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November 1, 2025Security and Privacy

A Robust Multi‐Key Reversible Data Hiding Scheme Leveraging Image Duplication and Smoothness Estimation

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Authors

ZLZhaohui LiTLTiancheng Li

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Overview

Enhanced RDHEI improves image recovery accuracy in encrypted images, suggesting potential for secure communication.

Key Points

  • Achieving near-perfect reversibility with a restoration error rate reduced from 0.76% to 0.01% on Lena, demonstrates significant advancement.
  • Using an enhanced RDHEI scheme combining horizontal image duplication and smoothness-guided recovery allows for better contextual information utilization.
  • Extensive experiments on standard grayscale images validate the method's superior accuracy and visual fidelity compared to conventional approaches.
  • This method's implications support future research on encrypted image storage and communication, including expansions to multi-channel images.

Cite This Study

Li et al. (2025) studied this question.

synapsesocial.com/papers/6925437fc0ce034ddc358e1ehttps://doi.org/10.1002/spy2.70145
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Reversible data hiding in encrypted images based on horizontal and vertical pixel shifting and dynamic block partitioning2026
  2. 2Reversible Data Hiding via Bit‐Plane Block Rearrangement and Intra‐Block Compression Coding for Encrypted Images2025 · 1 citations
  3. 3Reversible Data Hiding in Encrypted Images Based on Multi-MSB Prediction and Huffman Coding2019 · 263 citations
  4. 4High-capacity reversible data hiding in encrypted images using dual-stage bit-plane compression and CP-ABE-based recovery authorization2026
  5. 5An Efficient MSB Prediction-Based Method for High-Capacity Reversible Data Hiding in Encrypted Images2018 · 401 citations