Automatic depth grading tool to successfully adapt stereoscopic 3D content to digital cinema and home viewing environments

Cédric Thébault; Didier Doyen; Pierre Routhier; Thierry Borel

doi:10.1117/12.2001280

12 March 2013 Automatic depth grading tool to successfully adapt stereoscopic 3D content to digital cinema and home viewing environments

Cédric Thébault, Didier Doyen, Pierre Routhier, Thierry Borel

Author Affiliations +

Proceedings Volume 8648, Stereoscopic Displays and Applications XXIV; 86480X (2013) https://doi.org/10.1117/12.2001280
Event: IS&T/SPIE Electronic Imaging, 2013, Burlingame, California, United States

Abstract

To ensure an immersive, yet comfortable experience, significant work is required during post-production to adapt the stereoscopic 3D (S3D) content to the targeted display and its environment. On the one hand, the content needs to be reconverged using horizontal image translation (HIT) so as to harmonize the depth across the shots. On the other hand, to prevent edge violation, specific re-convergence is required and depending on the viewing conditions floating windows need to be positioned. In order to simplify this time-consuming work we propose a depth grading tool that automatically adapts S3D content to digital cinema or home viewing environments. Based on a disparity map, a stereo point of interest in each shot is automatically evaluated. This point of interest is used for depth matching, i.e. to position the objects of interest of consecutive shots in a same plane so as to reduce visual fatigue. The tool adapts the re-convergence to avoid edge-violation, hyper-convergence and hyper-divergence. Floating windows are also automatically positioned. The method has been tested on various types of S3D content, and the results have been validated by a stereographer.

Citation Download Citation

Cédric Thébault, Didier Doyen, Pierre Routhier, and Thierry Borel "Automatic depth grading tool to successfully adapt stereoscopic 3D content to digital cinema and home viewing environments", Proc. SPIE 8648, Stereoscopic Displays and Applications XXIV, 86480X (12 March 2013); https://doi.org/10.1117/12.2001280

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