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Proceedings Paper

Research on adaptive digital watermarking based on spread spectrum
Author(s): Quan Li; Xuemei Jiang; Namin Yu
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Paper Abstract

In this paper, the direct-sequence spread-spectrum technique is introduced to spread watermark signal. Then by utilizing a just noticed difference threshold in spatial domain based on visual masking effect of human visual system, watermarks strength and the embedded locations can be controlled in imagae adaptively. It was shown with experiments that the digital watermark not only can guarantee the transparency, but also has good robustness to JPEG compression, median filter, sub-sampling, etc.

Paper Details

Date Published: 25 September 2003
PDF: 4 pages
Proc. SPIE 5286, Third International Symposium on Multispectral Image Processing and Pattern Recognition, (25 September 2003); doi: 10.1117/12.538859
Show Author Affiliations
Quan Li, Wuhan Univ. of Technology (China)
Xuemei Jiang, Wuhan Univ. of Technology (China)
Namin Yu, Wuhan Univ. of Technology (China)


Published in SPIE Proceedings Vol. 5286:
Third International Symposium on Multispectral Image Processing and Pattern Recognition
Hanqing Lu; Tianxu Zhang, Editor(s)

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