Real-Time Depth-Image-Based Rendering for 3DTV Using OpenCL

被引：0
|
作者：
de Albuquerque Azevedo, Roberto Gerson [1 ]
Ismerio, Fernando [1 ]
Raposo, Alberto Barbosa [1 ]
Gomes Soares, Luiz Fernando [1 ]
机构：
[1] Pontifical Catholic Univ Rio de Janeiro, PUC Rio, Dept Informat, Rio De Janeiro, RJ, Brazil
来源：
ADVANCES IN VISUAL COMPUTING (ISVC 2014), PT 1 | 2014年 / 8887卷
关键词：
DIBR; OpenCL; GPGPU; Stereoscopic; 3DTV; GPU; DIBR;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper proposes a real-time (performance of at least 30 fps for full-HD video) Depth-Image-based Rendering (DIBR) approach for stereoscopic 3DTV using OpenCL. Many stereoscopic 3DTV, multi-view, and Free-viewpoint TV (FTV) technologies have been based on DIBR, aiming at saving bandwidth, and to allow for user adaptation in the client-side. Unlike related work, this paper uses OpenCL for all the DIBR steps, including the re-projection in the virtual views (which is commonly performed using OpenGL, even when implemented in GPGPUs). The use of OpenCL-only can, in some cases, outperform the OpenGL z-testing performance. Two execution models have been implemented (per-line parallel, and per-pixel parallel) and tested against standard video-plus-depth test sequences to show the approach performance.
引用
收藏
页码：97 / 106
页数：10
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