Polyphase Downsampling Based Multiple Description Coding Applied to H.264 Video Coding

Authors:
Jie Jia;Hae-Kwang Kim
Affiliations:
The authors are with the Department of Computer Engineering, Sejong University, Kunja-dong, Kwangjin-ku, Seoul, 143-747, Korea. E-mail: jiejia@sejong.ac.kr, E-mail: hkkim@sejong.ac.kr,;The authors are with the Department of Computer Engineering, Sejong University, Kunja-dong, Kwangjin-ku, Seoul, 143-747, Korea. E-mail: jiejia@sejong.ac.kr, E-mail: hkkim@sejong.ac.kr,
Venue:
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Year:
2006

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Abstract

This paper presents a video coding method that improves error resilient functionality of H.264 with good coding efficiency. The method is based on PD (polyphase downsampling) multiple description coding. The only changes to H.264 are inserting PD before the DCT process and having new data partitioning NAL units. A coded slice is sent on 3 data partitioning NAL units. A header NAL unit contains motion vectors and block modes. Each of the other two NAL units contains a description generated by PD multiple description coding. The experimental results on all 9 of the test sequences of JVT SVC show that the proposed method gives 0.5 to 5 dB enhancement over the existing H.264 FMO checker board mode with motion vector based error-concealment.