A User-Friendly Image Sharing Scheme Using JPEG-LS Prediction and LSB Matching Function
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2013, Vol 3, Issue 1
Abstract
Abstract: User-friendly secret sharing encrypts a secret image into n meaningful image shares or shadows first proposed by Thien and Lin in 2003. Their scheme can achieve the goal of secret image sharing with the additional capabilities of simple visual-management of shadows owing to representing of shadow images as shrunken version of the original image. After that, Yang et al. proposed an improved scheme in 2007 by using different primes for various blocks in Shamir’s polynomial function. In this article, we propose a novel version of (t, n)-threshold user-friendly image sharing scheme which attempts to indicate prime number for encoding a t-pixel block based on JPEG-LS prediction technique and utilize LSB matching function to hide indicators of the prime numbers. The simulator presents that the proposed scheme attains the properties of user-friendly image sharing. In particular, reconstructed image is higher than that of the previous schemes in terms of the quality of image.
Authors and Affiliations
Hung P. VO
Keywords
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