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Inter-Channel Correlation Modeling and Improved Skewed Histogram Shifting for Reversible Data Hiding in Color Images

Author

Listed:
  • Dan He

    (School of Computer Science and Engineering, Macau University of Science and Technology, Macau 999078, China
    School of Artificial Intelligence, Dongguan City University, Dongguan 523109, China)

  • Zhanchuan Cai

    (School of Computer Science and Engineering, Macau University of Science and Technology, Macau 999078, China)

  • Dujuan Zhou

    (School of Computer Science and Engineering, Macau University of Science and Technology, Macau 999078, China
    School of Applied Science and Engineering, Beijing Institute of Technology, Zhuhai 519088, China)

  • Zhihui Chen

    (School of Computer Science and Engineering, Macau University of Science and Technology, Macau 999078, China)

Abstract

Reversible data hiding (RDH) is an advanced data protection technology that allows the embedding of additional information into an original digital medium while maintaining its integrity. Color images are typical carriers for information because of their rich data content, making them suitable for data embedding. Compared to grayscale images, color images with their three color channels (RGB) enhance data embedding capabilities while increasing algorithmic complexity. When implementing RDH in color images, researchers often exploit the inter-channel correlation to enhance embedding efficiency and minimize the impact on image visual quality. This paper proposes a novel RDH method for color images based on inter-channel correlation modeling and improved skewed histogram shifting. Initially, we construct an inter-channel correlation model based on the relationship among the RGB channels. Subsequently, an extended method for calculating the local complexity of pixels is proposed. Then, we adaptively select the pixel prediction context and design three types of extreme predictors. The improved skewed histogram shifting method is utilized for data embedding and extraction. Finally, experiments conducted on the USC-SIPI and Kodak datasets validate the superiority of our proposed method in terms of image fidelity.

Suggested Citation

  • Dan He & Zhanchuan Cai & Dujuan Zhou & Zhihui Chen, 2024. "Inter-Channel Correlation Modeling and Improved Skewed Histogram Shifting for Reversible Data Hiding in Color Images," Mathematics, MDPI, vol. 12(9), pages 1-19, April.
  • Handle: RePEc:gam:jmathe:v:12:y:2024:i:9:p:1283-:d:1381570
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    References listed on IDEAS

    as
    1. Xiaoqiang Zhang & Mi Liu & Xiaochang Yang, 2023. "Color Image Encryption Algorithm Based on Cross-Spiral Transformation and Zone Diffusion," Mathematics, MDPI, vol. 11(14), pages 1-28, July.
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