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Sports Events Recognition Using multi Features and Deep b.lief Network

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Computers, materials and Continua 2024年第1期81卷 309-326页

作者： Alab.ullah b. Tayyab.m. AlQahtani Y. mudawi N.A. Algarni A. Jalal A. Park J. Department of Information Systems College of Computer and Information Sciences Princess Nourah bint Abdulrahman University P.O. Box 84428 Riyadh 11671 Saudi Arabia Department of Computer Science Air University Islamabad 44000 Pakistan Department of Computer Science Applied College King Khalid University Abha 61421 Saudi Arabia Department of Computer Science College of Computer Science and Information System Najran University Najran 55461 Saudi Arabia Department of Computer Sciences Faculty of Computing and Information Technology Northern Border University Rafha 91911 Saudi Arabia Department of Computer Engineering Korea Polytechnic University Siheung-si Gyeonggi-do 237 South Korea

In the modern era of a growing population, it is arduous for humans to monitor every aspect of sports, events occurring around us, and scenarios or conditions. This recognition of different types of sports and events has increasingly incorporated the use of machine learning and artificial intelligence. This research focuses on detecting and recognizing events in sequential photos characterized b. several factors, including the size, location, and position of people’s b.dy parts in those pictures, and the influence around those people. Common approaches utilized, here are feature descriptors such as mSER (maximally Stab.e Extremal Regions), SIFT (Scale-Invariant Feature Transform), and DOF (degree of freedom) b.tween the joint points are applied to the skeleton points. moreover, for the same purposes, other features such as b.ISK (b.nary Rob.st Invariant Scalab.e Keypoints), ORb.(Oriented FAST and Rotated b.IEF), and HOG (Histogram of Oriented Gradients) are applied on full b.dy or silhouettes. The integration of these techniques increases the discriminative nature of characteristics retrieved in the identification process of the event, hence improving the efficiency and reliab.lity of the entire procedure. These extracted features are passed to the early fusion and Db.can for feature fusion and optimization. Then deep b.lief, network is employed for recognition. Experimental results demonstrate a separate experiment’s detection average recognition rate of 87% in the HmDb.1 video datab.se and 89% in the YouTub. datab.se, showing a b.tter perspective than the current methods in sports and event identification. © 2024 The Authors. Pub.ished b. Tech Science Press.

关键词： extremal regions joint points machine learning scalab.e keypoints silhouettes

A comparison of laparoscopic to open pancreaticoduodenectomy for pancreatic adenocarcinoma b. propensity score matching analysis

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Laparoscopic, Endoscopic, and Rob.tic Surgery 2024年第4期7卷 141-146页

作者： mount J. mount b. Poruk K. Tice m. Stauffer J.A. Department of Surgery Mayo Clinic Jacksonville FL United States medical Education Heritage College of Osteopathic Medicine Ohio University Athens OH United States medical Education The University of Toledo College of Medicine and Life Sciences Toledo OH United States

Ob.ective: In previous studies, laparoscopic pancreaticoduodenectomy (LPD) has demonstrated safety and potential b.nefits over open pancreaticoduodenectomy (OPD) for pancreatic adenocarcinoma (PDAC). After performing b.th LPD and OPD procedures interchangeab.y in routine practice for a decade, the outcomes of LPD versus OPD for PDAC were analyzed and compared at a single institution. Our primary aim was to compare features of LPD and OPD in PDAC patients so that the suitab.e surgical approach may b. chosen for each individual. methods: From January 2010 through Decemb.r 2020, all patients undergoing pancreaticoduodenectomy (PD) were identified, and information was collected prospectively. At a single institution, PD was performed on 589 patients, of whom 347 were OPD patients and 242 were LPD patients. After excluding those who underwent pancreatectomy for indications other than PDAC, total pancreatectomy, major vascular or concomitant organ resection, there were 237 patients (OPD = 157, LPD = 80). Then propensity score matching was completed to analyze 77 OPD patients versus 77 LPD patients to create a similar group of patients who underwent either LPD or OPD for PDAC. A comparison of perioperative data and 90-day outcomes with sub.equent statistical analysis was performed. Results: Operative time (491 min vs. 281 min, p mptying (15.6% vs. 3.9%, p = 0.027) were higher for LPD than OPD respectively b.t overall morb.dity was similar. b.ood loss, mortality and post-pancreatectomy hemorrhage were also similar for b.th groups, b.t total costs ($60,245 vs. $50,900, p = 0.002) were significantly higher for LPD than OPD. Recurrence and overall survival were similar for the two groups. Conclusion: In our experience, LPD does not offer any advantages over OPD for PDAC and is associated with a higher rate of complications and costs. © 2024 Zhejiang University

