Research and Simulation of Performance of W-SVD Watermarking Algorithm Based on Color Images

Abstract:

The paper presents an algorithm for digital watermarking in colored image, which combined with singular value decomposition and discrete wavelet transform, it selects R-vector of colored image to do discrete wavelet decomposition, and extracts the low-frequency coefficients to finish singular value decomposition and generate watermark template, then reconstructs image after embed watermarking, completes the process of embedding watermarking. The algorithm makes full use of the excellent properties of the wavelet and singular value decomposition, which makes good performance for watermarking system. To this algorithm, the paper studied from two aspects of the image perceptual quality and robustness, and analyze the influence of the parameters in the performance of watermarking algorithm, a number of experiments and data show that these values may bring essential influence to the performance of digital watermarking system, also explains the importance of value selection in the algorithm. The conclusion of the paper is typical and universal, has certain reference significance to research and design the watermarking algorithm.

• Periodical: Applied Mechanics and Materials (Volumes 513-517)
• Pages: 1980-1983
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.513-517.1980
• Online since: February 2014
• Authors: Hou Xiao Fang*, Zhang Chun E
• Keywords: Digital Watermarking, Normalized Correlation, Singular Value Decomposition

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