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The rapid growth and development of electronic imaging in the recent years has led to large scale digital media archives. These are increasingly becoming popular as more and more digital media contents are created and deployed online every day. A critical issue in designing such archives is effective storage of the data. Uncompressed data requires more storage and huge bandwidth for transmission. Though the cost of storage is rapidly dropping, compression still remains as a challenging issue due to the growing number of multimedia based online applications. This necessitates the design of...

Communication of digital information becomes frequent nowadays, because of its fast access capability. A wide range of technologies for end-to-end protection are needed to resist the security threats in modern communication. Information security have different types that are Steganography and Cryptography. Steganography will be chosen if secure communication is the objective; in addition, Watermarking should be considered if copyright protection is the objective. However, in those techniques, permanent destruction of the cover media is normally inevitable, even after the embedded data is...