Abstract
In this paper, we extend the traditional rate-distortion optimization (RDO) for the end-to-end wireless video communication system and develop a novel delay-rate-distortion optimization (dRDO) based rate control (RC) algorithm, by investigating the allocation of end-to-end delay to different delay components. Tradeoffs regarding, respectively, source coding delay versus buffering delay and available source coding rate versus redundant rate incurred by channel coding, are coupled in the proposed dRDO algorithm. It targets at minimizing the average total end-to-end distortion under the transmission rate and end-to-end delay constraints, by joint selection of search range and quantization step size in source coding and channel code rate in channel coding. Experimental results demonstrate the superiority of the proposed dRDO algorithm over existing schemes.
| Original language | English |
|---|---|
| Title of host publication | 2014 IEEE International Conference on Image Processing, ICIP 2014 |
| Publisher | IEEE |
| Pages | 5996-6000 |
| ISBN (Print) | 9781479957514 |
| DOIs | |
| Publication status | Published - 28 Jan 2014 |
| Externally published | Yes |
Bibliographical note
Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].Research Keywords
- delay-rate-distortion optimization
- end-to-end distortion
- rate control
- Wireless video
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