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1. 北京工业大学电子信息与控制工程学院,北京100124
2. 香港理工大学电子资讯工程系,香港 九龙999077
[ "窦环(1988-),女,江苏仪征人,北京工业大学博士生,主要研究方向为多视点视频编码。" ]
[ "贾克斌(1961-),男,河南安阳人,北京工业大学教授、博士生导师,主要研究方向为多媒体信息处理。" ]
[ "陈锐霖(1971-),男,中国香港人,香港理工大学教授、博士生导师,主要研究方向为信息处理、视频编码。" ]
[ "萧允治(1950-),男,中国香港人,香港理工大学教授、博士生导师,主要研究方向为图像和视频技术。" ]
[ "吴强(1972-),男,山西沁县人,北京工业大学副教授、硕士生导师,主要研究方向为多媒体信息处理。" ]
网络出版日期:2016-03,
纸质出版日期:2016-03-25
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窦环, 贾克斌, 陈锐霖, 等. 基于纹理平滑度的视点合成失真优化快速算法[J]. 通信学报, 2016,37(3):98-106.
Huan DOU, Ke-bin JIA, Rui-lin CHEN, et al. Fast view synthesis optimization algorithm based on texture smoothness[J]. Journal on communications, 2016, 37(3): 98-106.
窦环, 贾克斌, 陈锐霖, 等. 基于纹理平滑度的视点合成失真优化快速算法[J]. 通信学报, 2016,37(3):98-106. DOI: 10.11959/j.issn.1000-436x.2016057.
Huan DOU, Ke-bin JIA, Rui-lin CHEN, et al. Fast view synthesis optimization algorithm based on texture smoothness[J]. Journal on communications, 2016, 37(3): 98-106. DOI: 10.11959/j.issn.1000-436x.2016057.
针对3D-HEVC 中深度图编码采用的视点合成失真优化方法的高复杂度问题,提出一种基于纹理平滑度的快速算法。首先结合帧内DC预测特性和统计学方法分析平坦纹理图中像素规律并设定基于纹理图平坦度的跳过准则;然后在深度图编码采用视点合成失真优化方法时提前分离出纹理图平坦区域所对应的深度图区域,并终止该区域像素基于虚拟视点合成的视点合成失真计算过程。实验结果证明该算法的有效性,能在保持编码质量的同时减少大量编码时间。
A fast algorithm was proposed in order to reduce the v ew synthesis optimization (VSO) process in depth cod-ing for 3D-HEVC based on texture map smoothness.With the coding nformation derived from texture video sequences
the pixel regularity of smooth texture region was analyzed to set the skip rule using the properties of intra DC prediction and statistical methods.Then the depth regions corres to the flat texture map regions could be extracted and the VSO process of pixels belonging to this type of depth could be skipped.Experimental results show the effective-ness of the proposed algorithm.
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MERKLE P , MORVAN Y , SMOLIC A , et al . The effect of depth com-pression on multiview rendering quality [C ] // 3DTV Conference:The True Vision-Capture,Transmission and Display of 3D Video . Istanbul , c 2008 : 245 - 248 .
TECH G , SCHWARZ H , MULLER K , et al . 3D video coding us ng the synthesized view distortion change [C ] // Picture Cod ng Symposium (PCS). Krakow , c 2012 : 25 - 28 .
OH B , LEE J , PARK D , et al . 3D-CE8.h results on view synthesis optimization by Samsung,HHI and LG-PKU [R ] . ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,1st Meeting,JCT3V-A0093 , Stockholm,Sweden , 2012 .
MA S , WANG S , GAO W . Low complexity adaptive view synthesis optimization in HEVC based 3D video coding [J ] . IEEE Transactions on Multimedia , 2014 , 16 ( 1 ): 266 - 271 .
MA S , WANG S , GAO W . Zero-synthesis view difference aware view synthesis optimization for HEVC based 3D video co pres-sion [J ] . Visual Communications & Image Processing,IEEE , 2012 , 333 ( 6 ): 1 - 6 .
WANG S , MA S , LIU H , et al . CE8.h:results of simplification of view synthesis optimization by detection of zero distortion change in syn-thesized view [R ] // 1st JCT3V Meeting,ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 JCT2-A0083 , Stockholm,SE , 2012 .
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OH B T , OH K J . View synthesis distortion estimation for avc-and hevc-compatible 3D video coding [J ] . IEEE Transactions on Circuits and Systems for Video Technology , 2014 , 24 ( 6 ): 1006 - 1015 .
ZHANG Q , TIAN L , HUANG L , et al . Rendering distortion estimation model for 3D high efficiency depth coding [J ] . Mathematical Problems in Engineering , 2014 ( 1 ): 1 - 7 .
LI C , JIN X , DAI Q . A novel distortion model for depth coding in 3D-HEVC [C ] // IEEE International Conference on Image Processing . Paris , c 2014 : 3228 - 3232 .
LI C , JIN X , DAI Q . An efficient distortion model configuration for depth coding in 3D-HEVC [C ] // IEEE Asia Pacific Conference on Cir-cuits and Systems . Ishigaki , c 2014 : 9 - 12 .
TECH G , WEGNER K , CHEN Y , et al . Test Model 8 of 3D-HEVC and MV-HEVC [R ] // 8th JCT3V Meeting,ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,JCT3V-H1003 , Valencia,ES , 2014 .
FRANK B , DAVID F , KARSTEN S . HEVC 3D extension software [EB/OL ] . https://hevc.hhi.fraunhofer.de/svn/svn_3DVCSoftware/tags/HTM-9.2/ https://hevc.hhi.fraunhofer.de/svn/svn_3DVCSoftware/tags/HTM-9.2/ .
MULLER K , VETRO A . Common test conditions of 3DV core expe-riments [R ] . JCT3V meeting,JCT3VG1100 , San Jose,US , 2014 .
BJONTEGAARDA G . Calculation of average psnr differences be-tween rd-curves [R ] . ITU-Telecommunications Standardization Secto vceg-m33 , 2001 .
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