute of Applied Mathematics and Computer Science University of Kairouan Street of Assad Ibn Al-Fourat Kairouan3100 Tunisia Tuscia University Viterbo Italy

Analysis of the fetal heart rate during pregnancy is essential for monitoring the proper development of the fetus. Current fetal heart monitoring techniques lack the accuracy in fetal heart rate monitoring and features acquisition, resulting in diagnostic medical issues. The challenge lies in the extraction of the fetal ECG from the mother ECG during pregnancy. This approach has the advantage of being reliable and non-invasive technique. For this aim, we propose in this paper a wavelet/multiwavelet method allowing to extract perfectly the feta ECG parameters from the abdominal mother ECG. The method is essentially due to the exploitation of Clifford wavelets as recent variants in the field. We prove that these wavelets are more efficient and performing against classical ones. The experimental results are therefore due to two basic classes of wavelets and multi-wavelets. A first class is the classical Haar-Schauder, and a second one is due to Clifford valued wavelets and multi-wavelets. These results showed that wavelets/multiwavelets are already good bases for the FECG processing, provided that Clifford ones are the *** Codes 42C40, 92C55 © 2021, CC0.

关键词： Electrocardiography

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Development of A Hybrid Method to Control the Grid-Connected PV Converter

Development of A Hybrid Method to Control the Grid-Connected...

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International Conference on Environment and Electrical Engineering (EEEIC)

作者： Farzad Roozitalab Mohammad Amin Jarrahi Mohammad Mehdi Arefi Mohammad Sadegh Javadi Amjad Anvari-Moghadam João P. S. Catalão School of Industrial and Information Engineering Politecnico di Milano Univesity Milan Italy School of Electrical and Computer Engineering Shiraz University Shiraz Iran Insitute for Systems and Computer Engineering Technology and Science (INESC TEC) Porto Portugal Aalborg University Aalborg Denmark Faculty of Engineering of the University of Porto (FEUP) Porto Portugal

ISBN: (数字)9781728174556

ISBN: (纸本)9781728174563

Grid-connected photovoltaic (PV) systems are considered as the best options for home solar electric system applications. Compared to other alternatives, grid-connected PV systems offer the least expensive and lowest-maintenance choice for residential usage. The PV systems are constructed using some solar cells to extract the energy from sun radiations and power converters to convert the output DC voltage into AC one. In the present study a hybrid scheme is suggested to control the grid-connected PV converters. The developed scheme is able to inject the power created by solar arrays into the network. Also, it can rectify the problems associated with the reactive power and load harmonics in the system. Moreover, the suggested technique can secure the load active and reactive power during the network failure conditions. One of the contributions of the proposed method is that it can manage the power of solar arrays to supply the load, filter the harmonics and compensate the reactive power in a situation where the power produced by solar arrays is less than the power of converters. In this condition, the proposed technique can make the current drawn from the grid completely sine at unity power factor.

关键词： Reactive power Harmonic analysis Inverters Power system harmonics Voltage control Mathematical model Capacitors

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Embedded system environment self-awareness using LIDAR technologies for robotics applications

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IOP Conference Series: Materials science and Engineering 2021年第1期1031卷

作者： S G Bogdanov D S Chikurtev N R Spasova Technical University of Sofia Faculty of Computer Systems and Technologies Department of Computer Systems Bulgaria Institute of Information and Communication Technologies Bulgarian Academy of Science acad. G Bonchev str. block 2 Bulgaria Technical University of Sofia Department of Microelectronics Faculty of Electronic Engineering and Technologies

LIDAR technology is a major part of autonomous robots. That technology provides the necessary data for autonomous navigation, localization, surface scanning and obstacle detection. This paper presents a modular embedded system architecture, which is a part of a self-sufficient AI. The LIDAR software module of the proposed system is described. That module will provide 2D information about the surrounding environment. It is developed like a loadable module with options for self-compiling in the system. This research is the first step of self-awareness embedded system. In addition, we illustrate the application of the module in localization and navigation of mobile robots. The results achieved show that the developed software module is applicable for robotics localization and navigation.

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Techniques in Pan-Tilt-Zoom Operations of IP Network Camera for Visual IoT

Techniques in Pan-Tilt-Zoom Operations of IP Network Camera ...

