Medical Imaging Data Security
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University of Tlemcen
Abstract
Telemedicineleveragesadvancedtechnologiestoenhancehealthcare,makingitmoreaccessibleand
cost-effective.Thisincludesimprovedsharingofmedicalimagingdataforaccuratediagnosesand
treatments.However,dataexchangeraisesprivacyandsecurityconcerns.
This thesisaimstoenhancemedicalimagingdatasecuritybyembeddingdigitalwatermarksand
the ElectronicPatientRecord(EPR)withinimages,ensuringdataintegrityandconfidentiality.It
combinesLiftingWaveletTransform(LWT)andFastWalshHadamardTransform(FWHT)for
robustness andimperceptibility,withadditionalsecurityviaErrorCorrectingCode(ECC)and
chaoticencryption.
The ArtificialBeeColony(ABC)algorithmfurtherenhancesperformance.Testingonvarious
datasets showedthemethod’ssuperiorityovertraditionaltechniquesusingmetricssuchasPSNR,
SSIM, NC,andBER.