An Algorithm to Control Watermarking Capacity Using PSNR

Yong Xing; Dao Shun Wang

doi:10.4028/www.scientific.net/AMR.989-994.2368

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 989-994An Algorithm to Control Watermarking Capacity...

An Algorithm to Control Watermarking Capacity Using PSNR

Abstract:

Some existing methods for estimating image watermarking capacity may degenerate the quality of stego-image when the estimated capacity is achieved. In this paper, based on the Region of Interest (ROI) model, we discuss on the capacity problem and the quality of stego-images using PSNR. Considering the trade-off between capacity and quality, our method estimates the allowable distortion for each pixel in spatial domain in terms of the specific PSNR of stego-image. Experimental results show our method ensures a good control over the capacity without introducing artifacts.

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Periodical:

Advanced Materials Research (Volumes 989-994)

Pages:

2368-2372

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.989-994.2368

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Online since:

July 2014

Authors:

Yong Xing*, Dao Shun Wang

Keywords:

Image Quality, Perceptual Model, PSNR, Watermarking Capacity

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