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1 Optica Applicata

1 2018

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Image compression-encryption algorithm combining compressive sensing with log operation

100%

Chen R.-L. , Zhou Y. , Luo M. , Zhang A.-D. , Gong L.-H.

tom Vol. 48, nr 4

563--573

Based on compressive sensing and log operation, a new image compression-encryption algorithm is proposed, which accomplishes encryption and compression simultaneously. The proposed image compression-encryption algorithm takes advantage of not only the physical realizability of partial Hadamard matrix, but also the resistance of the chosen-plaintext attack since all the elements in the partial Hadamard matrix are 1, –1 or log 1 = 0. The proposed algorithm is sensitive to the key and it can resist various common attacks. The simulation results verify the validity and reliability of the proposed image compression-encryption algorithm.