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【英文标准名称】:StandardReferenceRadiographforEvaluatingthePerformanceofRadiographicDigitizationSystems
【原文标准名称】:评价辐射摄影数字化系统性能的辐射参考标准
【标准号】:ASTME1936-2003(2007)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E07.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:densitycontrastsensitivity;digitization;linepairs;referenceradiograph;spatiallinearity;spatialresolution;systemevaluation;target;X-ray;Contrastmanipulation/sensitivity;Digitalelectronicdata;Radiographicexamination;Reference
【摘要】:1.1Thisreferenceradiographcoversaseriesoftesttargetssuitableforevaluating,quantifying,anddocumentingperformanceparametersoftheradiographicdigitizationprocessortheelectronicimagereconstructionprocess,orboth.Thisreferenceradiographcanbeusedforvisualandelectronicanalysisofdigitizationsystems.Thisisthefirstofthreerelatedstandards.Subsequentstandardswillprovideguidanceontheuseofthetesttargetsandrecommendedsystemperformancelevels1.2Thisreferenceradiographprovidesaseriesoftesttargetstoprovideavehiclefortheevaluationofspatialresolution,densitycontrastsensitivity,dynamicrange,andspatiallinearityaswellasotheraspectsofadigitizationsystem.Thetesttargetsaresuitableforevaluatingadigitizationsystemwithaspatialresolutiondownto8764;1/1000in.[25micrometres(x03BC;)]adensitycontrastsensitivitydownto0.02opticaldensity(OD),adensityrangeof0.5to4.5OD,andafilmsizecapacityof14in.[355mm]wideby17in.[431mm]long.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard,withtheexceptionofthespatialresolutiontargets(6.2and6.7)whicharestatedinSIunits.1.4Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C43
【国际标准分类号】:11_040_50
【页数】:4P.;A4
【正文语种】:英语