22 June 2019 Secure image transmission based on visual cryptography scheme and artificial neural network-particle swarm optimization-guided adaptive vector quantization
Surya Sarathi Das, Kaushik Das Sharma, Jayanta K. Chandra, Jitendra Nath Bera
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Abstract
Image transmission holds a major share in data communication, and thus secure image transmission is currently a challenging domain of research. A secure image transmission scheme is proposed that physically transmits the encrypted image employing visual cryptography scheme (VCS). During physical transmission, the meaningless shares may attract curious hackers and if captured and stacked, the secret may be revealed. Moreover, the increase in transmission overhead due to multiple share images resulted from a single secret image after encryption is another concern regarding the physical implementation of VCS. Focusing on both observations, vector quantization (VQ) is used to encode as well as to compress each of the shares before transmission. To utilize VQ, its two parameters, cell width and dimension of grid, are needed to be optimized for various kind of images without compromising the randomness property of the shares. Hence, a particle swarm optimization-guided VQ is proposed, and furthermore, a multilayer perceptron in conjunction with an autoencoder are also trained in synchronism with that to automatically obtain the optimal VQ for each image type during the transmission. The proposed scheme is successfully implemented with different types of images for secure physical transmission with a 62.8% data volume reduction and 98.07% image quality retrieval.
© 2019 SPIE and IS&T 1017-9909/2019/$25.00 © 2019 SPIE and IS&T
Surya Sarathi Das, Kaushik Das Sharma, Jayanta K. Chandra, and Jitendra Nath Bera "Secure image transmission based on visual cryptography scheme and artificial neural network-particle swarm optimization-guided adaptive vector quantization," Journal of Electronic Imaging 28(3), 033031 (22 June 2019). https://doi.org/10.1117/1.JEI.28.3.033031
Received: 9 January 2019; Accepted: 3 June 2019; Published: 22 June 2019
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CITATIONS
Cited by 5 scholarly publications.
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KEYWORDS
Image encryption

Image quality

Image transmission

Visualization

Cryptography

Particles

Medical imaging

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