A New Image Quality Approach Based on Decision....pdf

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1、FifthInternationalConferenceonFuzzySystemsandKnowledgeDiscoveryANewImageQualityApproachBasedonDecisionFusionMingnaLiuandXinYangInstituteofImageProcessingandPatternRecognition,ShanghaiJiaotongUniversity,Shanghai,200240,P.R.China{mingnal,yangxin}@sjtu.edu.cnAbstracttheredundanti

2、nformationamongthemtocertaindegree[8].Somepreviousmetricsdealingwithmulti-featurein-Imagequalityevaluationisbecomingessentialinmanytegrationshandlesimilarfeaturesorspecificapplications,imageprocessingproblems.Thispaperproposesanewim-whichlimittheircapabilityinsomedifferentdisto

3、rtionagequalityevaluationapproachbasedondecisionfusionconditions[1,3,9].Inthispaperasupervisedmulti-methodofcanonicalcorrelationanalysis(CCA).Byexplor-feature(SMF)imagequalityevaluationmetrictowardsolv-ingseveraldiversevisualmodels,weconstructedacom-ingtheproblemofcomplicatedi

4、magedistortionispre-prehensivequalitymetricwhichcandealwithcomplicatedsented.Somethestate-of-the-artimagequalitymetricsex-imagedistortionproblemwithincreasingaccuracyandro-ploringdifferentvisualmodelsaremergedintoacompre-bustness.Validationbycomparingtheproposedmetrichensiveon

5、ebythedecisionfusionmethodofcanonicalcor-againstotherimagequalitymetrics(IQMs)demonstratesrelationanalysis(CCA).Viaregressionestimationofleastthatitsfidelitypredictionperformsbetteracrosswidedis-squareerror(LSE)andpriorisubjectiveknowledgeoftest-tortionrangeandtypes.ingdatabase

6、,thelearning-basedapproachassignsitspa-rametersaccordingtothedistortionconditionsofthetestingdatabase,increasingtheflexibilityandpredictionaccuracy.1.IntroductionBecausetheimageQAisconsideredasaspecialapplica-tiondependentproblem,toanunknowndistortiontype,thetrainingstepandcomp

7、rehensivequalityfeatureeliminateAccurateandrobustobjectiveimagequalityevaluationtheproblemofoptimalmetricselection.Experimentalre-hasgreatimportanceforimageprocessingsystems.Inprac-sultsononespecialimagedatabaseforIQMperformancetice,thedistortionisalwaysinducedindiversesources

8、.Inevaluation,includingmultipledistortiontypesandwidedis-[2]C