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https://idr.l4.nitk.ac.in/jspui/handle/123456789/15492
Title: | GPGPU-based randomized visual secret sharing (GRVSS) for grayscale and colour images |
Authors: | Holla R. Mhala N.C. Pais A.R. |
Issue Date: | 2020 |
Citation: | International Journal of Computers and Applications Vol. , , p. - |
Abstract: | Visual Secret Sharing (VSS) is a technique used for sharing secret images between users. The existing VSS schemes reconstruct the original secret image as a halftone image with only a 50% contrast. The Randomized Visual Secret Sharing (RVSS) scheme overcomes the disadvantages of existing VSS schemes. Although RVSS extracts the secret image with better contrast, it is computationally expensive. This paper proposes a General Purpose Graphics Processing Unit (GPGPU)-based Randomized Visual Secret Sharing (GRVSS) technique that leverages data parallelism in the RVSS pipeline. The performance of the GRVSS is compared with the RVSS in a generic and PARAM Shavak supercomputer architecture. The GRVSS outperforms the RVSS in both architectures. © 2020 Informa UK Limited, trading as Taylor & Francis Group. |
URI: | https://doi.org/10.1080/1206212X.2020.1830246 http://idr.nitk.ac.in/jspui/handle/123456789/15492 |
Appears in Collections: | 1. Journal Articles |
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