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International Symposium on Wireless Personal Multimedia Communications (WPMC)

作者： Yuki Murakami Ken T. Murata Ryozo Yamazaki Kazutaka Kikuta Yoshihide Kagatani Toshiki Aoki Takamichi Mizuhara Kazunori Yamamoto Tomohiro Kawanabe Tsutomu Nagatsuma Junji Tokairin Michiharu Niimi Kazuki Kobayashi Keiichiro Fukuzawa Social Innovation Unit National Institute of Information and Communications Technology (NICT) Tokyo Japan Resilient ICT Reserach Center National Institute of Information and Communications Technology (NICT) Sendai Japan GEO Solutions Inc. Nishinomiya Japan CLEALINK TECHNOLOGY Co. Ltd. Kyoto Japan Faculty of Computer Science and Systems Engineering Kyushu Institute of Technology (Kyutech) Fukuoka Japan Academic Assembly Shinshu University Nagano Japan Academic Center for Computing and Media Studies (ACCMS) Kyoto University Kyoto Japan

ISBN: (纸本)9781665427616

One of the objectives of Visual IoT is to realize safe and secure society via remote video transmission. Low-cost cameras play an important role since we need to distribute many cameras in the society. To achieve wide coverage of monitoring with single IP network camera, remote PTZ (Pan-Tilt-Zoom) function is one of the preferable solutions that is installed in IP network camera at high location such as at the top of mountains. In this paper we propose techniques of PTZ remote control of low-cost IP cameras for Visual IoT systems over mobile networks. At first, one of the regulations of PTZ remote-control, ONVIF (Open Network Video Interface Forum) Profile S, is introduced for remote operations over IP networks. We then design and implement remote ONVIF commands in our Visual IoT system. Finally the system performances are examined in both laboratory environment and outdoor fields. The remote PTZ operations is practically successful while issues are discussed to achieve area monitoring with a high precision using low-cost IP network cameras.

关键词： Wireless communication Visualization Costs Surveillance Laboratories Cameras Regulation

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Optimisation of the event-based TOF filtered back-projection for online imaging in total-body J-PET

arXiv

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arXiv 2021年

作者： Shopa, Roman Y. Klimaszewski, K. Kopka, P. Kowalski, P. Krzemień, W. Raczyński, L. Wiślicki, W. Chug, N. Curceanu, C. Czerwiński, E. Dadgar, M. Dulski, K. Gajos, A. Hiesmayr, B.C. Kacprzak, K. Kaplon, L. Kisielewska, D. Korcyl, G. Krawczyk, N. Kubicz, E. Niedźwiecki, Sz. Raj, J. Sharma, S. Shivani Stepień, E.L. Tayefi, F. Moskal, P. Department of Complex Systems National Centre for Nuclear Research Otwock-Świerk05-400 Poland High Energy Physics Division National Centre for Nuclear Research Otwock-Świerk05-400 Poland Faculty of Physics Astronomy and Applied Computer Science Jagiellonian University prof. Stanislawa Lojasiewicza 11 Cracow30-348 Poland Total-Body Jagiellonian-PET Laboratory Jagiellonian University Poland INFN Laboratori Nazionali di Frascati Frascati00044 Italy Faculty of Physics University of Vienna Vienna1090 Austria

We perform a parametric study of the newly developed time-of-flight (TOF) image reconstruction algorithm, proposed for the real-time imaging in total-body Jagiellonian PET (J-PET) scanners. The asymmetric 3D filtering kernel is applied at each most likely position of electron-positron annihilation, estimated from the emissions of back-to-back γ-photons. The optimisation of its parameters is studied using Monte Carlo simulations of a 1-mm spherical source, NEMA IEC and XCAT phantoms inside the ideal J-PET scanner. The combination of high-pass filters which included the TOF filtered back-projection (FBP), resulted in spatial resolution, 1.5 times higher in the axial direction than for the conventional 3D FBP. For realistic 10-minute scans of NEMA IEC and XCAT, which require a trade-off between the noise and spatial resolution, the need for Gaussian TOF kernel components, coupled with median post-filtering, is demonstrated. The best sets of 3D filter parameters were obtained by the Nelder-Mead minimisation of the mean squared error between the resulting and reference images. The approach allows training the reconstruction algorithm for custom scans, using the IEC phantom, when the temporal resolution is below 50 ps. The image quality parameters, estimated for the best outcomes, were systematically better than for the non-TOF FBP. © 2021, CC BY-NC-ND.

关键词： Positron emission tomography

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