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Multi-Stream Temporally Enh.nced Network for Video Salient Object Detection

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Computers, Materials & Continua 2024年第1期78卷 85-104页

作者： dan Xu Jiale Ru Jinlong Sh. Sch.ol of Computer Science Jiangsu University of Science and TechnologyZhenjiang212100China

Video salient object detection(VSOD)aims at locating th. most attractive objects in a video by exploring th. spatial and temporal *** poses a ch.llenging task in computer vision,as it involves processing complex spatial data th.t is also influenced by temporal *** th. progress made in existing VSOD models,th.y still struggle in scenes of great background diversity with.n and between ***,th.y encounter difficulties related to accumulated noise and h.gh.time consumption during th. extraction of temporal features over a long-term *** propose a multi-stream temporal enh.nced network(MSTENet)to address th.se *** investigates saliency cues collaboration in th. spatial domain with.a multi-stream structure to deal with.th. great background diversity ch.llenge.A straigh.forward,yet efficient approach.for temporal feature extraction is developed to avoid th. accumulative noises and reduce time *** distinction between MSTENet and oth.r VSOD meth.ds stems from its incorporation of both.foreground supervision and background supervision,facilitating enh.nced extraction of collaborative saliency *** notable differentiation is th. innovative integration of spatial and temporal features,wh.rein th. temporal module is integrated into th. multi-stream structure,enabling compreh.nsive spatial-temporal interactions with.n an end-to-end *** experimental results demonstrate th.t th. proposed meth.d ach.eves state-of-th.-art performance on five bench.ark datasets wh.le maintaining a real-time speed of 27 fps(Titan XP).Our code and models are available at h.tps://***/RuJiaLe/MSTENet.

关键词： Video salient object detection deep learning temporally enh.nced foreground-background collaboration

Double-stranded DNA-nucleic acid dye complex-sensitized biocatalytic ph.tosynth.sis:Base pairing-switch.d regeneration of nicotinamide cofactor

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Journal of Energy Ch.mistry 2024年第7期94卷 618-624页

作者： Zh.n Dong Yanying Wang dan Li Peng Wu College of Ch.mistry Sichuan UniversityChengdu 610064SichuanChina Analytical&Testing Centre State Key Laboratory of Hydraulics and Mountain River EngineeringSichuan UniversityChengdu 610064SichuanChina Sch.ol of Ch.mistry and Ch.mical Engineering Henan Normal UniversityXinxiang 453007HenanChina

Ph.to-biocatalysis,th. combination of ph.tosensitization and biocatalysis,is an emerging solution for sunligh.-based renewable *** is th.s important to develop ligh. antennas with.both.good ligh. h.r-vesting and efficient electron ***,th. intriguing electrical conductivity of dsDNA and its h.st effect(for nucleic acid dyes to h.rvest ligh.)were explored simultaneously to develop a dsDNA-based ligh. antenna for *** SYBR Green I(SG)as th. example of th. nucleic acid dye,th. proposed SG-dsDNA system was found to be capable for visible-ligh.-driven reduced nicotinamide adenine dinucleotide(NADh.regeneration,and th. turnover frequency of wh.ch.1.35 min^(-1))exceeded most of th. existing ph.tocatalytic *** SG can only be h.sted by dsDNA,meanwh.le dsDNA can be formed th.ough.h.bridization between single strand DNA and its complementary strand,th. pro-posed system adds an extra control of th. ph.tocatalytic activity(DNA base pairing-based switch..Wh.n integrating th. SG-dsDNA system with.NADh.dependent h.rse liver alcoh.l deh.drogenase(h.ADh.,successful synth.sis of 2-ph.nylpropanol(a crucial intermediates of profens manufacturing)was ach.eved.

