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A CHARACTERIZATION OF RECOGNIZABLE PICTURE LANGUAGES 2nd

2ND INTERNATIONAL CONF ON PARALLEL IMAGE ANALYSIS ( ICPIA 92 )

作者： INOUE, K TAKANAMI, I Department of Computer Science and Systems Engineering Faculty of Engineering Yaraaguchi University Ube 755 Japan

ISBN: (纸本)3540563466

This paper first shows that BEC, the family of recognizable picture languages i n Giammarresi and Restivo (1991), is equal to the family of picture languages accepted by two-dimensional on-line tessellation acceptors in Inoue and Nakamura (1977). By using this result, we then solve open problems in Giammarresi and Restivo (1991), and show that (i) REC is not closed under complementation, and (ii) REC properly contains the family of picture languages accepted by two-dimensional nondeterministic finite automata even over a one letter alphabet. © Springer-Verlag Berlin Heidelberg 1992.

关键词： computers

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Detection of Left Ventricular Cavity from Cardiac MRI Images Using Faster R-CNN

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computers, Materials & Continua 2023年第1期74卷 1819-1835页

作者： Zakarya Farea Shaaf Muhammad Mahadi Abdul Jamil Radzi Ambar Ahmed Abdu Alattab Anwar Ali Yahya Yousef Asiri Faculty of Electrical and Electronic Engineering Universiti Tun Hussein Onn MalaysiaParit RajaBatu Pahat86400JohorMalaysia Department of Computer Science College of Science and ArtsSharurahNajran UniversityNajran61441Saudi Arabia Department of Computer Science Faculty of Computer Science and Info.SystemsThamar UniversityDhamar87246Yemen Department of Computer Science College of Computer Science and Information SystemsNajran UniversityNajran61441Saudi Arabia

The automatic localization of the left ventricle(LV)in short-axis magnetic resonance(MR)images is a required step to process cardiac images using convolutional neural networks for the extraction of a region of interest(ROI).The precise extraction of the LV’s ROI from cardiac MRI images is crucial for detecting heart disorders via cardiac segmentation or ***,this task appears to be intricate due to the diversities in the size and shape of the LV and the scattering of surrounding tissues across different ***,this study proposed a region-based convolutional network(Faster R-CNN)for the LV localization from short-axis cardiac MRI images using a region proposal network(RPN)integrated with deep feature classification and *** was trained using images with corresponding bounding boxes(labels)around the LV,and various experiments were applied to select the appropriate layers and set the suitable *** experimental findings showthat the proposed modelwas adequate,with accuracy,precision,recall,and F1 score values of 0.91,0.94,0.95,and 0.95,*** model also allows the cropping of the detected area of LV,which is vital in reducing the computational cost and time during segmentation and classification ***,itwould be an ideal model and clinically applicable for diagnosing cardiac diseases.

关键词： Cardiac short-axis MRI images automatic left ventricle localization deep learning models faster R-CNN

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Resource Assessment of Wind Energy Potential of Mokha in Yemen with Weibull Speed

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computers, Materials & Continua 2021年第10期69卷 1123-1140页

作者： Abdulbaset El-Bshah Fahd N.Al-Wesabi Ameen M.Al-Kustoban Mohammad Alamgeer Nadhem Nemri Majdy M.Eltahir Hany Mahgoub Noha Negm Department of Electronic Engineering Faculty of EngineeringUniversity of Science and Technology UST-Sana’aYemen Department of Computer Science King Khalid UniversityMuhayel AseerKingdom of Saudi Arabia Faculty of Computer and IT Sana’a UniversitySana’aYemen Department of Electronic Faculty of EngineeringUSTSana’aYemen Department of Information Systems King Khalid UniversityMayahel AseerKSA Department of Computer Science King Khaled UniversityKSA&Faculty of Computers and InformationMenoufia UniversityEgypt Department of Computer Science King Khaled UniversityKSA&Faculty of ScienceDepartment of Mathematics and Computer ScienceMenoufia UniversityEgypt

