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Related Experiment Video

Updated: Aug 9, 2025

Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects

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Published on: February 8, 2014

Reversible Data Hiding in Encrypted Image Using Multiple Data-Hiders Sharing Algorithm.

Chi-Yao Weng¹, Cheng-Hsing Yang¹

¹Department of Computer Science and Artificial Intelligence, National Pingtung University, Pingtung 900, Taiwan.

Entropy (Basel, Switzerland)

|February 25, 2023

Summary

This summary is machine-generated.

This study introduces a new reversible data hiding in encrypted images (RDHEI) method using Shamir's Secret Sharing. The technique improves embedding rates and supports multiple hidden data streams efficiently.

Keywords:

encrypted image multi-hider mechanism reversible data hiding secret sharing

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Area of Science:

Computer Science
Information Security
Cryptography

Background:

Reversible Data Hiding in Encrypted Images (RDHEI) enables secret data embedding in encrypted images.
Existing RDHEI methods face challenges with embedding capacity and multi-user scenarios.

Purpose of the Study:

To propose a novel RDHEI technique combining Shamir's Secret Sharing and multi-project construction.
To enhance embedding rates and support multiple hidden data streams.

Main Methods:

Pixels are grouped, and their values are hidden as polynomial coefficients.
Shamir's Secret Sharing is applied to embed the secret key into the polynomial.
Galois Field calculations generate shared pixels, which are then embedded into a shared image.

Main Results:

The proposed approach achieves a multi-hider mechanism.
Each shared image maintains a fixed embedding rate, irrespective of the number of shared images.
Experimental results show an improved embedding rate compared to previous methods.

Conclusions:

The developed RDHEI technique offers an efficient and secure method for data hiding in encrypted images.
The method demonstrates superior performance in terms of embedding rate and multi-hider capability.