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Unobtrusiveness measure for digital watermarking

[+] Author Affiliations
Li Gang, Yang Jie

Shanghai Jiaotong University, The Institute of Image Processing and Pattern Recognition, Shanghai, China 200030

J. Electron. Imaging. 14(2), 023010 (May 27, 2005). doi:10.1117/1.1902995
History: Received Jul. 21, 2003; Revised Mar. 3, 2004; Accepted Aug. 31, 2004; May 27, 2005; Online May 27, 2005
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In this paper, we discuss the visibility problem of the digital watermarking from the point of unobtrusiveness. A new approach to fully automatic watermark visibility computation is presented. From the view of spatial domain, the visibility can be explained from two aspects, contrast and luminance. Two criterions for contrast and luminance are also proposed. Applying the criteria to local windows, two kinds of images are obtained called T-image and L-image. Experiments show that these two images provide good measurement for unobtrusiveness. © 2005 SPIE and IS&T.

© 2005 SPIE and IS&T

Citation

Li Gang and Yang Jie
"Unobtrusiveness measure for digital watermarking", J. Electron. Imaging. 14(2), 023010 (May 27, 2005). ; http://dx.doi.org/10.1117/1.1902995


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