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3D-HEVC深度图像帧内编码单元划分快速算法

张洪彬 伏长虹 苏卫民 陈锐霖 萧允治

张洪彬, 伏长虹, 苏卫民, 陈锐霖, 萧允治. 3D-HEVC深度图像帧内编码单元划分快速算法[J]. 电子与信息学报, 2016, 38(10): 2523-2530. doi: 10.11999/JEIT151426
引用本文: 张洪彬, 伏长虹, 苏卫民, 陈锐霖, 萧允治. 3D-HEVC深度图像帧内编码单元划分快速算法[J]. 电子与信息学报, 2016, 38(10): 2523-2530. doi: 10.11999/JEIT151426
ZHANG Hongbin, FU Changhong, SU Weimin, CHAN Yuilam, SIU Wanchi. Fast Coding Unit Decision Algorithm for Depth Intra Coding in 3D-HEVC[J]. Journal of Electronics & Information Technology, 2016, 38(10): 2523-2530. doi: 10.11999/JEIT151426
Citation: ZHANG Hongbin, FU Changhong, SU Weimin, CHAN Yuilam, SIU Wanchi. Fast Coding Unit Decision Algorithm for Depth Intra Coding in 3D-HEVC[J]. Journal of Electronics & Information Technology, 2016, 38(10): 2523-2530. doi: 10.11999/JEIT151426

3D-HEVC深度图像帧内编码单元划分快速算法

doi: 10.11999/JEIT151426
基金项目: 

国家自然科学基金(61301109),江苏省自然科学基金(BK2012395)

Fast Coding Unit Decision Algorithm for Depth Intra Coding in 3D-HEVC

Funds: 

The National Natural Science Foundation of China (61301109), The Natural Science Foundation of Jiangsu Province (BK2012395)

  • 摘要: 针对3维高性能视频编码(3D-HEVC)中深度图像帧内编码单元(Coding Unit, CU)划分复杂度高的问题,该文提出一种基于角点和彩色图像的自适应快速CU划分算法。首先利用角点算子,并根据量化参数选取一定数目的角点,以此进行CU的预划分;然后联合彩色图像的CU划分对预划分的CU深度级进行调整;最后依据调整后的CU深度级,缩小当前CU的深度级范围。实验结果表明,与原始3D-HEVC的算法相比,该文所提算法平均减少了约63%的编码时间;与只基于彩色图像的算法相比,该文的算法减少了约13%的编码时间,同时降低了约3%的平均比特率,有效地提高了编码效率。
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出版历程
  • 收稿日期:  2015-12-17
  • 修回日期:  2016-06-22
  • 刊出日期:  2016-10-19

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