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High-definition three-dimensional television disparity map computation

[+] Author Affiliations
Afef Chammem

Telecom SudParis, 9 rue Charles Fourier, 91011 Evry, France

Mihai Mitrea

Telecom SudParis, 9 rue Charles Fourier, 91011 Evry, France

Françoise Prêteux

MINES ParisTech, 60, boulevard Saint Michel, 75006 Paris, France

J. Electron. Imaging. 21(4), 043024 (Dec 17, 2012). doi:10.1117/1.JEI.21.4.043024
History: Received August 23, 2012; Revised October 25, 2012; Accepted November 15, 2012
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Abstract.  By reconsidering some two-dimensional video inherited approaches and by adapting them to the stereoscopic video content and to the human visual system peculiarities, a new disparity map is designed. First, the inner relation between the left and the right views is modeled by some weights discriminating between the horizontal and vertical disparities. Second, the block matching operation is achieved by considering a visual related measure (normalized cross correlation) instead of the traditional pixel differences (mean squared error or sum of absolute differences). The advanced three-dimensional (3-D) video-new three step search (3DV-NTSS) disparity map (3-D Video-New Three Step Search) is benchmarked against two state-of-the-art algorithms, namely NTSS and full-search MPEG (FS-MPEG), by successively considering two corpora. The first corpus was organized during the 3DLive French national project and regroups 20 min of stereoscopic video sequences. The second one, with similar size, is provided by the MPEG community. The experimental results demonstrate the effectiveness of 3DV-NTSS in both reconstructed image quality (average gains between 3% and 7% in both PSNR and structural similarity, with a singular exception) and computational cost (search operation number reduced by average factors between 1.3 and 13). The 3DV-NTSS was finally validated by designing a watermarking method for high definition 3-D TV content protection.

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© 2012 SPIE and IS&T

Citation

Afef Chammem ; Mihai Mitrea and Françoise Prêteux
"High-definition three-dimensional television disparity map computation", J. Electron. Imaging. 21(4), 043024 (Dec 17, 2012). ; http://dx.doi.org/10.1117/1.JEI.21.4.043024


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