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一种高效的HEVC残差四叉树变换快速判决算法

A High Effective Fast Decision Algorithm for Residual Quad-Tree Transform of HEVC
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摘要 HEVC的残差四叉树变换结构(RQT)在提升编码效率的同时也显著增加了编码器的计算复杂度。为降低其计算复杂度高,本论述提出一种基于特征自适应分类和三级快速判断的HEVC变换单元快速判决算法。在分析HQT结构和各分类特征的基础上,综合使用预测模式、预测残差、运动矢量差、非零量化系数等特征,进行RQT自适应分类预测。并依据TU尺寸设计三级快速判断的RQT提前终止阈值,以保障算法较高的检出率和准确性。在HM12.0平台上的实验测试表明,该算法提高了50.25%的RQT判决速度,而BD-R仅损失0.18%。
出处 《甘肃科技纵横》 2018年第4期1-7,10,共8页 Scientific & Technical Information of Gansu
基金 嘉兴市科技计划项目2016年度课题"基于二维照片的服装MTM智能远程定制测量系统研究"(No.2016AY13010)
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  • 1ITU-T Q6/16 Visual Coding and ISO/IEC JTC1/SC29/ WGll Coding of Moving Pictures and Audio, Joint Call for Proposals on Video Compression Technology, ISO/IEC JTC1/SC29/WGll/Nl1113, Kyoto, Japan, 2010.
  • 2Joint Call for Proposals on Video Compression Technology, ITU T Q6/16, Document VCEG-AM91, Kyoto, Japan, 2010.
  • 3Vision, Applications and Requirements for High-Perform ance video coding. ISO/IEC JTC1/SC29/WGll, MPEG09/ Nl1096, 2009.
  • 4Advanced Video Coding for Generic Audiovisual Services, Information Technology-Coding of Audio Visual Objects,Part 10: Advanced Video Coding, document ITU-T Rec. H. 264, ISO/IEC 14496-10, 2009, 2010.
  • 5Bross B, Han W-J, Ohm J-R, et al. High efficiency video coding (HEVC) text specification draft 8. Joint Collaborative Team on Video Coding (JCTVC-J1003), 2012.
  • 6Sullivan G J, Ohm J-R, Han W-J, Wiegand T. Overview of the high efficiency video coding (HEVC) standard. IEEE Transactions on Circuits Systems Video Technololgy, 2012, 22(12) : 1648-1667.
  • 7Ohm J-R, Sullivan G, et al. Special section on the joint call for proposals on high efficiency video coding standardization. IEEE Transactions on Circuits Systems Video Technol, 2010, 20(12): 1661-1666.
  • 8Ostermann J, Narroschke M. Draft requirements for next- generation video coding project. ITU-T Q. 6/SG16, VCEG- AL96, 2009.
  • 9Sullivan G J, Ohm J-R. Meeting report of the first meeting of the joint collaborative team on video coding (JCT-VC). Joint Collaborative Team on Video Coding, document JCTVC-A200.doe, Dresden, Germany, 2010.
  • 10Amonou I, et al. Description of video coding technology pro- posal by france telecom, NTT, NTT DOCOMO, Panasonic and Technicolor, ITU T SG16 WP3 and ISO/IEC JTC1/ SC29/WG11 document JCTVCA114, Joint Collaborative Team on Video Coding (JCT-VC), Dresden, Germany, 2010.

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