学科分类
/ 8
146 个结果
  • 简介:ANEWMETHODFORSTUDYOFERYTHROCYTESEDIMENTATIONANEWMETHODFORSTUDYOFERYTHROCYTESEDIMENTATIONZhaoZhiyun;FanJiajun;YangChunzhi;WenJ...

  • 标签: : ERYTHROCYTE SEDIMENTATION LASER PARAMETER
  • 简介:Anewmethodofcontrastenhancementisproposedinthepaperusingmultiscaleedgerepresentationofimages,andisappliedtothefieldofCTmedicalimageprocessing.ComparingtothetraditionalWindowtechnique,ourmethodisadaptiveandmeetsthedemandofradiologyclinicsmorebetter.TheclinicalexperimentresultsshowthepracticalityandthepotentialappliedvalueofourmethodinthefieldofCTmedicalimagescontrastenhancement.

  • 标签: 药物像 CT诊断 图像处理 临床经验
  • 简介:Thispaperpresentsanovelmethodofspotaddressingandsegmentationabouttheforegroundsegmentationofmicroarrayimage.Inthispaper,aspotaddressingmethodbasedonparticleswarmoptimization(PSO),algorithmisproposedtohaveafurthersearchforthecentercoordinateandradiusofthespotwhoseregionisdeterminedbytheprojectionmethod.Then,aforegroundsegmentationmethodisputforwardtomakethespotforegroundsegmentationbasedonthecentercoordinateandradiusofthespot.Thespotaddressingandsegmentationexperimentsonsyntheticandrealmicroarrayimagesshowthattheproposedmethodiseffectiveandfeasiblefortheforegroundsegmentationofmicroarrayimage.

  • 标签:
  • 简介:Theergonomicdigitaldesignandevaluationofman-machinesystemisthemainapplicationfieldsofvirtualhumantechnology.Becauseofthecomplexityofphysicalpersonanduncertaintyoffatiguegenerationmechanism,itisdifficulttoexpressandevaluatetheVirtualHuman'sfatiguestate.Thispapersummarizesthecharacteristicsofvirtualhuman'sfatigueevaluation,suchasundeterminable,invisible,theconstraintconditionscanbeenused.Viewedfromthestrengthsandweaknessesofpreexistingmodels,metabolicenergyexpendituremodel,dynamicmusclefatiguemodelandamodeltoassessfatigueatjoint-levelusingthehalf-jointconcept,thispaperputsforwardthefuturedevelopmenttrendthatthecombinationofsubjectiveandobjective,diversificationoftheanalyzablemotion,real-timeandvisualexpression.

  • 标签:
  • 简介:LevelSetmethodsarerobustandefficientnumericaltoolsforresolvingcurveevolutioninimagesegmentation.ThispaperproposesanewimagesegmentationalgorithmbasedonMumford-Shahmodule.ThemethodisusedtoCTimagesandtheexperimentresultsdemonstrateitsefficiencyandveracity.

  • 标签: MEDICAL IMAGE segmentation Level set Mumford-Shah model Curve evolution
  • 简介:SincetheinventionofRubylaserbyMaimanin1960s,manykindsoflasersareusedwidelyindentistry.Ithasbeenprovedthatlaserirradiationcanproduceacidetchinglikesurface,thusstrengthenthebondofmaterialtoenamel.Buttheheatgeneratedduringirradiationproducesdamageondentalpulp,whichlimitsthelaserapplicationsondentalhardsurfaces.

  • 标签:
  • 简介:DEVELOPMENTOFAVERSATILESENSINGMEMBRANEFORIMMUBILIZATIONOFPROTEINANDANEWIMMOBILIZATIONMETHODY.K.Zhou,J.W.Yuan,S.Q.Xu,B.H.Shu(D...

