Joint texture and depth map video coding based on the scalable extension of H.264/AVC
Siping Tao
Ying Chen
Hannuksela, M.M.
Ye-Kui Wang
Gabbouj, M.
Houqiang Li
Univ. of Sci. & Technol. of China, Hefei, China;
This paper appears in: Circuits and Systems, 2009. ISCAS 2009. IEEE International Symposium on
Publication Date: 24-27 May 2009
On page(s): 2353-2356
Location: Taipei,
ISBN: 978-1-4244-3827-3
INSPEC Accession Number: 10761058
Digital Object Identifier: 10.1109/ISCAS.2009.5118272
Posted online: 2009-06-26 10:56:28.0
Abstract
Depth-Image-Based Rendering (DIBR) is widely used for view synthesis in 3D video applications. Compared with traditional 2D video applications, both the texture video and its associated depth map are required for transmission in a communication system that supports DIBR. To efficiently utilize limited bandwidth, coding algorithms, e.g. the Advanced Video Coding (H.264/AVC) standard, can be adopted to compress the depth map using the 4:0:0 chroma sampling format. However, when the correlation between texture video and depth map is exploited, the compression efficiency may be improved compared with encoding them independently using H.264/AVC. A new encoder algorithm which employs Scalable Video Coding (SVC), the scalable extension of H.264/AVC, to compress the texture video and its associated depth map is proposed in this paper. Experimental results show that the proposed algorithm can provide up to 0.97 dB gain for the coded depth maps, compared with the simulcast scheme, wherein texture video and depth map are coded independently by H.264/AVC.
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