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

ZHANG Hongbin; FU Changhong; SU Weimin; CHAN Yuilam; SIU Wanchi

doi:10.11999/JEIT151426

Volume 38 Issue 10

Oct. 2016

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Article Navigation > Journal of Electronics & Information Technology > 2016 > 38(10): 2523-2530

Xu Shao-Kun, Liu Ji-Hong, Yuan Xiang-Yu, Lu Jing. Two Dimensional Geometric Feature Inversion Method for Midcourse Target Based on ISAR Image[J]. Journal of Electronics & Information Technology, 2015, 37(2): 339-345. doi: 10.11999/JEIT140338

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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

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

doi: 10.11999/JEIT151426

1.
2.
(School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China)

Funds:

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

Received Date: 2015-12-17
Rev Recd Date: 2016-06-22
Publish Date: 2016-10-19

Abstract

Abstract

An efficient Coding Unit (CU) decision algorithm is proposed for depth intra coding, in which the depth level of CU is predicted by Corner-Point (CP) and the co-located texture CU. More specially, firstly, the CPs are obtained by corner detector in junction with the quantization parameter, which are further used to pre-allocate the depth level. After that, the refinement of pre-allocation depth level is performed by considering the block partition of the co-located texture. Finally, different depth search range is selected based on the final pre-allocation depth levels. Simulation results show that the proposed algorithm can provide about 63% time saving with maintaining coding performance compared with the original 3D-HEVC method. On the other hand, it can achieve about 13% time saving while the BD-rate 3% decreased over the CU decision method that only considers the texture information.
- 3D-HEVC,
- Depth map,
- Intra coding,
- Coding unit,
- Corner Point (CP) detection

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References(25)

References

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