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Abstract We propose a disparity-constrained retargeting method for stereoscopic 3D video, which simultaneously resizes a binocular video to a new aspect ratio and remaps the depth to the perceptual comfort zone. First, we model distortion energies to prevent important video contents from deforming. Then, to maintain depth mapping stability, we model disparity variation energies to constraint the disparity range both in spatial and temporal domains. The last component of our method is a non-uniform, pixel-wise warp to the target resolution based on these energy models. Using this method, we can process the original stereoscopic video to generate new, high-perceptual-quality versions at different display resolutions. For evaluation, we conduct a user study; we also discuss the performance of our method.


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A retargeting method for stereoscopic 3D video

Show Author's information Yi Liu1( )Lifeng Sun2Shiqiang Yang2
Department of Computer Science and Technology, Tsinghua University, Tsinghua NLIST, Beijing 100084, China.
Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China.

Abstract

Abstract We propose a disparity-constrained retargeting method for stereoscopic 3D video, which simultaneously resizes a binocular video to a new aspect ratio and remaps the depth to the perceptual comfort zone. First, we model distortion energies to prevent important video contents from deforming. Then, to maintain depth mapping stability, we model disparity variation energies to constraint the disparity range both in spatial and temporal domains. The last component of our method is a non-uniform, pixel-wise warp to the target resolution based on these energy models. Using this method, we can process the original stereoscopic video to generate new, high-perceptual-quality versions at different display resolutions. For evaluation, we conduct a user study; we also discuss the performance of our method.

Keywords: image warping, stereoscopic 3D video, retargeting, disparity manipulation

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Publication history
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Publication history

Revised: 13 March 2015
Accepted: 11 May 2015
Published: 16 August 2015
Issue date: June 2015

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© The Author(s) 2015

Acknowledgements

This work was supported by the National Basic Research Program of China under Grant No. 2011CB302206, the National Natural Science Foundation of China under Grant Nos. 61272226 and 61272231, and Beijing Key Laboratory of Networked Multimedia.

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