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| Content Provider | Springer Nature Link |
|---|---|
| Author | Huang, Yung Sung Chieu, Bin Chang |
| Copyright Year | 2010 |
| Abstract | This paper aims to describe architecture for video coding on a processor with an ARM and DSP cores. The proposed platform has been designed for MPEG-4 Visual Simple Profile. The obtained results are optimized if compared with these of single-core. The dual-core processors, composed of RISC and DSP, are widely used as the based-band processors of cell phones. The RISC suits for IO control, while DSP is useful for computation. The operational efficiency of the integration of RISC and DSP is outstanding. Video compression requires a great deal of computation, so we take both the feature of coding algorithm and the hardware platform into consideration. We analyze features of key components in video codec and propose the framework, which adopts DMA to shorten the time needed. It is the result of the communication between the dual-cores. The experimental results indicate that during the inter-frame processing, dual-core with DMA can cut down the processing time by 1/4 more than that of single-use of ARM or DSP. Moreover, it can save 3/4 of the time for encode/decode processing in inter-frame. Especially, in respect of motion estimation, the performance rating can be improved by 4 times. |
| Starting Page | 527 |
| Ending Page | 543 |
| Page Count | 17 |
| File Format | |
| ISSN | 13807501 |
| Journal | Multimedia Tools and Applications |
| Volume Number | 54 |
| Issue Number | 2 |
| e-ISSN | 15737721 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2010-06-19 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Dual-core processors Computer Communication Networks Data Structures, Cryptology and Information Theory Multimedia Information Systems Special Purpose and Application-Based Systems |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Networks and Communications Hardware and Architecture Software Media Technology |
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