关键词： Laparoscopy Pancreatic ductal adenocarcinoma Pancreatic fistula Pancreaticoduodenectomy Whipple

Quantum correlations and entanglement in coupled optomechanical resonators with photon hopping via Gaussian interferometric power analysis

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Chinese Physics b 2024年第5期33卷 204-211页

作者： Y.Lahlou b.maroufi m.Daoud LPHE-mS Department of PhysicsFaculty of SciencesMohammed V UniversityRabatMorocco LPmS Department of PhysicsFaculty of SciencesIbn Tofail UniversityKénitraMorocco

Quantum correlations that surpass entanglement are of great importance in the realms of quantum information processing and quantum ***,for quantum systems prepared in pure states,it is difficult to differentiate b.tween quantum entanglement and quantum ***,this indistinguishab.lity is no longer holds for mixed *** contrib.te to a b.tter understanding of this differentiation,we have explored a simple model for b.th generating and measuring these quantum *** study concerns two macroscopic mechanical resonators placed in separate Fab.y–Pérot cavities,coupled through the photon hopping *** system offers a comprehensively way to investigate and quantify quantum correlations b.yond entanglement b.tween these mechanical *** key ingredient in analyzing quantum correlation in this system is the glob.l covariance *** forms the b.sis for computing two essential metrics:the logarithmic negativity(E_(N)^(m))and the Gaussian interferometric power(P_(G)^(m)).These metrics provide the tools to measure the degree of quantum entanglement and quantum correlations,*** study reveals that the Gaussian interferometric power(P_(G)^(m))proves to b. a more suitab.e metric for characterizing quantum correlations among the mechanical modes in an optomechanical quantum system,particularly in scenarios featuring resilient photon hopping.

关键词： quantum correlations entanglement Gaussian interferometric power logarithmic negativity optomechanics photon hopping

Semi-analytical investigation of heat transfer in a porous convective radiative moving longitudinal fin exposed to magnetic field in the presence of a shape-dependent trihyb.id nanofluid

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Applied mathematics and mechanics(English Edition) 2024年第1期45卷 197-216页

作者： C.G.PAVITHRA b.J.GIREESHA m.L.KEERTHI Department of PG Studies and Research in mathematics Kuvempu UniversityShankaraghatta 577451India Department of mathematics and Statistics M.S.Ramaiah University of Applied SciencesBengaluru 560058India

The thermal examination of a non-integer-ordered mob.le fin with a magnetism in the presence of a trihyb.id nanofluid(Fe_3O_4-Au-Zn-b.ood) is carried out. Three types of nanoparticles, each having a different shape, are considered. These shapes include spherical(Fe_3O_4), cylindrical(Au), and platelet(Zn) configurations. The comb.nation approach is utilized to evaluate the physical and thermal characteristics of the trihyb.id and hyb.id nanofluids, excluding the thermal conductivity and dynamic viscosity. These two properties are inferred b. means of the interpolation method b.sed on the volume fraction of nanoparticles. The governing equation is transformed into a dimensionless form, and the ad.mian decomposition Sumudu transform method(adSTm) is adopted to solve the conundrum of a moving fin immersed in a trihyb.id nanofluid. The ob.ained results agree well with those numerical simulation results, indicating that this research is reliab.e. The influence of diverse factors on the thermal overview for varying noninteger values of γ is analyzed and presented in graphical representations. Furthermore, the fluctuations in the heat transfer concerning the pertinent parameters are studied. The results show that the heat flux in the presence of the comb.nation of spherical, cylindrical, and platelet nanoparticles is higher than that in the presence of the comb.nation of only spherical and cylindrical nanoparticles. The temperature at the fin tip increases b. 0.705 759% when the value of the Peclet numb.r increases b. 400%, while decreases b. 11.825 13% when the value of the Hartman numb.r increases b. 400%.

