Multiple Images Embedding Scheme Based on Moment Preserving Block Truncation Coding

• Autorzy: Hu Y-C.
• Języki publikacji: EN

Abstrakty

EN

A low-complexity grayscale image embedding scheme that can embed multiple secret images is proposed in this paper. In this scheme, different users can extract different secret images according to the secret keys they hold. To reduce the storage cost of the secret images, each of the secret images is first compressed using an improved version of the moment preserving block truncation coding scheme. The compressed message of each secret image is then encrypted by the DES cryptography system with different secret key and then embedded into the host image using the modulus least-significant-bit substitution technique. According to the experimental results, it is shown that the proposed scheme consumes a little computational cost. Besides, different users can extract different number of secret images. In other words, the proposed scheme indeed provides a good approach for the hiding of grayscale images with access control.

Słowa kluczowe

EN

image hiding; block truncation coding; DES

• Wydawca: IOS Press
• Czasopismo: Fundamenta Informaticae
• Rocznik: 2006
• Tom: Vol. 73, nr 3
• Strony: 373--387
• Opis fizyczny: bibliogr. 18 poz., fot.,tab.,wykr.

Twórcy

autor

Hu Y-C.

• Department of Computer Science and Information Engineering, Providence University, Shalu 433, Taichung, Taiwan, R.O.C.,

Bibliografia

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