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On The Application of Image Decomposition to Image Compression and Encryption

  • Howard Cheng
  • Li Xiaobo
Chapter
Part of the IFIP Advances in Information and Communication Technology book series (IFIPAICT)

Abstract

The recent explosion in multimedia and networking applications places a great demand on effi­cient data storage and transmission techniques. In addition, network communication, especially wireless communication, can easily be intercepted. Therefore, sensitive information must be pro­tected from eavesdroppers. These two problems have traditionally been treated independently of each other. In this paper, we will study a new image compression and encryption scheme that al­lows any conventional encryption algorithm to take advantage of the properties of a class of im­age compression algorithms based on image decomposition. An image compression algorithm that produces several different parts is used. The encryption process identifies the parts that are crucial and encrypts only those parts. The security of this scheme and some possible applications will be discussed in this paper.

Keywords

Image decomposition quadtrees image compression encryption 

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Copyright information

© IFIP International Federation for Information Processing 1996

Authors and Affiliations

  • Howard Cheng
    • 1
  • Li Xiaobo
    • 1
  1. 1.Department of Computing ScienceUniversity of AlbertaUniversity of AlbertaEdmonton, AlbertaCanada

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