ISSN 1673-9418 CODEN JKYTA8
Journal of Frontiers of Computer Science and Technology
1673-9418/2014/08(05)-0537-06
doi: 10.3778/j.issn.1673-9418.1310008
E-mail: fcst@vip.163.com
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基于图形信息的 HEVC帧间预测快速算法
*
张 强，袁 春
+
清华大学深圳研究生院 计算机科学与技术系，广东 深圳 518055
Fast Inter-Frame Prediction Algorithm of HEVC Based on Graphic Information
ZHANG Qiang, YUAN Chun
+
Department of Computer Science and Technology, Shenzhen Graduate School of Tsinghua University, Shenzhen,
Guangdong 518055, China
+ Corresponding author: E-mail: yuanc@sz.tsinghua.edu.cn
ZHANG Qiang, YUAN Chun. Fast inter-frame prediction algorithm of HEVC based on graphic information.
Journal of Frontiers of Computer Science and Technology, 2014, 8(5)：537-542.
Abstract: Since the latest video coding standard HEVC (high efficiency video coding) uses quad-tree recursive
structure to divide coding unit (CU), it adds a lot of computation complexity to the inter-frame prediction and makes
coding efficiency decline. This paper proposes a fast inter-frame prediction algorithm based on texture information
and stationary regions determination, which is aimed to determine the homogeneity regions and the stationary regions
to early skip the CU split. The homogeneity regions and the stationary regions can have accurate motion prediction
using large CU size, and needn’t be split into smaller ones, which will reduce the computation complexity. The experi-
mental results show that the proposed algorithm can achieve a reduction of 34% encoding time on average, with
0.038 dB PSNR loss and 0.56% bit rate increase, compared with the original HEVC reference software (HM10.0).
Key words: high efficiency video coding (HEVC); video coding; inter-frame prediction; texture; stationary regions
摘 要：由于最新的视频编码标准 HEVC（high efficiency video coding）应用四叉树的递归结构进行编码单元
的划分，使得帧间预测的过程极为复杂，编码的时间效率比较低下。针对 HEVC帧间预测过程，提出了一种基
于纹理信息和稳定区域检测的快速算法，旨在检测出相对平坦的区域和随时间变化较稳定的区域，来提前终
止四叉树的编码单元的划分。这些平坦或者稳定的区域用较大的编码预测单元就能进行比较准确的运动估
* The National Natural Science Foundation of China under Grant No. 2002Z11041 (国家自然科学基金).
Received 2013-10, Accepted 2014-03.
CNKI网络优先出版：2014-03-14, http://www.cnki.net/kcms/doi/10.3778/j.issn.1673-9418.1310008.html
张 强，袁 春.基于图形信息的 HEVC帧间预测快速算法[J].计算机科学与探索，2014，8（5）：537-542.
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