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

Cheolkon Jung; Hongtao Qi; Zengzeng Sun; Licheng Jiao

doi:10.1117/1.JEI.22.4.043023

16 December 2013 Three-dimensional dictionary-based deblocking for high-quality stereoscopic view generation

Cheolkon Jung, Hongtao Qi, Zengzeng Sun, Licheng Jiao

Author Affiliations +

Journal of Electronic Imaging, Vol. 22, Issue 4, 043023 (December 2013). https://doi.org/10.1117/1.JEI.22.4.043023

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.

Citation Download Citation

Cheolkon Jung, Hongtao Qi, Zengzeng Sun, and Licheng Jiao "Three-dimensional dictionary-based deblocking for high-quality stereoscopic view generation," Journal of Electronic Imaging 22(4), 043023 (16 December 2013). https://doi.org/10.1117/1.JEI.22.4.043023

Published: 16 December 2013

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KEYWORDS

3D image processing

Image compression

Associative arrays

Image quality

3D displays

3D image reconstruction

Image processing

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