简介：Traditionalbackgroundmodelmethodsoftenrequirecomplicatedcomputations,andaresensitivetoilluminationandshadow.Inthispaper,weproposeablock-basedbackgroundmodelingmethod,anduseourproposedmethodtocombinecolorandtexturecharacteristics.Suppressionandrelaxationarethetwokeystrategiestoresistilluminationchangesandshadowdisturbance.Theproposedmethodisquiteefficientandiscapableofresistingilluminationchanges.Experimentalresultsshowthatourmethodissuitableforreal-wordscenesandreal-timeapplications.

简介：录像加速器在分享象YouTube那样的网站的录像为更好的用户经验被开发。PPLive录像加速器(PPVA)在中国有用户的最大的数字，基于对等(P2P)系统。在PPVA的录像和同伴的数字由比哪个多次大的数量级在需求(VoD)上的传统的P2P录像系统。作为结果，尽管资源是足够的，由于不公平赋值，服务的质量几乎不能满足所有用户。在这份报纸，我们在PPVA专注于基本资源的任务：存储和带宽。存储赋值的问题作为一个随机的变量关于请求的数字作为一个非线性的程序(NLP)被提出。当平均数比变化大得多时，请求的变化的影响不是可以忽略、比例的途径的结果表演仅仅是适当的。关于怎么定位录像到适当同伴的标准也被介绍，考虑抑制例如全部的带宽，带宽竞争的概率和在录像之间的公平的利用。而且，分配的启发式的算法以集中、分布式的时尚上载带宽被建议并且在录像之中关于平衡与广泛地使用的策略(相等的分配)作比较。模拟结果证明两个算法能导致重要表演改进。

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简介：Aplasmoniccavityfilledwithactivematerialisproposedtoexplainopticalswitching.Opticalproperties,includingtransmission,responsetime,andfielddistributionofon/offstate,arenumericallyinvestigated.Wedemonstratethatsuchagain-assistedplasmonicstructurecanachieveopticalswitchinginthenan-odomainandshortentheswitchingtimetothesubpicosecondlevel.Ourresultsindicatethepotentialapplicationoftheproposedstructureinopticalcommunicationandphotonicintegratedcircuits.

简介：积累的低密度同等值检查(LDPCA)codec被建议为在编码的分布式的录像(DVC)发现工程，它提供灵活编码率。尽管使率适应录像的关联能使用反馈隧道，但是在真实应用程序，用反馈，隧道不能总是是可能的。解决这个问题，一些研究人员求婚了在编码器估计代码率，但是性能不很好。基于他们的研究，这篇论文在率估计上为重复考虑集中率的影响，它能用它的检查矩阵是计算的。作为一个预研项目，这篇论文注意常规LDPCAcodec。同时，它在估计的转线路概率考虑偏差的影响，它给一些限制评估估计。在实验，建议算法能由多达1dB1.2dB改进率失真表演。

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简介：Weevaluatetheinfluenceofthethermallyassistedtunneling(TAT)mechanismonchargetrappingmemory(CTM)cellperformancebynumericalsimulation,andcomprehensivelyanalysetheeffectsofthetemperature,trapdepth,distributionoftrappedcharge,gatevoltageandparametersofTATonerasing/programmingspeedandretentionperformance.TATisanindispensablemechanisminCTMthatcanincreasethedetrappingprobabilityoftrappedcharge.OurresultsrevealthattheTATeffectcausesthesensitivityofcellperformancetotemperatureanditcouldaffecttheoperationalspeed,especiallyfortheerasingoperation.TheresultsshowthattheretentionperformancedegradescomparedwithwhentheTATmechanismisignored.

简介：ACAD-basedinspectionplanningstrategyforvideomeasuringinstrumentisproposedtoimprovemanufacturingeffectiveness.ThesystemconsistsofavideoprobethatenablesitselftoinspectaworkpiecebasedonaCADmodel.ThemeasurementsoftwareincludesCAIPmoduleandMDPmodule.TheCAIPmoduleisdevelopedbasedonaCADdevelopmentplatformwhosekernelistheOpenCASCADE.Theentiresystemwastested,andrelevantexamplesshowthatthesystemcanaccomplishautomaticinspectionplanningtaskforcommonpartsefficiently.

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简介：Shortpeptidesbasedonthetripeptides,Leu-Arg-ProandLeu-Lys-Pro,weresynthesizedbymicrowaveassistedsolid-phasesynthesismethod,inordertomakeasearchforpotentialinhibitorsforangiotensinI-convertingenzyme(ACE)withminimumsideeffectsinthetreatmentofhypertension.OnepeptidewiththesequenceLeu-Arg-Pro-Phe-PheshowsthestrongestinhibitiontowardsACEwithanIC50valueof0.26μmol/Linvitro.Thestudyofstructure-activityrelationshipshowsthattheintroductionofabulkygroupintotheN-terminalofthisseriesofinhibitorsmayenlargesterichindrance,resultinginthepoorinhibitoryactivitytowardsACE.TheinhibitoryactivitydecreasedinturnwhenL-Pro,D-ProorAc6cwasattheC-terminalrespectively.ThebindinginteractionbetweeneachoftheseinhibitorsandtesticularACE(tACE)wasperformedbymoleculardocking.TheresultssuggestthatLeu-Arg-Pro-Phe-PhemainlyoccupiedtheS1subsiteoftACE,andmadecontactwithtACEviasevenH-bonds.ItappearedthatthesiteonthepeptidethatboundwithtACEwasinfluencedbytheconfigurationoftheaminoacid,LorD-form,attheC-terminalofthepeptide.

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