Secret image sharing with smaller shadow images
Pattern Recognition Letters
Progressive sharing for a secret image
Journal of Systems and Software
Fault-tolerant and progressive transmission of images
Pattern Recognition
Block compressed sensing of images using directional transforms
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Multi-layer Secret Image Sharing
IIH-MSP '10 Proceedings of the 2010 Sixth International Conference on Intelligent Information Hiding and Multimedia Signal Processing
A hierarchical threshold secret image sharing
Pattern Recognition Letters
IEEE Transactions on Information Theory
An image-sharing method with user-friendly shadow images
IEEE Transactions on Circuits and Systems for Video Technology
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A novel real-time and progressive secret image sharing scheme with flexible-size shadows is proposed. First, a secret image is measured by compressed sensing (CS). Then, the quantized measurement values are divided into n shadows using Shamir's (t,n)-threshold scheme. At the receiver side, the secret image can be reconstructed if any t of n shadows are obtained, but fewer than t shadows reveal no information. Due to the fact that CS's reconstruction quality is flexibly adaptive to the number of measurements, our scheme features flexible shadow size and obtains the property of real-time and progressive transmission as well as error resilient. Experimental results show that the proposed scheme achieves better performance in view of the reconstructed secret image.