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AutorhythmAI: A Hybrid Machine and Deep Learning Approach for Automated Diagnosis of Arrhythmias

Computers, Materials & Continua 2024年第2期78卷 2137-2158页

作者： s.Jayanthi s.Pr.s.nna Devi Department of Computer.s.ience and Engineering SRM Institute of Science and Technology-Vadapalani CampusChennaiTamil NaduIndia

In healthcare,the persistent challenge of arrhythmias,a leading cause of global mortality,has sparked extensive r.s.arch into the automation of detection using machine learning(ML)***,traditional ML and AutoML approaches have revealed their limitations,notably regarding feature generalization and automation *** glaring r.s.arch gap has motivated the development of AutorhythmAI,an innovative solution that integrates both machine and deep learning to revolutionize the diagnosis of *** approach encompasses two distinct pipelines tailored for binary-class and multi-class arrhythmia detection,effectively bridging the gap between data preprocessing and model *** validate our.s.stem,we have rigorously tested AutorhythmAI using a multimodal dataset,surpassing the accuracy achieved using a single dataset and underscoring the robustness of our *** the first pipeline,we employ signal filtering and ML algorithms for preprocessing,followed by data balancing and split for *** second pipeline is dedicated to feature extraction and classification,utilizing deep learning ***,we introduce the‘rrI-convoluted trans-former model’as a novel addition for binary-class *** ensemble-based approach then amalgamates all models,considering their r.s.ective weights,r.s.lting in an optimal model *** our.s.udy,the VGGr.s.Model achieved impr.s.ive r.s.lts in multi-class arrhythmia detection,with an accuracy of 97.39%and firm performance in precision(82.13%),recall(31.91%),and F1-score(82.61%).In the binary-class task,the proposed model achieved an outstanding accuracy of 96.60%.These r.s.lts highlight the effectiveness of our approach in improving arrhythmia detection,with notably high accuracy and well-balanced performance metrics.

关键词： Automated machine learning neural networks deep learning arrhythmias

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search for production of dark fermion candidates in association with heavy neutral gauge boson decaying to dimuon in proton-proton collisions at√s=8 TeV using CMs open data

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Chinese Physics C 2024年第4期48卷 6-13页

作者： Y.Mahmoud H.Abdallah M.T.Hussein s.Elgammal Centre for theoretical physics The British University in EgyptEgypt Physics Department Faculty of ScienceCairo UniversityEgypt

In this study,we conducted a search for dark matter using a part of the data recorded by the CMs experiment during run-I of the LHC in 2012 with a center of mass energy of 8 TeV and an integrated luminosity of 11.6 fb−*** data were gathered from the CMs open *** matter,in the framework of the simplified model(mono-Z′),can be produced from proton-proton collisions in association with a new hypothetical gauge boson,Z′.Thus,the search was conducted in the dimuon plus large missing transverse momentum *** benchmark scenario of mono-Z′,which is known as light vector,was used for interpreting the CMs open *** evidence of dark matter was observed,and exclusion limits were set on the masses of dark matter and Z′at 95%confidence level.

关键词： dark matter large hadron collider CMs open data search for new physics dark fermion

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Machine learning-enhanced Monte Carlo and subset simulations for advanced r.s. assessment in transportation infr.s.ructure

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Journal of Mountain science 2024年第2期21卷 690-717页

作者： Furquan AHMAD Pijush sAMUI s.s.MIsHrA Department of Civil Engineering National Institute of TechnologyPatna 800006India

