Block-level fast coding scheme for depth maps in three-dimensional high efficiency video coding

Mário Saldanha; Gustavo Sanchez; César Marcon; Luciano Agostini

doi:10.1117/1.JEI.27.1.010502

7 February 2018 Block-level fast coding scheme for depth maps in three-dimensional high efficiency video coding

Mário Saldanha, Gustavo Sanchez, César Marcon, Luciano Agostini

Author Affiliations +

Journal of Electronic Imaging, Vol. 27, Issue 1, 010502 (February 2018). https://doi.org/10.1117/1.JEI.27.1.010502

Abstract

A block-level fast coding scheme for depth maps coding in 3D-high efficiency video coding (3D-HEVC) is presented. The proposed scheme uses the information of the correlated texture coding unit (CU) to accelerate the encoding depth map CU. The experimental analysis demonstrates that when the SKIP mode encodes the texture CU, the current depth map CU has a high probability of being encoded by SKIP or depth intraskip mode. Therefore, the evaluation of the remaining encoding modes can be skipped when any of these modes obtained a low rate-distortion cost. Experimental results obtained through 3D-HEVC test model 16.0 report that our scheme reduces the encoding time by 26.9% with encoding efficiency losses lower than 0.3%.

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Mário Saldanha, Gustavo Sanchez, César Marcon, and Luciano Agostini "Block-level fast coding scheme for depth maps in three-dimensional high efficiency video coding," Journal of Electronic Imaging 27(1), 010502 (7 February 2018). https://doi.org/10.1117/1.JEI.27.1.010502

Received: 13 September 2017; Accepted: 19 January 2018; Published: 7 February 2018

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