The increasing use of fossil fuels has a significant impact on the environment and ecosystem,which increases the rate of *** the high potential of renewable energy sources in Yemen and other Arabic countries,and the absence of similar studies in the *** study aims to examine the potential of wind energy in Mokha *** was done by analyzing and evaluating wind properties,determining available energy density,calculating wind energy extracted at different altitudes,and then computing the capacity factor for a few wind turbines and determining the *** speed was verified as the closest to the average actual wind speed using the cube root,as this was verified using 3 criteria for performance analysis methods(R^(2)=0.9984,RMSE=0.0632,COE=1.028).The wind rose scheme was used to determine the appropriate direction for directing the wind turbines,the southerly direction was appropriate,as the winds blow from this direction for 227 days per year,and the average southerly wind velocity is 5.27 m/s at an altitude of 3 *** turbine selected in this study has a tower height of 100m and a rated power of 3.45 *** capacitance factor was calculated for the three classes of wind turbines classified by the International Electrotechnical Commission(IEC)and compared,and the turbine of the first class was approved,and it is suitable for the study site,as it resists storms more than *** daily and annual capacity of a single,first-class turbine has been assessed to meet the needs of 1,447 housing units in Mokha *** amount of energy that could be supplied to each dwelling was around 19 kWh per day,which was adequate to power the basic loads in the home.

关键词： Wind energy system probability density wind speed Weibull velocity Rayleigh velocity wind rose

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A study of uniform approximation of plane gratings with periodic surface resistance

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IEEJ Transactions on Fundamentals and Materials 2011年第2期131卷 125-131+10页

作者： Wakabayashi, Hideaki Yamakita, Jiro Faculty of Computer Science and Systems Engineering Okayama Prefectural University 111 Kuboki Soja 719-1197 Japan

Surface-relief and index modulated dielectric gratings can be approximated by uniform equivalent permittivity when the periodicity is very small compared with a wavelength. In plane gratings, equivalent anisotropic effects of surface resistance will also appear when the periodicity is very small. In this paper, a versatile uniform approximation of equivalent resistance is proposed in the three-dimensional electromagnetic scattering problem of plane gratings with periodic surface resistance illuminated by linearly and circularly polarized incidence. Scattering properties are obtained by the equivalent resistance from our proposed uniform approximation. Scattering by plane gratings with various periodic surface resistance are analyzed rigorously by the Galerkin method based on the mixed form of current expansions in the spectral and spatial domains. By investigating the difference between the equivalent resistance and the numerical values corresponding to the surface resistance of plane gratings, the applicable condition of the uniform approximation is directly cleared. And the equivalent anisotropic effects of various resistance distributions are compared. © 2011 The Institute of Electrical Engineers of Japan.

关键词： Circular polarization

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Bilateral Coupled Epsilon Negative Metamaterial for Dual Band Wireless Communications

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computers, Materials & Continua 2022年第4期71卷 1263-1281页

作者： Md Mhedi Hasan Mohammad Tariqul Islam Md Moniruzzaman Mohd Hafiz Uddin Norsuzlin Binti Mohd Sahar Md Samsuzzaman Department of Electrical Electronic and Systems Engineering Faculty of Engineering and Built EnvironmentUniversiti Kebangsaan MalaysiaSelangor43600Malaysia Space Science Centre Institute of Climate ChangeUniversiti Kebangsaan MalaysiaSelangor43600Malaysia Department of Computer and Communication Engineering Faculty of Computer Science and EngineeringPatuakhali Science and Technology UniversityPatuakhali8602Bangladesh

This work presents a dual band epsilon negative(ENG)metamaterial with a bilateral coupled split ring resonator(SRR)for use in C and X band wireless communication *** traditional split-ring resonator(SRR)has been amended with this engineered *** proposed metamaterial unit cell is realized on the 1.6 mm thick FR-4 printed media with a dimension of 10×10 *** resonating patch built with a square split outer *** interlinked inner rings are coupled vertically to the outer ring to extend its electrical length as well as to tune the resonance *** simulation is performed using CST studio suite 2019 to design and performance *** transmission coefficient(S21)of the proposed unit cell and array configuration exhibits two resonances at 6.7 and 10.5 GHz with wide bandwidth extended from 4.86 to 8.06 GHz and 10.1 to 11.2 GHz,*** permittivity is noted at frequencies between 6.76–9.5 GHz and 10.5–12 GHz,consecutively,with near-zero refractive index and *** optimal EMR value depicts the compactness of the proposed *** 1×2,2×2 and 4×4 arrays are analyzed that shows similar response compared to the unit *** results of the 2×2 array shows the close similarity of S21 response as compared to *** observed properties of the proposed unit cell ascertain its suitability for wireless communications by enhancing the gain and directivity of the antenna system.