The maintenance of safety and dependability in rail and road embankments is of utmost importance in order to facilitate the smooth operation of transportation *** study introduces a comprehensive methodology for.s.il slope stability evaluation,employing Monte Carlo simulation(MCs)and subset simulation(ss)with the"UPss 3.0 Add-in"in *** on an 11.693-meter embankment with a soil slope(inclination ratio of 2H:1V),the investigation considers earthquake coefficients(kh)and pore water pr.s.ure ratios(ru)following Indian zoning *** chance of slope failure showed a considerable increase as the Coefficient of Variation(COV),seismic coefficients(kh),and pore water pr.s.ure ratios(ru)experienced an *** ss approach showed exceptional efficacy in calculating odds of failure that are notably *** computational modeling,the study optimized the worst-case scenario using ANFIs-GA,ANFIs-GWO,ANFIs-PsO,and ANFIs-BBO *** ANFIs-PsO model exhibits exceptional accuracy(training r2=0.9011,r.s.=0.0549;testing r2=0.8968,r.s.=0.0615),emerging as the most *** study highlights the significance of conducting thorough r.s. assessments and offers practical insights into evaluating and improving the stability of soil slopes in transportation *** findings contribute to the enhancement of safety and reliability in real-world situations.

关键词： Monte Carlo simulation subset simulation Machine Learning seismic coefficient

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The magnetosheath at high spectral r.s.lution

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Earth and Planetary Physics 2024年第1期8卷 234-246页

作者： K.D.Küntz D.Koutroumpa W.r.Dunn A.Foster F.s.Porter D.G.sibeck B.Walsh The Henry A.rowland Department of Physics and Astronomy Johns Hopkins University3701 San Martin DriveBaltimoreMD21218USA NAsA Goddard space Flight Center 8800 Greenbelt RoadGreenbeltMD 20771USA LATMOs-OVsQ CNRSUVSQ Paris-SaclaySorbonne Université11 Boulevard d’Alembert78280GuyancourtFrance Department of Physics and Astronomy University College LondonLondonUK The Centre for Planetary science at UCL/Birkbeck Gower StreetLondon WC1E 6BTUK Center for Astrophysics Harvard University&Smithsonian Institution60 Garden StreetCambridgeMA 02138USA Center for.s.ace Physics Boston University110 Cummington MallBostonMAUSA

While we eagerly anticipate sMILE’s(solar wind Magnetosphere Ionosphere Link Explorer)unprecedented X-ray observations of the Earth’s magnetosheath and the initiation of a new era of magnetospheric r.s.arch,it seems appropriate to look ahead to the abilities of the next generation of astrophysics *** these,the Line Emission Mapper(LEM),a large aperture micro-calorimeter based mission,is currently planned to be able to observe the magnetosheath at high spectral r.s.lution(~2 eV).With a field of view of~30′,LEM will allow higher.s.atial r.s.lution and higher cadence measurement of the motion of a very small portion of the magnetopause over relatively short periods of time(multiple hours),complementing sMILE’s global ***’s strength is its spectral *** will be able to measure the abundance of a broad range of elements and ionization states,many of which are inaccessible to current in situ instruments,and will be able to separate the emission from the magnetosheath from the emission from the cosmic X-ray background using the difference in their relative velocities.

关键词： magnetosheath charge exchange solar wind abundances

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Enhancing the clinical relevance of haemorrhage prediction models in trauma

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Military Medical r.s.arch 2024年第3期11卷 467-468页

作者： sankalp Tandle Jared M.Wohlgemut Max E.r.Marsden Erhan Pisirir Evangelia Kyrimi rebecca s.stoner William Marsh Zane B.Perkins Nigel r.M.Tai Centre for Trauma sciences Blizard InstituteQueen Mary University of LondonLondon E12ATUK The royal London Hospital Barts Health NHS TrustLondon E11FRUK Academic Department of Military surgery and Trauma Research and Clinical InnovationThe Royal Centre for Defence MedicineBirmingham B152WBUK Department of Electronic Engineering and Computer.s.ience Queen Mary University of LondonLondon E14NSUK

We read with inter.s. the recent systematic reviewaArtificial intelligence and machine learning for hemorrhagic trauma careoby Peng et al.[1],which evaluated literature on machine learning(ML)in the management of trau... 详细信息

关键词： Trauma Injury Blood transfusion Massive transfusion Prediction Artificial intelligence Machine learning

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Ab Initio study on the reaction of La￣+ + CH_4→La+-CH￣2 + H_2

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Chinese Chemical Letters 1996年第11期7卷 1043-1046页

作者： Zhu r.s. Dai s.s. Department of Chemistry Yunnan University Kunming 650091

Ab initio study on the reaction or the ground state (a3F) and excited state (a1D) or La+with methane has been Performed. performed. channel on the singlet and triplet potential energysurface (PEs) has been examined and the reaction mechanism are discussed. Compar.s.ns betweensinglet and triplet PEss show that the ex￣ state (aiD) of La+ is more r￣ than its groundstate (a3F) due tO the sPin quantum number conservation with the more stable insertion intermediate for excited state (1D), which is in good agreement with the experiment.

