Abstract
The visual quality of the recovered secret image is usually evaluated by contrast in visual cryptography (VC). Precisely, the reconstructed secret image can be recognized as the original secret image when contrast is greater than zero. It is important for the user to know the clarity of the revealed secret image corresponding to different contrast values. In this paper, the clarity corresponding to contrast is investigated through conducting subjective evaluation scores and objective evaluation indexes, which can be extended to general applications.
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Acknowledgement
The authors wish to thank the volunteers for their help. The authors wish to thank Dr. Xianhua Song and Dr. Jianzhi Sang for their suggestions to improve this paper.
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Yan, X., Lu, Y., Huang, H., Liu, L., Wan, S. (2016). Clarity Corresponding to Contrast in Visual Cryptography. In: Che, W., et al. Social Computing. ICYCSEE 2016. Communications in Computer and Information Science, vol 623. Springer, Singapore. https://doi.org/10.1007/978-981-10-2053-7_23
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DOI: https://doi.org/10.1007/978-981-10-2053-7_23
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