Improving the Visual Quality of Size-Invariant Visual Cryptography for Grayscale Images: An Analysis-by-Synthesis (AbS) Approach
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DOI: 10.1109/tip.2018.2874378
Abstract: In visual cryptography (VC) for grayscale image, size reduction leads to bad perceptual quality to the reconstructed secret image. To improve the quality, the current efforts are limited to the design of VC algorithm for… read more here.
Keywords: visual cryptography; quality; reconstructed secret; image ... See more keywords