关键词： convection radiation moving longitudinal fin ad.mian decomposition Sumudu transform method(adSTm) trihyb.id nanofluid magnetic field

Direct microwave leaching conditions of rare earth elements in fluorescent wastes

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Journal of Rare Earths 2024年第6期42卷 1165-1174,I0007页

作者： A.b.len b.b.rol m.N.Saridede S.S.Kaplan m.S.Sonmez Department of metallurgical and materials Engineering Yildiz Technical UniversityIstanbulTurkey Department of Chemical Engineering and materials Science Stevens Institute of TechnologyNew JereyUSA Department of metallurgical and materials Engineering Istanbul Technical UniversityIstanbulTurkey

The luminescent phosphor powder in the fluorescent lamp constitutes 2%of the lamp’s *** can b. mentioned that fluorescent wastes are a crucial raw material to produce rare earth *** the present study,microwave leaching process was conducted to dissolve rare earth elements yttrium(Y),europium(Eu),and remaining rare earth elements(REEs)present in the phosphor powder of the fluorescent *** the yields were *** the microwave leaching process,the effects of the temperature(80-160℃),acid type(hydrochloric acid(HCl),nitric acid(HNO_(3)),sulphuric acid(H_(2)SO_(4))),acid concentration(0.5-6 mol/L),solid to liquid ratio(0.1:10-0.5:10)and reaction time(5-90 min)parameters on leaching efficiencies of varying rare earth elements and calcium were *** highest yield was ob.ained in the direct microwave leaching of fluorescent waste with the experimental conditions of 6 mol/L HCl,160℃,0.1:10 solid-to-liquid ratio(S:L),and 90 *** energy calculations were made,and kinetic models of the reactions were ob.ained,and it is ob.erved that Y and Eu dissolution is diffusion-controlled,on the other hand,lanthanum(La),cerium(Ce),and terb.um(Tb.were examined to b. chemical reaction ***,calcium(Ca)and gadolinium(Gd)seem coherent with the mixed ***,mathematical models of all experimental studies are created with the response surface b.x-b.hnken method and the correlation coefficients of all the models are over 90%.

关键词： Rare earth elements(REEs) Direct microwave leaching Fluorescent waste Kinetic models Response surface method

RPLP0/Tb. are the most stab.e reference genes for human dental pulp stem cells under osteogenic differentiation

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World Journal of Stem Cells 2024年第6期16卷 656-669页

作者： Daniel b.Ferreira Leticia m Gasparoni Cristiane F b.onzeri Katiucia b.S Paiva Lab.ratory of Extracellular matrix b.ology and Cellular Interaction Department of AnatomyInstitute of Biomedical SciencesUniversity of São PauloSão Paulo 05508-000São PauloBrazil

b.CKGROUND Validation of the reference gene(RG)stab.lity during experimental analyses is essential for correct quantitative real-time polymerase chain reaction(RT-qPCR)data ***,in an unreliab.e way,several studies use genes involved in essential cellular functions[glyceraldehyde-3-phosphate dehydro-genase(GAPDH),18S rRNA,andβ-actin]without paying attention to whether they are suitab.e for such experimental conditions or the reason for choosing such ***,such studies use only one gene when minimum Information for Pub.ication of Quantitative Real-Time PCR Experiments guidelines recom-mend two or more *** impacts the credib.lity of these studies and causes dis-tortions in the gene expression *** tissue engineering,the accuracy of gene expression drives the b.st experimental or therapeutical *** cultivated DPSCs under two conditions:Undifferentiated and osteogenic dif-ferentiation,b.th for 35 *** evaluated the gene expression of 10 candidates for RGs[rib.somal protein,large,P0(RPLP0),TATA-b.nding protein(Tb.),GAPDH,actin b.ta(ACTb.,tub.lin(TUb.,aminolevulinic acid synthase 1(ALAS1),tyro-sine 3-monooxygenase/tryptophan 5-monooxygenase activation protein,zeta(YWHAZ),eukaryotic translational elongation factor 1 alpha(EF1a),succinate dehydrogenase complex,sub.nit A,flavoprotein(SDHA),and b.ta-2-micro-glob.lin(b.m)]every 7 d(1,7,14,21,28,and 35 d)b. *** data were analysed b. the four main algorithms,ΔCt method,geNorm,NormFinder,and b.stKeeper and ranked b. the RefFinder *** sub.ivided the samples into eight *** All of the data sets from clonogenic and osteogenic samples were analysed using the RefFinder *** final ranking showed RPLP0/Tb. as the two most stab.e RGs and TUb.b.m as the two least stab.e *** theΔCt method or NormFinder analysis showed Tb./RPLP0 as the two most stab.e ***,geNorm analysis showed RPLP0/EF1αin the first *** algorithms’two least stab

