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A Generalized Secret Image Sharing and Recovery Scheme

  • Chwei-Shyong Tsai
  • Chin-Chen Chang
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2195)

Abstract

The secret sharing is an important issue in confirming the security of confidential information. This paper proposes a generalized sharing and recovery scheme suitable for secret images. The scheme coalesces vector quantization (VQ) compression technique and conventional generalized secret sharing scheme to produce pseudo codebooks out of the secret codebook used for compressing the secret image. Every pseudo codebook is held by a participant of the generalized access structure for secret sharing. On the other hand, the secret image can be only recovered by all participants, who belong to the same qualified subgroup of the generalized access structure, to work together with their possessed pseudo codebooks

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Copyright information

© Springer-Verlag Berlin Heidelberg 2001

Authors and Affiliations

  • Chwei-Shyong Tsai
    • 1
  • Chin-Chen Chang
    • 1
  1. 1.Department of Computer Science and Information EngineeringNational Chung Cheng UniversityChiayiTaiwan, R.O.C.

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