A novel data hiding and reversible scheme using SMN blocks in VQ-compressed images

• Autorzy: Huang C. T. , Wang W. J. , Wang S. J.
• Języki publikacji: EN

Abstrakty

EN

Data hiding is a technique for embedding secret data into cover media. It is important to multimedia security and has been widely studied. Reversible data hiding methods are becoming prevalent in the area because they can reconstruct the original cover image while extracting the embedded data. In this paper, we propose a new reversible method for vector quantization (VQ) compressed images. Our method takes advantages of the relationship among the side match neighbouring (SMN) blocks to achieve reversibility. The experimental results show that the proposed method has higher compression rate and larger capacity than other existing reversible methods.

Słowa kluczowe

EN

date hiding; reversible data hiding; vector quantization; neighbouring block

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2011
• Tom: Vol. 19, No. 2
• Strony: 225--233
• Opis fizyczny: Bibliogr. 17 poz., il., wykr.

Twórcy

autor

Huang C. T.

• Department of Computer Science and Information Engineering, National Central University, Taoyuan, 320 Taiwan

autor

Wang W. J.

• Department of Computer Science and Information Engineering, National Central University, Taoyuan, 320 Taiwan

autor

Wang S. J.

Bibliografia

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