关键词： CH~2 Ab Initio study on the reaction of La H2

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Electrical and optical properties of lithium borate glasses doped with Nd_2O_3

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Journal of rare Earths 2012年第8期30卷 785-789页

作者： r.s. Gedam D.D. ramteke Department of Applied Physics Visvesvaraya National Institute of Technology

Glass series with general formula 25Li2O-（75-x）B2O3-xNd2O3 was prepared by conventional melt quench technique. Electrical and optical characterizations of these glasses were carried out. It was observed that conductivity of glasses decreased and activation energy in- creased with the addition of Nd2O3. The density and refractive index of the glasses increased while optical band gap and radiation length de- creased due to structural changes.

关键词： conductivity density refractive index optical absorption Tauc's plot rare earths

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The r.s. of pr.s.ate cancer on incidental finding of an avid pr.s.ate uptake on 2-deoxy-2-[^(18)F]fluoro-D-glucose positron emission tomography/computed tomography for non-pr.s.ate cancer-related pathology:A single centre retr.s.ective study

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Asian Journal of Urology 2024年第1期11卷 33-41页

作者： Anthony Franklin Troy Gianduzzo Boon Kua David Wong Louise McEwan James Walters rachel Esler Matthew J.roberts Geoff Coughlina John W.Yaxley Department of Urology The Wesley HospitalBrisbaneQLDAustralia Wesley Medical r.s.arch BrisbaneQLDAustralia school of Medicine The University of QueenslandBrisbaneQLDAustralia Department of radiology Wesley Medical ImagingBrisbaneQLDAustralia Department of Urology Royal Brisbane and Women's HospitalBrisbaneQLDAustralia

Objective:To review the r.s. of pr.s.ate cancer(PCa)in men with incidentally reported increased intrapr.s.atic uptake at 2-deoxy-2-[18F]fluoro-d-glucose positron emission tomography/computed tomography(18F-FDG PET/CT)ordered at Department of Urology,The Wesley Hospital,Br.s.ane,QLD,Australia for non-PCa related ***:retr.s.ective analysis of consecutive men between August 2014 and August 2019 pr.s.nting to a single institution for 18F-FDG PET/CT for non-pr.s.ate related conditions was *** were classified as benign,indeterminate,or malignant depending of the r.s.lts of pr.s.ate-specific antigen(PsA),PsA velocity,biopsy histopathology,and three-Tesla(3 T)multiparametric MrI(mpMrI)Pr.s.ate Imaging reporting and Data system score,or gallium-68-pr.s.ate-specific membrane antigen(68Ga-PsMA)PET/CT ***:Three percent(273/9122)of men demonstrated 18F-FDG avidity within the ***-five percent(231/273)were further investigated,including with PsA tests(227/231,98.3%),3 T mpMrI(68/231,29.4%),68Ga-PsMA PET/CT(33/231,14.3%),and pr.s.ate biopsy(57/231,24.7%).r.s.lts were considered benign in 130/231(56.3%),indeterminate in 31/231(13.4%),and malignant in 70/231(30.3%).PCa was identified in 51/57(89.5%)of the men who proceeded to biopsy,including 26/27(96.3%)men with Pr.s.ate Imaging reporting and Data system scor.s.4-5 mpMrI and six men with a positive 68Ga-PsMA PET/*** most common Gleason score on biopsy was greater than or equal to 4+5(14/51,27.5%).68Ga-PsMA PET/CT was concordant with the 18F-FDG findings in 26/33(78.8%).All 13 men with a positive concordant 18F-FDG,3 T mpMrI,and 68Ga-PsMA PET/CT had PCa on *** was no statistically significant difference in the 18F-FDG maximum standardized uptake value between the benign or malignant groups(5.7 vs.6.1;p=0.580).Conclusion:In this study,after an incidental finding of an avid intrapr.s.atic lesion on 18F-FDG PET/CT,70 of the 231 cases(30.3%;0.8%of the entire cohort)had r.s.lts c

