A New Algorithm to Derive Hardware Efficient Integer Discrete Cosine Transform for HEVC

被引：0
|
作者：
Qin, Boyu [1 ]
Chen, Jiajia [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Nanjing, Peoples R China
来源：
2020 ASIA-PACIFIC SIGNAL AND INFORMATION PROCESSING ASSOCIATION ANNUAL SUMMIT AND CONFERENCE (APSIPA ASC) | 2020年
关键词：
discrete cosine transform; High Efficiency Video Coding; video coding; DESIGN;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
IIEVC (High Efficiency Video Coding) is a popular video coding standard. With the rapid development of multimedia technology, people pursue not only the high definition of video, but also the portability and miniaturization of devices, which brings great challenges to the low -power design of video encoding chips. To provide solutions to address both compression quality and hardware efficiency, a measure for evaluating the hardware cost in integer DCT unit of IIEVC is proposed in this paper, which helps to determine the most hardware efficient transform matrix. In addition, Genetic Algorithm is used to solve the multi -objective optimization to derive the solution for better coding performance. Experiments show that the transform matrix derived and its hardware implementation has advantages in both hardware cost and coding performance. Compared with the most competitive methods in recent years, the hardware cost of the proposed method has been successfully reduced by at least 15.35% of chip area and 4.91% of power consumption.
引用
收藏
页码：6 / 10
页数：5
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