Abstract: A scheme is proposed to implement reversible data hiding (RDH) in encrypted images using logistic substitution encoding. The original image is encrypted by the content owner using logistic substitution encoding. Then the data hider modifies the bits taken from the encrypted image to accommodate the secret data. On the receiver side, the secret data can be extracted if the receiver is available with the embedding key only. If the receiver has the encryption key only, original image can be recovered. If both the embedding and encryption keys are available at the receiver side, he/she can extract the secret data and recover the original image using logistic substitution decoding. The scheme is a good choice for secure image transmission.
Keywords: Image encryption, image recovery, image transmission, reversible data hiding.
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