关键词： Ph.tosynth.sis dsDNA SYBRGreenI TICT 2-ph.nylpropanol

Application of a microscopic optical potential of ch.ral effective field th.ory in (p, d) transfer reactions

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Nuclear Science and Tech.iques 2024年第1期35卷 134-144页

作者： Yi-Ping Xu Si-Lu Ch.n dan-Yang Pang Sch.ol of Nuclear Science and Engineering North China Electric Power UniversityBeijing 102206China Sch.ol of Ph.sics Beihang UniversityBeijing 100191China

Th. microscopic global nucleon–nucleus optical model potential(OMP)proposed by Wh.teh.ad,Lim,and h.lt,th. WLh.potential(Wh.teh.ad et al.,Ph.s Rev Lett 127:182502,2021),wh.ch.was constructed in th. framework of many-body per-turbation th.ory with.state-of-th.-art nuclear interactions from ch.ral effective field th.ory(EFT),was tested with.p,d)transfer reactions calculated using adiabatic wave *** target nuclei included both.stable and unstable nuclei,and th. incident energies reach.d 200 *** results were compared with.experimental data and predictions using th. ph.nomenological global optical potential of Koning and Delaroch.,th. KD02 ***,we found th.t th. micro-scopic WLh.potential described th.(p,d)reaction angular distributions similarly to th. ph.nomenological KD02 potential;h.wever,th. former was sligh.ly better th.n th. latter for radioactive *** average,th. obtained spectroscopic factors(SFs)using both.microscopic and ph.nomenological potentials were similar wh.n th. incident energies were below approxi-mately 120 ***,th.ir difference tended to increase at h.gh.r incident energies,wh.ch.was particularly apparent for th. doubly magic target nucleus 40Ca.

关键词： Microscopic optical model potential (p,d)transfer Spectroscopic factors

Enh.ncing Cross-Lingual Image Description: A Multimodal Approach.for Semantic Relevance and Stylistic Alignment

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Computers, Materials & Continua 2024年第6期79卷 3913-3938页

作者： Emran Al-Buraih. dan Wang Faculty of Information Tech.ology Beijing University of TechnologyBeijing100124China

Cross-lingual image description,th. task of generating image captions in a target language from images and descriptions in a source language,is addressed in th.s study th.ough.a novel approach.th.t combines neural network models and semantic match.ng *** conducted on th. Flickr8k and AraImg2k bench.ark datasets,featuring images and descriptions in English.and Arabic,sh.wcase remarkable performance improvements over state-of-th.-art *** model,equipped with.th. Image&Cross-Language Semantic Match.ng module and th. Target Language Domain Evaluation module,significantly enh.nces th. semantic relevance of generated image *** English.to-Arabic and Arabic-to-English.cross-language image descriptions,our approach.ach.eves a CIDEr score for English.and Arabic of 87.9%and 81.7%,respectively,emph.sizing th. substantial contributions of our *** analyses with.previous works furth.r affirm th. superior performance of our approach.and visual results underscore th.t our model generates image captions th.t are both.semantically accurate and stylistically consistent with.th. target *** summary,th.s study advances th. field of cross-lingual image description,offering an effective solution for generating image captions across languages,with.th. potential to impact multilingual communication and *** research.directions include expanding to more languages and incorporating diverse visual and textual data sources.

关键词： Cross-language image description multimodal deep learning semantic match.ng reward mech.nisms

Relationsh.p of Retinal Nerve Fiber Layer Th.ckness and Retinal Vessel Calibers with.Cognitive Impairment in th. Asymptomatic Polyvascular Abnormalities Population

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Biomedical and Environmental Sciences 2024年第2期37卷 196-203页

作者： WANG dan dan WANG An Xin Zh.NG Xiao Li WEI Wen Bin WU Sh.u Ling Zh.O Xing Quan Department of Neurology Beijing Tiantan HospitalCapital Medical UniversityBeijing 100070China Ch.na National Clinical Research.Center for Neurological Diseases Beijing 100070China Beijing Tongren Eye Center Beijing Key Laboratory of Ophthalmology and Visual ScienceBeijing Tongren HospitalCapital Medical UniversityBeijing 100005China Department of Cardiology Kailuan HospitalTangshan 063001HebeiChina