关键词： Pr.s.atecancer Positionemission tomography Multiparametric magneticr.s.nance imaging Pr.s.atebiopsy

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Wood anatomy chronologies of scots pine in the foothills of the Western sayan(siberia)

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Journal of For.s.ry r.s.arch 2024年第3期35卷 13-27页

作者： Elena A.Babushkina Dmitry r.Dergunov Mikhail s.Zharkov Liliana V.Belokopytova Dina F.Zhirnova Bao Yang Jingjing Liu Xiaomei Peng Eugene A.Vaganov Khakass Technical Institute Siberian Federal UniversityAbakan 655017Russia Institute of Ecology and Geography Siberian Federal UniversityKrasnoyarsk 660036Russia Mathematical Methods and IT Department Siberian Federal UniversityKrasnoyarsk 660036Russia Key Laboratory of Desert and Desertification Northwest Institute of Eco-Environment and ResourcesChinese Academy of SciencesLanzhou 730000People's Republic of China school of Geographic and Oceanographic sciences Nanjing UniversityNanjing 210093People's Republic of China Department of Dendroecology V.N.Sukachev Institute of ForestSiberian Branch of the Russian Academy of ScienceKrasnoyarsk 660036Russia

recent methodological advances in quantitative wood anatomy have provided new insights into the climatic r.s.onses of radial growth at the scale of cell structure of tree rings. This study considered long-term chronologies of tracheid measurements, indexed by a novel approach to separate their.s.ecific climatic r.s.onses from signal recorded in cell production(closely reflected in tree-ring width). To fill gaps in understanding the impact of climate on conifer xylem structure, scots pine(Pinus sylvestr.s.L.)trees > 200 years old were selected within the for.s.-steppe zone in southern siberia. such habitats undergo mild moisture deficits and the r.s.lting climatic regulation of growth processes. Mean and maximum values of cell radial diameter and cell wall thickness were recorded for each tree *** a low level of climatogenic str.s., components of cell chronologies independent of cambial activity were separated to obtain significant climatic signals revealing the timing of the specific stages of tracheid differentiation. Cell expansion lasted from mid-April to July and was impacted similarly to tree-ring width(stimulated by precipitation and str.s.ed by heat), maximum cell size formed late June. A switch in the climatic r.s.onses of mean anatomical traits indicated transition to latewood in mid-July. secondary wall deposition lasted until mid-september, suppr.s.ed by end of season temperatur.s. Generally, anatomical climatic r.s.onses were modulated by a less dry May and september compared with summer months.

关键词： Quantitative wood anatomy Cell radial size Cell wall thickness Pinus sylvestris Climatic r.s.onse

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Interatomic Interaction Models for Magnetic Materials:recent Advances

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Chinese Physics Letters 2024年第6期41卷 54-66页

作者： Tatiana s.Kostiuchenko Alexander V.shapeev Ivan s.Novikov Emanuel Institute of Biochemical Physics rAs 4 Kosygin StreetMoscow119334Russian Federation Independent investigator

Atomistic modeling is a widely employed theoretical method of computational materials *** has found particular utility in the study of magnetic ***,magnetic empirical interatomic potentials or.s.inpolarized density functional theory(DFT)served as the primary models for describing interatomic interactions in atomistic simulations of magnetic ***,in recent years,a new class of interatomic potentials known as magnetic machine-learning interatomic potentials(magnetic MLIPs)has *** MLIPs combine the computational efficiency,in ter.s.of CPU time,of empirical potentials with the accuracy of DFT *** this review,our focus lies on providing a comprehensive summary of the interatomic interaction models developed specifically for investigating magnetic *** also delve into the various problem classes to which these models can be ***,we offer insights into the future pr.s.ects of interatomic interaction model development for the exploration of magnetic materials.

关键词： materials interaction empirical

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