ImageQualityfromaSineWaveorBarTarget(MTF)MITREdevelopeditsMTFapplicationtocomputetheModulationTransferFunctionofanimagingsystemusingasinewavetarget*,orcomputetheContrastTransferFunction(CTF)usingabartarget.Aliasingisdetectedandquantifiedand,forasinewave,theinput/outputrelationisestablished.

MTF.zipv6.5executablesforWindows&Mac,withsourcecode[8MB]

ImageQualityfromanEdgeTarget(SFR)

MITREmodifiedexistingcodetocomputetheSpatialFrequencyResponse(SFR)usinganedgetarget,followingproceduresdefinedinISO12233*.TheSFRequalstheMTFofanimagingsystemundercertainconditions.

SFR.zipv1.4.2executablesforWindows&Mac,withsourcecode[1MB]

ImageQualityfromtheNaturalScene(IQM)

MITREdevelopeditsImageQualityMeasure(IQM)applicationtodirectlymeasurethequalityofanarbitraryimage,i.e.,itdoesnotrequireimagingaspecifictarget,constantscene,orreferenceimage.IQM(overview.pdf)iscomputedfromtheimage'sspatialfrequencypowerspectrum.

IQM.zipv7.3executablesforWindows&Mac,withsourcecode[4MB]

ImageQualityofFingerprint(IQF)

IQFisaderivativeofIQM,tailoredspecificallyforfingerprintqualityassessment.

IQF.zipv1.53executablesforWindows&Mac,withsourcecode[2MB]

MITREdevelopedtheMTF,SFR,andIQFfreewareapplicationstosupportperformanceanalysisoffingerprintcapturedevicesandprintersforFBIproductcertifications*,fortheFBI'sIntegratedAutomatedFingerprintIdentificationSystem(IAFIS*)andtheUSgovernment'sPersonalIdentityVerification(PIV*)program.

Correspondingtothesecertificationsareavailablespecandtestprocedures[3.3MB].Theseapplicationssupportdevelopmentofdevicesenablinghighaccuracyexamination,matching,andidentificationoffingerprintsandinteroperabilityacrosstheforensics/lawenforcementcommunity.

MITREoriginallydevelopedtheIQMfreewareapplicationtosupporttheUSgovernment'sneedsinimagereconnaissance/surveillanceandinterpretation/exploitation.IQMcorrelateswithNIIRS*,thetraditionalvisualimageinterpretabilityratingscaleusedforsuchpurposes.IQMisstructuredsuchthattheusercantailoritforqualityevaluationofotherimagetypes,e.g.,pictorial,medical,imagecompressionstudies,etc.

*nonMITREwebsite

Formoreinformation,pleasecontactMargaretLepley.

Pagelastupdated:December15,2014|Topofpage

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