  • 标签: :immobilization or protein BIOTIN-AVIDIN system sensingmembrane
  • 简介:Inthispaper,theautocontrolofthesimulationdeviceofsystematiccirculatorysystemwillbepresented.Thepressureandcardiacoutputofsimulationsystemwillbeadjustedtopredeterminatevalueinphysiologicalarea.Thispaperisbasedonfullyunderstandingofphysicalsimulatorytheoriesanddevicedesignofhumancardiovas-cularsystemandthebasicspecificpropertiesofsimulationsystem.Non-linearityexsitsinthissystem,anditisamulti-inputandmulti-outputsystem.Inthemean-time,simulativesystemhasspecialpropertyoftime-lagandtime-variant.Theideaof

  • 标签: PHYSIOLOGICAL FUZZY adjusted programmed instrument manual
  • 简介:这份报纸基于嵌入的网server.The系统描述一个新ECG监视电视的方法和系统的开发与网络接口和嵌入的网服务器,由ECG录音机组成因特网网络和计算机,与操作浏览器/服务者(B/S)的系统,mode.TheECG录音机被ARM9(S3C2410X)设计并且嵌入操作系统(Linux).OnceECG录音机被连接了到因特网网络,医药专家能使用因特网存取ECG的服务器

  • 标签: 动态网页 心电图(ECG ) 监视电视 嵌入的网服务者
  • 简介:STUDYOFADIVICEONTHEWATCHFORPARAMETEROFBLOODPRESSUREANDITSFLOWBYUNDAMAGEDMETHODSTUDYOFADIVICEONTHEWATCHFORPARAMETEROFBLOODPRES...

  • 标签:
  • 简介:Cellaffinityisanimportantfactortobeconcernedwhenbiodegradablepolymericmaterialsareutilizedascellscaffoldintissueengineering.Manystudieshaveprovedthathydrophilicity,surfaceenergy,chargeandroughnessofthematerialsurfacegreatlyinfluencethecellattachmentandcellgrowthonthematerial.

  • 标签:
  • 简介:AFREQUENCYDOMAINQUANTITATIVEMEASUREMENTMETHODFORBLOODFLOWVELOCITYWITHBIDIRECTIONALDOPPLERULTRASOUNDAVOIDINGDOWN-BANDCHANNELWa...

  • 标签: : ULTRASOUND BLOOD flow VELOCITY Frequency
  • 简介:Empiricalmodedecomposition(EMD)isanewsignaldecompositionmethod,whichcoulddecomposethenon-stationarysignalintoseveralsingle-componentintrinsicmodefunctions(IMFs)andeachIMFhassomephysicalmeanings.ThispaperstudiesthesingletrialextractionofvisualevokedpotentialbycombiningEMDandwaveletthresholdfilter.ExperimentalresultsshowedthattheEMDbasedmethodcanseparatethenoiseoutoftheeventrelatedpotentials(ERPs)andeffectivelyextracttheweakERPsinstrongbackgroundnoise,whichmanifestedasthewaveformcharacteristicsandrootmeansquareerror(RMSE).

  • 标签: 视觉诱发电位 小波阈值 EMD 滤波方法 非平稳信号 检测
  • 简介:Inthispaper,agradientbioactivecoatingmadefrommodifiedbioglass(BG)andhydroxyapatite(HA)waspreparedbyelectrophoreticdepositionmethod(EPD)onthesurfaceoftitaniumalloy.StrongbondingbetweenthematrixandBG/HAgradientcoatingwasgotbysintering.CrystalcompositionofthecoatingwasanalyzedbyXRD.ThecharacteristicsofsurfaceandcrosssectionofthecoatingwereobservedbySEM.Adhesivestrengthofthecoatingwastestedbypullmethod.Theoptimizingtechnologicalparametersweredetermined.

  • 标签: BG/HA GRADIENT coating electrophoretic DEPOSITION (EPD)
  • 简介:Inthispaper,weproposeamethodtoimproveanti-radiationcapabilitybycoatingheavymetalX-rayprotectionglasswithcompoundphotoniccrystallayers,basedontheuniquepropertyofphotoniccrystalthatlightcannotbepropagatedwithintherangeofbandgaps.Usingtheplanewaveexpansionmethod,wemadeatheoreticalstudyofparametersaffectingthebandgapstructuresofone-dimensionalphotoniccrystals.Basedonthefindings,wechoseappropriatematerialsandcompoundstructureofphotoniccrystalsoastogethighX-rayreflectioncoatingphotoniccrystallayers.Bythismethod,thereflectionratewithinX-raywavelengthcanreachthemaximumvalueof100%,andtheaveragevalueofover90%.Evenlow-costheavymetalX-rayprotectionglassofabsorptioncoefficientvaluecanachievethedesiredeffect.Thus,thismethodgreatlydecreasestheanti-radiationrequirementsofheavyX-rayprotectionglass.

  • 标签: