With the rapid development of multimedia technology, the image scrambling for information hiding and digital watermarking is crucial. But, in quantum image processing field, the study on image scrambling is still few. Several quantum image scrambling schemes are basically position space scrambling strategies; however, the quantum image scrambling focused on the color space does not exist. Therefore, in this paper, the quantum image Gray-code and bit-plane (GB) scrambling scheme, an entire color space scrambling strategy, is proposed boldly. On the strength of a quantum image representation NEQR, several different quantum scrambling methods using GB knowledge are designed. Not only can they change the histogram distribution of the image dramatically, some designed schemes can almost make the image histogram flush, enhance the anti-attack ability of digital image, but also their cost or complexity is very low. The simulation experiments result also shows a good performance and indicates the particular advantage of GB scrambling in quantum image processing field.
Quantum Information Processing – Springer Journals
Published: Mar 12, 2015
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