IMAGE WATERMARKING TECHNIQUE BASED ON WAVELET TRANSFORM AND SPREAD SPECTRUM

Ji Zhen; Zhang Jihong; Jiang Yifeng

Volume 23 Issue 8

Aug. 2001

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Article Navigation > Journal of Electronics & Information Technology > 2001 > 23(8): 809-813

Ji Zhen, Zhang Jihong, Jiang Yifeng. IMAGE WATERMARKING TECHNIQUE BASED ON WAVELET TRANSFORM AND SPREAD SPECTRUM[J]. Journal of Electronics & Information Technology, 2001, 23(8): 809-813.

Citation:

Ji Zhen, Zhang Jihong, Jiang Yifeng. IMAGE WATERMARKING TECHNIQUE BASED ON WAVELET TRANSFORM AND SPREAD SPECTRUM[J]. Journal of Electronics & Information Technology, 2001, 23(8): 809-813.

Ji Zhen, Zhang Jihong, Jiang Yifeng. IMAGE WATERMARKING TECHNIQUE BASED ON WAVELET TRANSFORM AND SPREAD SPECTRUM[J]. Journal of Electronics & Information Technology, 2001, 23(8): 809-813.

Citation:

Ji Zhen, Zhang Jihong, Jiang Yifeng. IMAGE WATERMARKING TECHNIQUE BASED ON WAVELET TRANSFORM AND SPREAD SPECTRUM[J]. Journal of Electronics & Information Technology, 2001, 23(8): 809-813.

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IMAGE WATERMARKING TECHNIQUE BASED ON WAVELET TRANSFORM AND SPREAD SPECTRUM

Ji Zhen^{①;张基宏},
Zhang Jihong,
Jiang Yifeng

Received Date: 2000-06-27
Rev Recd Date: 2000-11-10
Publish Date: 2001-08-19

Abstract

Abstract

In this paper, the wavelet transform is used to increase the invisibility of the digital image watermark because it can exploit the temporal and spatial phenomena of human visual system. The more robustness can be achieved if watermarks are first spread and then modulated with pseudo noise spread sequence. The multiple address characteristic of spread spectrum will also help multiple watermarking. The performances of the proposed digital image watermarking algorithm based on wavelet transform combined with spread spectrum theory are discussed in this paper, such as resisting the damages from JPEG compression, random noising, geometrical transformation and multiple watermarking.

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References(1)

References

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