mitre - image quality evaluation
DESCRIPTION
Image Quality EvaluationTRANSCRIPT
-
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
Copyright19972013,TheMITRECorporation.Allrightsreserved.
MITREisaregisteredtrademarkofTheMITRECorporation.Materialonthissitemaybecopiedanddistributedwithpermissiononly.