Robust H.264/AVC video coding with priority classification, adaptive NALU size and fragmentation

Authors:
Sunil Kumar;Aparna Janarthanan;Mohammed Muslehuddin Shakeel;Swati Maroo;John D. Matyjas;Michael Medley
Affiliations:
Electrical and Computer Engineering Department, San Diego State University, San Diego, CA;Electrical and Computer Engineering Department, San Diego State University, San Diego, CA;Electrical and Computer Engineering Department, San Diego State University, San Diego, CA;Electrical and Computer Engineering Department, San Diego State University, San Diego, CA;Air Force Research Laboratory, Rome, NY;Air Force Research Laboratory, Rome, NY
Venue:
MILCOM'09 Proceedings of the 28th IEEE conference on Military communications
Year:
2009

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Abstract

In this paper, we discuss a novel priority assignment and packetization scheme to transport H.264/AVC video packets over wireless networks. Specifically, we discuss a comprehensive packet priority assignment scheme for unequal error protection, followed by the use of adaptive network abstraction layer unit (NALU) sizes and NALU fragmentation schemes. These schemes use the standard-compliant decoder with various H.264/AVC error resiliency features. Our simulation results demonstrate that these schemes improve the PSNR performance of test video sequences in the presence of packet losses.