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High-performance depth map coding for 3D-AVC

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Abstract

Achieving high-performance coding for a depth map is one of the most important challenges in 3D video coding. In this paper, a quality enhancement method is proposed to accomplish better coding efficiency. A new technique separating contour and flat regions is designed, and a contour-aware quality enhancement algorithm is presented to improve depth map quality. We also propose a fast mode decision process to reduce computational complexity. The proposed fast algorithm uses similarity between texture video and depth map coding. The encoding process for a depth map is terminated early by using coded information from a texture video. Experimental results show that the quality of the depth map is improved by 0.11–0.59 dB, which translates into a bit rate saving of 2.19–8.19 %. The proposed fast algorithm saves encoding time, on average, by 36.4 %.

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Authors and Affiliations

  1. Department of Computer Engineering, Pusan National University, Busan, Korea

    Jinmi Kang & Kidong Chung

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  1. Jinmi Kang
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  2. Kidong Chung
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Correspondence to Jinmi Kang.

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Kang, J., Chung, K. High-performance depth map coding for 3D-AVC. SIViP 10, 1017–1024 (2016). https://doi.org/10.1007/s11760-015-0853-6

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  • DOI: https://doi.org/10.1007/s11760-015-0853-6

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