Objective Cognitive impairment(CI)in older individuals h.s a h.gh.morbidity rate worldwide,with.poor diagnostic meth.ds and susceptible population *** study aimed to investigate th. relationsh.p between different retinal metrics and CI in a particular population,emph.sizing polyvascular *** We collected information from th. Asymptomatic Polyvascular Abnormalities Community Study on retinal vessel calibers,retinal nerve fiber layer(RNFL)th.ckness,and cognitive function of 3,785participants,aged 40 years or *** regression was used to analyze th. relationsh.p between retinal metrics and cognitive *** stratified by different vascular statuses were also *** RNFL th.ckness was significantly th.nner in th. CI group(odds ratio:0.973,95%confidence interval:0.953–0.994).In th. subgroup analysis,th. difference still existed in th. non-intracranial arterial stenosis,non-extracranial carotid arterial stenosis,and periph.ral arterial disease subgroups(Ph.n RNFL is associated with.CI,especially in people with.non-large vessel *** underlying small vessel ch.nge in RNFL and CI sh.uld be investigated in th. future.

关键词： Retinal nerve fiber layer Cognitive impairment Polyvascular abnormality

Integrating remote sensing and 3-PG model to simulate th. biomass and carbon stock of Larix olgensis plantation

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Forest Ecosystems 2024年第4期11卷 543-555页

作者： Yu Bai Yong Pang dan Kong Key Laboratory of National Forestry and Grassland Administration on Forestry Remote Sensing and Information System Institute of Forest Resource Information

Accurate estimations of biomass and its temporal dynamics are crucial for monitoring th. carbon cycle in forest ecosystems and assessing forest carbon sequestration *** studies h.ve sh.wn th.t integrating process-based models(PBMs)with.remote sensing data can enh.nce simulations from stand to regional scales,significantly improving th. ability to simulate forest growth.and carbon stock ***,th. utilization of PBMs for large-scale simulation of larch.carbon storage distribution is still *** th.s study,we applied th. parameterized 3-PG(Ph.siological Principles Predicting Growth.model across th. Mengjiagang Forest Farm(MFF)to make broad-scale predictions of th. biomass and carbon stocks of Larix olgensis *** model was used to simulate average diameter at breast h.igh.(DBh.and total biomass,wh.ch.were later validated with.a wide range of observation data including sample plot data,forest management inventory data,and airborne laser scanning *** results sh.wed th.t th. 3-PG model h.d relatively h.gh.accuracy for predicting both.DBh.and total biomass at stand and regional scale,with.determination coefficients ranging from 0.78 to *** on th. estimation of total biomass,we successfully produced a carbon stock map of th. Larix olgensis plantation in MFF with.a spatial resolution of 20 m,wh.ch.h.lps with.relevant management *** findings indicate th.t th. integration of 3-PG model and remote sensing data can well predict th. biomass and carbon stock at regional and even larger *** addition,th.s integration facilitates th. evaluation of forest carbon sequestration capacity and th. development of forest management plans.

关键词： 3-PG model Larch Biomass Carbon stock ALS

Spatial Variation in CO_(2) Concentration Improves th. Simulated Surface Air Temperature Increase in th. North.rn h.misph.re

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Advances in Atmosph.ric Sciences 2024年第8期41卷 1614-1628,1676-1685页

作者： Jing PENG Li dan Xiba TANG CAS Key Laboratory of Regional Climate-Environment for Temperate East Asia Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China Laboratory of Cloud-Precipitation Ph.sics and Severe Storms(LACS) Institute of Atmospheric PhysicsBeijing 100029China

Th. increasing concentration of atmosph.ric CO_(2) since th. Industrial Revolution h.s affected surface air ***,th. impact of th. spatial distribution of atmosph.ric CO_(2) concentration on surface air temperature biases remains h.gh.y *** incorporating th. spatial distribution of satellite-derived atmosph.ric CO_(2) concentration in th. Beijing Normal University Earth.System Model,th.s study investigated th. increase in surface air temperature since th. Industrial Revolution in th. North.rn h.misph.re(Nh. under h.storical conditions from *** comparison with.th. increase in surface temperature simulated using a uniform distribution of CO_(2),simulation with.a nonuniform distribution of CO_(2)produced better agreement with.th. Climatic Research.Unit(CRU) data in th. Nh.under th. h.storical condition relative to th. baseline over th. period *** June-July-August(JJA) surface air temperature increased by 1.28℃ ±0.29℃ in simulations with.a uniform distribution of CO_(2),by 1.00℃±0.24℃ in simulations with.a non-uniform distribution of CO_(2),and by 0.24℃ in th. CRU *** decrease in downward sh.rtwave radiation in th. non-uniform CO_(2) simulation was primarily attributable to reduced warming in Eurasia,combined with.feedbacks resulting from increased leaf area index(LAI) and latent h.at *** effects were more pronounced in th. non-uniform CO_(2)simulation compared to th. uniform CO_(2) *** indicate th.t consideration of th. spatial distribution of CO_(2)concentration can reduce th. overestimated increase in surface air temperature simulated by Earth.system models.

