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Three-dimensional dictionary-based deblocking for high-quality stereoscopic view generation

[+] Author Affiliations
Cheolkon Jung

Xidian University, Key Lab of Intelligent Perception and Image Understanding of Ministry of Education of China, Xi’an 710071, China

Hongtao Qi

Xidian University, Key Lab of Intelligent Perception and Image Understanding of Ministry of Education of China, Xi’an 710071, China

Zengzeng Sun

Xidian University, Key Lab of Intelligent Perception and Image Understanding of Ministry of Education of China, Xi’an 710071, China

Licheng Jiao

Xidian University, Key Lab of Intelligent Perception and Image Understanding of Ministry of Education of China, Xi’an 710071, China

J. Electron. Imaging. 22(4), 043023 (Dec 16, 2013). doi:10.1117/1.JEI.22.4.043023
History: Received June 26, 2013; Revised October 28, 2013; Accepted November 8, 2013
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Abstract.  Image quality and depth perception rates in three-dimensional television (3-D TV) are undesirably decreased by coding due to the loss of high-frequency components caused by a block-based discrete cosine transform transform. Representative coding artifacts are blocking artifacts that seriously degrade the picture quality and depth perception rates. We propose a new blocking artifact reduction method in 3-D TV using an overcomplete 3-D dictionary. We first generate the overcomplete 3-D dictionary from natural and depth images using the k-singular value decomposition algorithm. Then, we perform deblocking using the 3-D dictionary after estimating an error threshold of the objective function by the third-order polynomial fitting. Experimental results demonstrate that the proposed method can effectively reduce annoying blocking artifacts in compressed 3-D images, i.e., video-plus-depth, and generate high-quality 3-D stereoscopic views.

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Citation

Cheolkon Jung ; Hongtao Qi ; Zengzeng Sun and Licheng Jiao
"Three-dimensional dictionary-based deblocking for high-quality stereoscopic view generation", J. Electron. Imaging. 22(4), 043023 (Dec 16, 2013). ; http://dx.doi.org/10.1117/1.JEI.22.4.043023


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