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Multimedia Tools and Applications

, Volume 78, Issue 1, pp 363–387 | Cite as

All zero block detection for HEVC based on the quantization level of the maximum transform coefficient

  • Henglu WeiEmail author
  • Wei Zhou
  • Xiu Zhang
  • Xin Zhou
  • Zhemin Duan
Article
  • 45 Downloads

Abstract

Transform/quantization (T/Q) is one of the high complex modules in high efficiency video coding (HEVC). In this paper, all zero block (AZB) detection algorithm for HEVC is proposed to reduce the complexity of T/Q. The proposed AZB detection algorithm is based on the quantization level of the maximum transform coefficient, which is suitable for both uniform quantizer (UQ) and rate-distortion optimized quantizer (RDOQ). Experimental results show that 46% complexity of T/Q for UQ and 42% for RDOQ can be reduced with negligible loss of video quality and compression efficiency, outperforming the state-of-the-art methods.

Keywords

HEVC All zero block UQ RDOQ Maximum transform coefficient Quantization level 

Notes

Acknowledgments

This work was supported in part by the National Natural Science Foundation of China (61602383 and 61772424), the Fundamental Natural Science Research Funds of Shaanxi Province (2018JQ6016 and 2017JQ6019), and the Innovation Foundation for Doctor Dissertation of Northwestern Polytechnical University (CX201716).

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Electronics and InformationNorthwestern Polytechnical UniversityXi’anChina
  2. 2.School of AutomationNorthwestern Polytechnical UniversityXi’anChina

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