Journal of Information Processing Systems

  • 제18권2호
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  • Pages.235-244
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  • 2022
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  • 1976-913X(pISSN)
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  • 2092-805X(eISSN)
한국정보처리학회 (Korea Information Processing Society)
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A Fast Inter-prediction Mode Decision Algorithm for HEVC Based on Spatial-Temporal Correlation

  • Yao, Weixin (School of Electrical Engineering, Anhui Polytechnic University) ;
  • Yang, Dan (School of Computer Science and Information, Anhui Polytechnic University)
  • 투고 : 2020.07.10
  • 심사 : 2021.03.26
  • 발행 : 2022.04.30
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초록

Many new techniques have been adopted in HEVC (High efficiency video coding) standard, such as quadtree-structured coding unit (CU), prediction unit (PU) partition, 35 intra-mode, and so on. To reduce computational complexity, the paper proposes two optimization algorithms which include fast CU depth range decision and fast PU partition mode decision. Firstly, depth range of CU is predicted according to spatial-temporal correlation. Secondly, we utilize the depth difference between the current CU and CU corresponding to the same position of adjacent frame for PU mode range selection. The number of traversal candidate modes is reduced. The experiment result shows the proposed algorithm obtains a lot of time reducing, and the loss of coding efficiency is inappreciable.

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과제정보

This work is supported by the Emerging Engineering Project of Anhui Polytechnic University (No. 2018xgksfkc08), the National Natural Science Foundation of China (No. 61572033), Key Projects of Natural Science Research Fund of Anhui Province (No. KJ2015A311), the Open Research Fund of Anhui Key Laboratory of Detection Technology and Energy Saving Devices, Anhui Polytechnic University (No. DTESD2020B07), and Anhui Polytechnic University research fund (No. Xjky2020121, Xjky2020029).

참고문헌

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