SECURE STEGANOGRAPHY BASED ON BINARY PARTICLE SWARM OPTIMIZATION-中国期刊网

摘要 Theobjectiveofsteganographyistohidemessagesecurelyincoverobjectsforsecretcommunication.Howtodesignasecuresteganographicalgorithmisstillmajorchallengeinthisre-searchfield.Inthisletter,developingsecuresteganographyisformulatedassolvingaconstrainedIP(IntegerProgramming)problem,whichtakestherelativeentropyofcoverandstegodistributionsastheobjectivefunction.Furthermore,anovelmethodisintroducedbasedonBPSO(BinaryParticleSwarmOptimization)forachievingtheoptimalsolutionofthisprogrammingproblem.Experimentalresultsshowthattheproposedmethodcanachieveexcellentperformanceonpreservingneighboringco-occurrencefeaturesforJPEGsteganography.

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SECURE STEGANOGRAPHY BASED ON BINARY PARTICLE SWARM OPTIMIZATION

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SECURE STEGANOGRAPHY BASED ON BINARY PARTICLE SWARM OPTIMIZATION

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