Páginas:160Géneros:12:THR:ElectricalengineeringSinopsis:ThisLecturebookisaboutobjectiveimagequalityassessment-wheretheaimistoprovidecomputationalmodelsthatcanautomaticallypredictperceptualimagequality.Theearlyyearsofthe21stcenturyhavewitnessedatremendousgrowthintheuseofdigitalimagesasameansforrepresentingandcommunicatinginformation.Aconsiderablepercentageofthisliteratureisdevotedtomethodsforimprovingtheappearanceofimages,orformaintainingtheappearanceofimagesthatareprocessed.Nevertheless,thequalityofdigitalimages,processedorotherwise,israrelyperfect.Imagesaresubjecttodistortionsduringacquisition,compression,transmission,processing,andreproduction.Tomaintain,control,andenhancethequalityofimages,itisimportantforimageacquisition,management,communication,andprocessingsystemstobeabletoidentifyandquantifyimagequalitydegradations.Thegoalsofthisbookareasfollows,a)tointroducethefundamentalsofimagequalityassessment,andtoexplaintherelevantengineeringproblems,b)togiveabroadtreatmentofthecurrentstate-of-the-artinimagequalityassessment,bydescribingleadingalgorithmsthataddresstheseengineeringproblems,andc)toprovidenewdirectionsforfutureresearch,byintroducingrecentmodelsandparadigmsthatsignificantlydifferfromthoseusedinthepast.Thebookiswrittentobeaccessibletouniversitystudentscuriousaboutthestate-of-the-artofimagequalityassessment,expertindustrialR&Dengineersseekingtoimplementimage/videoqualityassessmentsystemsforspecificapplications,andacademictheoristsinterestedindevelopingnewalgorithmsforimagequalityassessmentorusingexistingalgorithmstodesignoroptimizeotherimageprocessingapplications._,
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