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Eighth ACIS International Conference on Software Engineering, Artificial Intelligence, Networking, and Parallel/Distributed Computing (SNPD 2007)
HVS-based Imperceptibility Measure of Watermark in Watermarked Color Image
Haier International Training Center, Qingdao, China
July 30-August 01
ISBN: 0-7695-2909-7
Hongmei Yang, Shandong University of Science and Technology, China
Yongquan Liang, Shandong University of Science and Technology, China
Lianshan Liu, Shandong University of Science and Technology, China
Haibin Sun, Shandong University of Science and Technology, China
Imperceptibility of embedded watermark reflects the fidelity of watermarked image. Based on the color masking and Watson?s JND(Just Noticeable Differences) model, a calculation method of JNCD(Just Noticeable Color Differences) is proposed. Then the masking weight for each element of color image is calculated using the JNCD and a new quality measure of watermarked color image is proposed, i.e. CPSNR (Color image Peak Signal to Noise Ratio). The quality of watermarked color image calculated by CPSNR is closer to the sensitivity of human vision than PSNR.
Citation:
Hongmei Yang, Yongquan Liang, Lianshan Liu, Haibin Sun, "HVS-based Imperceptibility Measure of Watermark in Watermarked Color Image," snpd, vol. 3, pp.722-727, Eighth ACIS International Conference on Software Engineering, Artificial Intelligence, Networking, and Parallel/Distributed Computing (SNPD 2007), 2007
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