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Proceedings Paper

3D watermarking scheme in stereo vision system
Author(s): Dong-Choon Hwang; Kyung-hoon Bae; Jung-Hwan Ko; Eun-Soo Kim
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Paper Abstract

In this paper, 3D watermarking scheme in stereo vision system is proposed. A watermark data is embedded into the right image of a stereo image pair by using the DWT algorithm and disparity data is extracted from the left and watermarked right images. And then, disparity data and the left image are transmitted to the recipient through the communication channel. At the receiver, the watermarked right image is reconstructed from the received left image and disparity data by employing the FMA. From the difference between the watermarked and original right images, the embedded watermark image can be finally extracted. From experiments using the stereo image pair of 'Friends' and a watermark data of '3DRC', it is found that PSNR of the watermark image extracted from the reconstructed right image through the FMA and DWT algorithms can be increased up to 2.87dB, 2.58dB on average by comparing with those of the FMA and DCT algorithm when the quantizer Scale(Q.S) is kept to be 16 and 20, respectively.

Paper Details

Date Published: 16 September 2005
PDF: 10 pages
Proc. SPIE 5909, Applications of Digital Image Processing XXVIII, 590928 (16 September 2005); doi: 10.1117/12.619602
Show Author Affiliations
Dong-Choon Hwang, Kwangwoon Univ. (South Korea)
Kyung-hoon Bae, Kwangwoon Univ. (South Korea)
Jung-Hwan Ko, Kwangwoon Univ. (South Korea)
Eun-Soo Kim, Kwangwoon Univ. (South Korea)

Published in SPIE Proceedings Vol. 5909:
Applications of Digital Image Processing XXVIII
Andrew G. Tescher, Editor(s)

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