简介:Anopticalimageencryptionsystemwithadaptivesteganographyusingred,green,andblue(RGB)channelintegrationisproposed.Theopticalimageencryptionsystememploysadoublerandomphaseencodingalgorithmtoencryptanddecryptcolorimages.TheRGBchannelinacolorimageisfirstintegratedintoalargegrayscaleimage.Thentheintegratedimageisencryptedbytworandomphasemasks.Thesecretdataisthenembeddedintotheencryptedimagewithaspecifichidingsequencegeneratedbythezero-LSB(leastsignificantbits)sortingtechniquewhichisacontent-dependentandlowdistortiondataembeddingmethod.Experimentalresultsshowthattheproposedmethodhasagoodperformanceinbothhidingcapacityanddecryptedimagequality.