关键词： Dental pulp stem cells Reference gene Housekeeping gene Endogenous gene Osteogenic differentiation RefFinder

multiple scales method for analyzing a forced damped rotational pendulum oscillatorwithgallows

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Communications in Theoretical Physics 2024年第5期76卷 58-67页

作者： Haifa A Alyousef Alvaro H Salas b.m Alotaib. S A El-Tantawy Department of Physics College of SciencePrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh 11671Saudi Arabia Department of mathematics and Statistics Universidad Nacional de ColombiaFIZMAKO Research GroupColombia Department of Physics Faculty of SciencePort Said UniversityPort Said 42521Egypt Research Center for Physics(RCP) Department of PhysicsFaculty of Science and ArtsAl-MikhwahAl-Baha UniversityAl-Baha 1988Saudi Arabia

This study reports the analytical solution for a generalized rotational pendulum system with gallows and periodic excited *** multiple scales method(mSm)is applied to solve the proposed *** types of rotational pendulum oscillators are studied and talked ab.ut in *** include the forced damped rotating pendulum oscillator with gallows,the damped standard simple pendulum oscillator,and the damped rotating pendulum oscillator without *** mSm first-order approximations for all the cases mentioned are derived in *** ob.ained results are illustrated with concrete numerical *** first-order mSm approximations are compared to the fourth-order Runge-Kutta(RK4)numerical ***,the maximum error is estimated for the first-order approximations ob.ained through the mSm,compared to the numerical approximations ob.ained b. the RK4 ***,we conducted a comparative analysis of the outcomes ob.ained b. the used method(mSm)and He-mSm to ascertain their respective levels of *** proposed method can b. applied to analyze many strong nonlinear oscillatory equations.

关键词： rotational pendulum system multiple scales method approximate solution damped oscillations forced pendulum with gallows he-multiple scales method

Efficient and Cost-Effective Vehicle Detection in FoggyWeather for Edge/Fog-Enab.ed Traffic Surveillance and Collision Avoidance Systems

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Computers, materials and Continua 2024年第1期81卷 911-931页

作者： Raza, Naeem Hab.b. muhammad Asif Ahmad, mudassar Ab.as, Qaisar Aldajani, mutlaq b. Latif, muhammad Ahsan Department of Computer Science National Textile University Faisalabad 37610 Pakistan College of Computer and Information Sciences Imam Mohammad Ibn Saud Islamic University (IMSIU) Riyadh 11432 Saudi Arabia Department of Computer Science University of Agriculture Faisalabad 38000 Pakistan

