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Content Provider | IET Digital Library |
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Author | Xu, Weiwei Chen, Yaowu |
Abstract | The rate-distortion optimisation of redundant picture-based multiple description coding is studied, and the minimisation of the end-to-end distortion is attacked by fully exploring the redundant allocation utilising multiple redundant pictures. The amount and relative encoding parameters of redundant pictures for each frame are adaptively decided for multiple redundant pictures, and this is different from the relevant existing description generation methods, which mainly focus on determining the amount of inserted redundancy with a fixed single redundant picture. The relationship of encoding parameters between each redundant picture of the same frame is derived according to the classification and formulation of relative distortion and rate. To accelerate the encoding process, the statistical properties between mismatch distortion, bit rate and encoding parameter are explored for the fast decision of redundant picture number. The experimental results show that the proposed method improves the overall end-to-end rate-distortion performance compared with the state-of-the-art multiple description coding method utilising redundant coding. |
Starting Page | 1520 |
Ending Page | 1522 |
Page Count | 3 |
ISSN | 00135194 |
Volume Number | 50 |
e-ISSN | 1350911X |
Issue Number | Issue 21, Oct (2014) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/el/50/21 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/el.2014.0766 |
Journal | Electronics Letters |
Publisher Date | 2014-09-29 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Computer Vision And Image Processing Technique Description Generation Method End-to-end Rate-distortion Optimisation Fixed Single Redundant Picture Image And Video Coding Image Classification Image Coding Image Recognition MDC Method Minimisation Multiple Redundant Picture-based Multiple Description Coding Optimisation Technique Rate Distortion Theory Redundant Allocation Redundant Picture Number Statistical Property |
Content Type | Text |
Resource Type | Article |
Subject | Electrical and Electronic Engineering |
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