关键词： Metamaterial epsilon negative near-zero index split ring resonator wireless communications

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Inferring gene regulatory networks by hypergraph generative model

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Cell Reports Methods 2025年第4期5卷 101026页

作者： Su, Guangxin Wang, Hanchen Zhang, Ying Wilkins, Marc R. Canete, Pablo F. Yu, Di Yang, Yang Zhang, Wenjie School of Computer Science and Engineering The University of New South Wales Sydney NSW Australia ARC Centre of Excellence for the Mathematical Analysis of Cellular Systems (MACSYS) Melbourne VIC Australia Australian Artificial Intelligence Institute The University of Technology Sydney Sydney NSW Australia School of Computer Science and Technology Zhejiang Gongshang University Zhejiang China Systems Biology Initiative School of Biotechnology and Biomolecular Sciences The University of New South Wales Sydney NSW Australia Frazer Institute Faculty of Health Medicine and Behaviour Sciences The University of Queensland Brisbane QLD Australia Ian Frazer Centre for Children's Immunotherapy Research Child Health Research Centre Faculty of Health Medicine and Behaviour Sciences The University of Queensland Brisbane QLD Australia

We present hypergraph variational autoencoder (HyperG-VAE), a Bayesian deep generative model that leverages hypergraph representation to model single-cell RNA sequencing (scRNA-seq) data. The model features a cell encoder with a structural equation model to account for cellular heterogeneity and construct gene regulatory networks (GRNs) alongside a gene encoder using hypergraph self-attention to identify gene modules. The synergistic optimization of encoders via a decoder improves GRN inference, single-cell clustering, and data visualization, as validated by benchmarks. HyperG-VAE effectively uncovers gene regulation patterns and demonstrates robustness in downstream analyses, as shown in B cell development data from bone marrow. Gene set enrichment analysis of overlapping genes in predicted GRNs confirms the gene encoder's role in refining GRN inference. Offering an efficient solution for scRNA-seq analysis and GRN construction, HyperG-VAE also holds the potential for extending GRN modeling to temporal and multimodal single-cell omics. © 2025 The Authors

关键词： CP: systems biology gene regulatory networks hypergraph representation learning scRNA-seq

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A Study of Color Notation for Optical Properties of a Thin Layer having Multiple Reflection Peaks

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IEEJ Transactions on Fundamentals and Materials 2022年第7期142卷 341-342页

作者： Shiojiri, Toya Wakabayashi, Hideaki Arai, Tsuyoshi Inai, Hiroshi Faculty of Computer Science and Systems Engineering Okayama Prefectural University 111 Kuboki Soja719-1197 Japan

This study deals with structural coloration caused the optical properties having multiple reflection peaks. Getting the dominant wavelengths and the color coordinates in sRGB color space from the reflection by thin layer interference, we numerically consider the color notation and show the visible color. Moreover, we consider a multilayer model that applies thin layer interference. Numerical results for the multilayer model show wavelengths selectivity. © 2022 The Institute of Electrical Engineers of Japan.

关键词： Color

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A cost-effective approach using generative AI and gamification to enhance biomedical treatment and real-time biosensor monitoring

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Scientific Reports 2025年第1期15卷 1-16页

作者： Khan, Abdullah Ayub Laghari, Asif Ali Alsafyani, Majed Baqasah, Abdullah M. Kryvinska, Natalia Almadhor, Ahmad Alroobaea, Roobaea Gregus, Michal Department of Computer Science Bahria University Karachi Campus Karachi 75260 Pakistan Software Collage Shenyang Normal University Shenyang China Department of Computer Science College of Computers and Information Technology Taif University P. O. Box 11099 Taif 21944 Saudi Arabia Department of Information Technology College of Computers and Information Technology Taif University Taif 21974 Saudi Arabia Department of Information Management and Business Systems Faculty of Management Comenius University Bratislava Odbojárov 10 Bratislava 25 82005 Slovakia Department of Computer Engineering and Networks College of Computer and Information Sciences Jouf University Sakaka 72388 Saudi Arabia

