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24 September 2014 Full high-definition real-time depth estimation for three-dimensional video system
Hejian Li, Ping An, Zhaoyang Zhang
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Optical Engineering, Vol. 53, Issue 9, 093108 (September 2014). https://doi.org/10.1117/1.OE.53.9.093108
Abstract
Three-dimensional (3-D) video brings people strong visual perspective experience, but also introduces large data and complexity processing problems. The depth estimation algorithm is especially complex and it is an obstacle for real-time system implementation. Meanwhile, high-resolution depth maps are necessary to provide a good image quality on autostereoscopic displays which deliver stereo content without the need for 3-D glasses. This paper presents a hardware implementation of a full high-definition (HD) depth estimation system that is capable of processing full HD resolution images with a maximum processing speed of 125 fps and a disparity search range of 240 pixels. The proposed field-programmable gate array (FPGA)-based architecture implements a fusion strategy matching algorithm for efficiency design. The system performs with high efficiency and stability by using a full pipeline design, multiresolution processing, synchronizers which avoid clock domain crossing problems, efficient memory management, etc. The implementation can be included in the video systems for live 3-D television applications and can be used as an independent hardware module in low-power integrated applications.
CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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Hejian Li, Ping An, and Zhaoyang Zhang "Full high-definition real-time depth estimation for three-dimensional video system," Optical Engineering 53(9), 093108 (24 September 2014). https://doi.org/10.1117/1.OE.53.9.093108
Published: 24 September 2014
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Cited by 5 scholarly publications.
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KEYWORDS
Video
Field programmable gate arrays
Image processing
3D displays
Clocks
Cameras
Stereo vision systems
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