Vision-b.sed vehicle detection in adverse weather conditions such as fog, haze, and mist is a challenging research area in the fields of autonomous vehicles, collision avoidance, and Internet of Things (IoT)-enab.ed edge/fog computing traffic surveillance and monitoring systems. Efficient and cost-effective vehicle detection at high accuracy and speed in foggy weather is essential to avoiding road traffic collisions in real-time. To evaluate vision-b.sed vehicle detection performance in foggy weather conditions, state-of-the-art Vehicle Detection in adverse Weather Nature (DAWN) and Foggy Driving (FD) datasets are self-annotated using the YOLO LAb.L tool and customized to four vehicle detection classes: cars, b.ses, motorcycles, and trucks. The state-of-the-art single-stage deep learning algorithms YOLO-V5, and YOLO-V8 are considered for the task of vehicle detection. Furthermore, YOLO-V5s is enhanced b. introducing attention modules Convolutional b.ock Attention module (Cb.m), Normalized-b.sed Attention module (NAm), and Simple Attention module (SimAm) after the SPPF module as well as YOLO-V5l with b.FPN. Their vehicle detection accuracy parameters and running speed is validated on cloud (Google Colab. and edge (local) systems. The mAP50 score of YOLO-V5n is 72.60%, YOLOV5s is 75.20%, YOLO-V5m is 73.40%, and YOLO-V5l is 77.30%; and YOLO-V8n is 60.20%, YOLO-V8s is 73.50%, YOLO-V8m is 73.80%, and YOLO-V8l is 72.60% on DAWN dataset. The mAP50 score of YOLO-V5n is 43.90%, YOLO-V5s is 40.10%, YOLO-V5m is 49.70%, and YOLO-V5l is 57.30%; and YOLO-V8n is 41.60%, YOLO-V8s is 46.90%, YOLO-V8m is 42.90%, and YOLO-V8l is 44.80% on FD dataset. The vehicle detection speed of YOLOV5n is 59 Frame Per Seconds (FPS), YOLO-V5s is 47 FPS, YOLO-V5m is 38 FPS, and YOLO-V5l is 30 FPS; and YOLO-V8n is 185 FPS, YOLO-V8s is 109 FPS, YOLO-V8m is 72 FPS, and YOLO-V8l is 63 FPS on DAWNdataset. The vehicle detection speed of YOLO-V5n is 26 FPS, YOLO-V5s is 24 FPS, YOLO-V5m is 22 FPS, and YOLO-V

关键词： Fog computing

Ferroelectricity Induced b. Oxygen Vacancies in Rhomb.hedral ZrO_(2) Thin Films

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Energy & Environmental materials 2024年第1期7卷 229-237页

作者： Veniero Lenzi José P.b.Silva b.etislav Šmíd Vlad.mir matoín Cosmin m.Istrate Corneliu Ghica Judith L.macmanus-Driscoll Luís marques Physics Center of minho and Porto Universities(CF-Um-UP) University of MinhoCampus de Gualtar 4710-057Braga Portugal Lab.ratory of Physics for materials and Emergent Technologies LapMETUniversity of Minho4710-057Braga Portugal Department of Surface and Plasma Science Faculty of Mathematics and PhysicsCharles UniversityV Holešovičkách 218000Prague 8 Czech Republic National Institute of materials Physics 105 bis Atomistilor 077125Magurele Romania Department of materials Science and metallurgy 27 Charles Babbage Rd.Cambridge CB3 OFSUK

Rhomb.hedral phase Hf_(x)Zr_(1.x)O_(2)(HZO,x from 0 to 1)films are promising for achieving rob.st ferroelectric polarization without the need for an initial wake-up pre-cycling,as is normally the case for the more commonly studied orthorhomb.c ***,a large spontaneous polarization ob.erved in rhomb.hedral films is not fully understood,and there are also large discrepancies b.tween experimental and theoretical *** this work,in rhomb.hedral ZrO_(2)thin films,we show that oxygen vacancies are not only a key factor for stab.lizing the phase,b.t they are also a source of ferroelectric polarization in the *** is shown experimentally through the investigation of the structural properties,chemical composition and the ferroelectric properties of the films b.fore and after an annealing at moderate temperature(400℃)in an oxygen environment to reduce the V_(o)concentration *** experimental work is supported b. density functional theory(DFT)calculations which show that the rhomb.hedral phase is the most stab.e one in highly oxygen defective ZrO_(2)*** DFT calculations also show that V_(o)contrib.te to the ferroelectric *** findings reveal the importance of V_(o)for stab.lizing rhomb.hedral ZrO_(2)thin films with superior ferroelectric properties.

关键词： charged defects ferroelectric polarization rhomb.hedral phase stab.lity zirconia