Biosensors are crucial to the diagnosis process since they are designed to detect a specific biological analyte by changing from a biological entity into electrical signals that can be processed for further inspection and analysis. The method provides stability while evaluating cancer cell imaging and real-time angiogenesis monitoring, together with a robust, accurate, and successful identification. Nevertheless, there are several advantages to using nanomaterials in biological therapies like cancer therapy. In support of this strategy, gamification creates a new framework for therapeutic training that provides patients and first aid responders with immunological, photothermal, photodynamic, and chemo-like therapy. Multimedia systems, gamification, and generative artificial intelligence enable us to set up virtual training sessions. In these sessions, game-based training is being developed to help with skin cancer early detection and treatment. The study offers a new, cost-effective solution called GAI, which combines gamification and general awareness training in a virtual environment, to give employees and patients a hierarchy of first aid instruction. The goal of GAI is to evaluate a patient’s performance at each stage. Nonetheless, the following is how the scaling conditions are defined: learners can be divided into three categories: passive, moderate, and active. Through the use of simulations, we argue that the proposed work’s outcome is unique in that it provides learners with therapeutic training that is reliable, effective, efficient, and deliverable. The examination shows good changes in training feasibility, up to 22%, with chemo-like therapy being offered as learning opportunities. © The Author(s) 2025.

关键词： Biomedical treatment Biosensors Cancer diagnosis Gamification Generative artificial intelligence (GenAI) Machine learning (ML)

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Analysis and Assessment of Wind Energy Potential of Socotra Archipelago in Yemen

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computers, Materials & Continua 2022年第1期70卷 1177-1193页

作者： Murad A.Almekhlafi Fahd N.Al-Wesabi Imran Khan Nadhem Nemri Khalid Mahmood Hany Mahgoub Noha Negm Amin M.El-Kustaban Ammar Zahary Department of Electrical Engineering–Communication Engineering Sana’a UniversityYemen Department of Computer Science King Khalid UniversityMuhayel AseerKingdom of Saudi Arabia Faculty of Computer and IT Sana’a UniversitySana’aYemen Department of Electrical Engineering University of Engineering and TechnologyPeshawarP.O.B 814Pakistan Department of Information Systems King Khalid UniversityMayahel AseerKSA Computer Science Department King Khaled UniversityKSA&Faculty of Computers and InformationComputer Science DepartmentMenoufia UniversityEgypt Computer Science Department King Khaled UniversityKSA&Faculty of ScienceDepartment of Mathematics and Computer ScienceMenoufia UniversityEgypt Electronics Department Faculty of EngineeringUSTSana’aYemen Faculty of Computer and IT Sana’a UniversityYemen

The increasing use of fossil fuels has a significant impact on the environment and ecosystem,which increases the rate of *** the high potential of renewable energy sources inYemen and the absence of similar studies in the region,this study aims to examine the potential of wind energy in Socotra *** was done by analyzing and evaluating wind properties,determining available energy density,calculating wind energy extracted at different altitudes,and then computing the capacity factor for a number of wind turbines and determining the *** average wind speed in Socotra Island was obtained from the Civil Aviation and Meteorology Authority data,only for the five-year data currently *** results showed high wind speeds from June to September(9.85-14.88 m/s)while the wind speed decreased for the rest of the *** average wind speed in the five years was 7.95 m/*** average annual wind speed,wind energy density,and annual energy density were calculated at different altitudes(10,30,and 50 m).According to the International Wind Energy Rating criteria,the region of Socotra Island falls under Category 7 and is classified as‘Superb’for most of the *** study provides useful information for developing wind energy and an efficient wind approach.

关键词： Energy potential wind characteristics Weibull distribution wind power density Socotra island

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Rootkit Resistant File-system based on TPM

Rootkit Resistant File-system based on TPM

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2010 International Conference on computer Applications and Industrial Electronics, ICCAIE 2010

作者： Yew, Teh Jia Bin Samsudin, Khairulmizam Udzir, Nur Izura Department of Computer Systems and Communications Engineering Faculty of Engineering Serdang Malaysia Department of Computer Science Faculty of Computer Science and Information Technology Serdang Malaysia

ISBN: (纸本)9781424490554

Current method of computer security implementations are only software based. The future trend of security is shifting towards hardware and software based. We shall utilize the growing trend in security, the Trusted Platform Module (TPM) to prove that both hardware and software security implementation is feasible and effective. We hence, choose to utilize TPM for prevention of file system rootkit persistence. Such is performed utilizing the data signing capability provided by the TPM's signing keys-thus the construction of the Rootkit Resistant File-system (RRF) based on TPM. We shall further demonstrate that our RRF is comparable with Tripwire. © 2010 IEEE.

关键词： Trusted computing

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