Error resilience for key frames in distributed video coding with rate-distortion optimized mode decision

Hsin Fang Wu, Chia-Han Lee, V. Srinivasa Somayazulu, Yen Kuang Chen, Shao Yi Chien

研究成果: Conference contribution同行評審

3 引文 斯高帕斯(Scopus)

摘要

Distributed video coding (DVC) is a potential solution for distributed video sensors in wireless visual sensor and machine-to-machine (M2M) networks. However, the error resilience schemes have not been fully investigated in literatures. In this paper, we propose several error resilience schemes for key frame transmission of DVC, including resending, refining, and hybrid modes. The resending mode asks the transmitters to resend the lost packets as automatic repeat-request, the refining mode conceals the corrupted key frames by temporal error concealment techniques with considering the characteristics of DVC, and the hybrid mode can adaptively select the better mode packet-by-packet with the proposed rate-distortion optimized mode decision. Experimental results show that the proposed schemes can achieve around 6-dB gain in PSNR compared with a baseline approach with intra error concealment. Furthermore, the hybrid mode can achieve 0.5-dB gain in PSNR for some sequences compared with the better one among the resending and refining modes.

原文English
主出版物標題2014 IEEE International Symposium on Circuits and Systems, ISCAS 2014
發行者Institute of Electrical and Electronics Engineers Inc.
頁面1118-1121
頁數4
ISBN(列印)9781479934324
DOIs
出版狀態Published - 1 1月 2014
事件2014 IEEE International Symposium on Circuits and Systems, ISCAS 2014 - Melbourne, VIC, Australia
持續時間: 1 6月 20145 6月 2014

出版系列

名字Proceedings - IEEE International Symposium on Circuits and Systems
ISSN(列印)0271-4310

Conference

Conference2014 IEEE International Symposium on Circuits and Systems, ISCAS 2014
國家/地區Australia
城市Melbourne, VIC
期間1/06/145/06/14

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