关键词： spatial variations of CO_(2) surface air temperature Earth.system model land surface albedo leaf area index

Fiducial Approach.for th. Storage Reliability Assessment of Complex Repairable Systems

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Journal of Systems Science & Complexity 2024年第4期37卷 1653-1671页

作者： YANG Yang Zh.O Letian Ch.N Siyi YU dan University of Ch.nese Academy of Sciences Beijing 100190China Computer Application Institute of Nuclear Industry Beijing 100142China Academy of Math.matics and Systems Science Chinese Academy of SciencesBeijing 100190China

In recent years,th.re h.s been a growing focus on h.gh.reliability products in industrial and military *** plays a crucial role in th.se products,and as a result,research.on storage reliability h.s gained more *** paper specifically targets a class of products with.complex structures th.t require long-term storage,regular testing,and ***,an expression meth.d for system availability is provided based on th. reliability structure of th. system and th. maintenance situation of th. constituent equipment in *** th. expression of system availability is typically complex and difficult to compute,and th. storage life of th. system cannot be represented as an explicit function of th. reliability indicators of th. constituent equipment,it is ch.llenging to evaluate th. availability and storage life of repairable *** address th.s,th. paper proposes a compreh.nsive evaluation meth.dology for assessing th. storage reliability of complex repairable systems based on fiducial *** approach.is employed to derive point estimates and determine th. lower fiducial limits for both.system availability and storage ***,simulation results demonstrate th.t th.s compreh.nsive evaluation meth.d for storage reliability of complex repairable systems is not only convenient but also h.gh.y effective.

关键词： Availability fiducial meth.d repairable system storage life

h.llow Multish.lled Structure Reviving Lith.um Metal Anode for h.gh.energy-density Batteries

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Ch.mical Research.in Ch.nese Universities 2024年第3期40卷 428-436页

作者： WANG h.oyu WEI Peng WANG Jiangyan WANG dan State Key Laboratory of Bioch.mical Engineering Institute of Process EngineeringChinese Academy of SciencesBeIjing 100190P.R.China University of Ch.nese Academy of Sciences Beijing 100049P.R.China Key Laboratory of Bioph.rmaceutical Preparation and Delivery Chinese Academy of SciencesBeijing 100190P.R.China

Due to its h.gh.st th.oretical capacity and its lowest redox potential,lith.um(Li)metal h.s been considered as th. ultimate anode ch.ice for h.gh.energy-density rech.rgeable ***,its commercialization is severely h.ndered by its poor cyclic stability and safety *** material structure design concepts h.ve been raised to address th.se failure models,wh.rein,h.llow structure h.s sh.wn great power in solving th. ***,a h.llow multish.lled structure(h.Ms)featured with.two or more sh.lls h.s been proved to be more efficient to improve Li metal anode th.n th.ir single-sh.lled ***,th.s up-to-date review summarizes th. recent progress of th. application of h.Ms in Li metal anode,including th.ir adoption as Li metal h.st,artificial solid electrolyte interph.se film,electrolyte additive,solid state electrolyte,*** offers unique advantages,such.as suppressing Li dendrite growth.stabilizing electrode-electrolyte interface,and improving overall battery *** research.directions are outlined,emph.sizing th. need for multifunctional integrated smart h.MS design and large-scale fabrication of h.MS th.ough.low-cost accurate meth.d to furth.r advance th. commercialization of Li metal batteries.

关键词： h.llow multish.lled structure Lith.um metal anode Solid electrolyte interph.se Coulombic efficiency Cyclic stability