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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Jiayi Zhu Li Guo Dajiang Zhou Kimura, S. Goto, S. |
| Copyright Year | 2015 |
| Description | Author affiliation: Waseda Univ., Tokyo, Japan (Jiayi Zhu; Li Guo; Dajiang Zhou; Kimura, S.; Goto, S.) |
| Abstract | FRC (frame re-compression) is a kind of widely used technique in reducing the SDRAM (synchronous dynamic random access memory) bandwidth of HEVC video system. However, in previous research works, FRC imposes requirements on accessing pattern and hence its usage are only limited in HEVC video codecs. While in a typical HEVC VLSI video system, there exists many other video IPs with high bandwidth requirements. Therefore, in this article, we propose a new FRC architecture to overcome the limitation and make it applicable to all the video IPs in a HEVC VLSI video system, which raises the overall bandwidth reduction rate of the whole video system. Our proposal has two points: firstly we propose a system internal bus based FRC architecture, which is independent, transparent, and easily connected to all other video IPs. Secondly, we propose a FA (freely access) scheme to remove the requirements on access pattern in previous work. By using this proposal, the bandwidth reduction rate in our VLSI video system model is raised from 92.4% to 69.6%. |
| Starting Page | 609 |
| Ending Page | 612 |
| File Size | 436149 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781479983919 |
| DOI | 10.1109/ISCAS.2015.7168707 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-05-24 |
| Publisher Place | Portugal |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | SDRAM Bandwidth Very large scale integration Engines Proposals Decoding Writing Frame Re-Compression HEVC video system |
| Content Type | Text |
| Resource Type | Article |
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