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	Allowable Depth Distortion based Depth Preprocessing for High Efficiency 3D Video Coding
	Yun Zhang; Linwei Zhu; Xiangkai Liu; Gangyi Jiang
	2016
会议名称	ISCAS2016-IEEE International Symposium on Circuits and Systems
会议地点	加拿大，蒙特利尔
英文摘要	Depth videos shall be efficiently compressed and transmitted to the client for view synthesis in Three-Dimensional (3D) video system. Since depth video may contain noise that reduce the coding efficiency, we propose a depth filtering algorithm for 3D depth coding, which exploits the Allowable Depth Distortion (ADD) in view synthesis and is able to improve the coding performance of the depth encoder. Firstly, the depth values has the same rendering position based on the ADD model are clustered. Then, the clustered depth are filtered and set to the optimal depth value for each group by minimizing the view synthesis error. The filtered depth videos are smoother and can be more effectively compressed by the existing 3D High Efficiency Video Coding (HEVC) depth encoder. Experimental results show that the proposed depth filtering method can assist the depth encoder achieve 5.87% bit rate reduction in terms of Bjonteggard Delta Bit Rate (BDBR) and 0.25dB quality gain in terms of Bjonteggard Delta Peak-Signal-to-Noise Ratio (BDPSNR) on average as compared with that of coding the original depth maps.
收录类别	EI
语种	英语
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/10288]
专题	深圳先进技术研究院_数字所
作者单位	2016
推荐引用方式 GB/T 7714	Yun Zhang,Linwei Zhu,Xiangkai Liu,et al. Allowable Depth Distortion based Depth Preprocessing for High Efficiency 3D Video Coding[C]. 见: ISCAS2016-IEEE International Symposium on Circuits and Systems. 加拿大，蒙特利尔.

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