Corrigendum to "Random grid-based visual secret sharing with abilities of OR and XOR decryptions"[Journal of Visual Communication and Image Representation. 24(2013) 48-62]
Saurabh Bora, Aparajita Ojha (PDPM Indian Institute of Information, Technology, Design, Manufacturing Jabalpur)
TL;DR
This paper corrects the previously reported contrast values for various visual secret sharing schemes, ensuring accurate data for future research and applications in visual cryptography.
Contribution
It provides the corrected contrast values for multiple VSS schemes, addressing inaccuracies in prior publications and aiding future research accuracy.
Findings
Corrected contrast values for (2,3), (2,4), (3,5), and (4,5) VSS schemes
Clarified inaccuracies in previous literature
Enhanced reliability of visual cryptography data
Abstract
It has been observed that the contrast values for (2, 3) VSS scheme, (2, 4) VSS scheme, (3, 5) VSS scheme and (4, 5) VSS scheme claimed by Wu and Sun (2013) are found to be incorrect. Since the same values are cited and compared by many other researchers in their works, we have calculated and presented the correct values of contrast in this note.
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Taxonomy
TopicsAdvanced Steganography and Watermarking Techniques · Chaos-based Image/Signal Encryption · Cryptography and Data Security