The high speed advancement of Computer network and internet has hiked the chance of data snooped during the time of transmission. In this issue, Cryptography plays a vital role, which hides the actual information using some secret key and thereby converts it into an alternative equivalent multimedia file like image, video or audio in such a way that only the intended recipient can retrieve back the original data. To achieve that goal the secret image has been divided into several shares and distributed among individuals in such a way that only when all the shares has been combined, the original secret image can be revealed. Here in this paper, a novel visual secret sharing technique has been suggested, which uses the pixel intensity adjustment function and basic binary operations, ensuring the confidentiality and integrity of the transmitted data. The proposed scheme has advantage of being very time efficient and also able to hide more secret information providing higher imperceptibility.

Author Name: Kalyan Das, Aromita Sen and Samir Kr. Bandhopadhyay

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Keywords: Visual Cryptographic System, Modified LSBR, Secret Sharing, Pixel Expansion, Intensity adjustment, Visual distortion, Steganography, Security through obscurity

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EISSN: 2278-3091

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