Abdi, Hadjer2024-10-172024-10-172024-06-01https://dspace.univ-tlemcen.dz/handle/112/23277Telemedicineleveragesadvancedtechnologiestoenhancehealthcare,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.enMedical Images,MedicalDataSecurity,DataIntegrity,DigitalWatermarking,En- cryption, LiftingWaveletTransform,FastWalshHadamardTransform,ArtificialBeeColonyThesis