DeblurringImagesMatricesSpectraandFiltering

DeblurringImagesMatricesSpectraandFiltering
【作者】PerChristianHansen【出版社】SocietyforIndustrialandAppliedMathematic【出版日期】October29,2006【ISBN】08987161879780898716184【形态项】9.8x6.7x0.3inches【语言】English【价格】$63.00DeblurringImages:Matrices,Spectra,andFiltering(FundamentalsofAlgorithms3)(FundamentalsofAlgorithms)ByPerChristianHansenPublisher:SocietyforIndustrialandAppliedMathematicNumberOfPages:130PublicationDate:2006-10-29ISBN-10/ASIN:0898716187ISBN-13/EAN:9780898716184Binding:Paperback“Thebook’sfocusonimagingproblemsisveryuniqueamongthecompetingbooksoninverseandill-posedproblems.…ItgivesaniceintroductionintotheMATLABworldofimagesanddeblurringproblems.”—MartinHanke,Professor,InstitutfürMathematik,Johannes-Gutenberg-Universität.Whenweuseacamera,wewanttherecordedimagetobeafaithfulrepresentationofthescenethatwesee,buteveryimageismoreorlessblurry.Inimagedeblurring,thegoalistorecovertheoriginal,sharpimagebyusingamathematicalmodeloftheblurringprocess.Thekeyissueisthatsomeinformationonthelostdetailsisindeedpresentintheblurredimage,butthis“hidden”informationcanberecoveredonlyifweknowthedetailsoftheblurringprocess.DeblurringImages:Matrices,Spectra,andFilteringdescribesthedeblurringalgorithmsandtechniquescollectivelyknownasspectralfilteringmethods,inwhichthesingularvaluedecomposition—orasimilardecompositionwithspectralproperties—isusedtointroducethenecessaryregularizationorfilteringinthereconstructedimage.TheconciseMATLAB®implementationsdescribedinthebookprovideatemplateoftechniquesthatcanbeusedtorestoreblurredimagesfrommanyapplications.Thisbook’streatmentofimagedeblurringisuniqueintwoways:itincludesalgorithmicandimplementationdetails;andbykeepingtheformulationsintermsofmatrices,vectors,andmatrixcomputations,itmakesthematerialaccess