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Proceedings Article

Automatic detection of artifacts in converted S3D video

[+] Author Affiliations
Alexander Bokov, Dmitriy Vatolin, Anton Zachesov, Alexander Belous, Mikhail Erofeev

Lomonosov Moscow State Univ. (Russian Federation)

Proc. SPIE 9011, Stereoscopic Displays and Applications XXV, 901112 (March 6, 2014); doi:10.1117/12.2054330
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From Conference Volume 9011

  • Stereoscopic Displays and Applications XXV
  • Andrew J. Woods; Nicolas S. Holliman; Gregg E. Favalora
  • San Francisco, California, United States | February 02, 2014

abstract

In this paper we present algorithms for automatically detecting issues specific to converted S3D content. When a depth-image-based rendering approach produces a stereoscopic image, the quality of the result depends on both the depth maps and the warping algorithms. The most common problem with converted S3D video is edge-sharpness mismatch. This artifact may appear owing to depth-map blurriness at semitransparent edges: after warping, the object boundary becomes sharper in one view and blurrier in the other, yielding binocular rivalry. To detect this problem we estimate the disparity map, extract boundaries with noticeable differences, and analyze edge-sharpness correspondence between views. We pay additional attention to cases involving a complex background and large occlusions. Another problem is detection of scenes that lack depth volume: we present algorithms for detecting at scenes and scenes with at foreground objects. To identify these problems we analyze the features of the RGB image as well as uniform areas in the depth map. Testing of our algorithms involved examining 10 Blu-ray 3D releases with converted S3D content, including Clash of the Titans, The Avengers, and The Chronicles of Narnia: The Voyage of the Dawn Treader. The algorithms we present enable improved automatic quality assessment during the production stage. © (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Alexander Bokov ; Dmitriy Vatolin ; Anton Zachesov ; Alexander Belous and Mikhail Erofeev
" Automatic detection of artifacts in converted S3D video ", Proc. SPIE 9011, Stereoscopic Displays and Applications XXV, 901112 (March 6, 2014); doi:10.1117/12.2054330; http://dx.doi.org/10.1117/12.2054330


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