Abstract
The Department of Defense (DoD) Motion Imagery Standards Board (MISB) has adopted ITU-T Rec. H.264 (Baseline, Main, and Extended Profiles) to be the standard for applications constrained by low bandwidth channels (typically less than 1 Mb/s that may not be adequately supported by MPEG-2). H.264 will be carried over the MPEG-2 transport streams using ISO/IEC 13818-1:2000/FPDAM 3: Information technology --Generic coding of moving pictures and associated audio: Systems, AMENDMENT 3: Transport of ISO/IEC 14496 part 10 [ITU-T H.264] video data over ISO/IEC 13818-1 (DRAFT). This is a part of a new principal called Xon2 to support the seamless rollout of advanced video compression technologies without disrupting current and future operations and systems. X defines existing or future video compression technologies and on2 refers to the use of MPEG-2 transport streams and files. The MISB predecessor VWG standardized on MPEG-2 (H.262) in 1996. 2on2 payloads have been successfully deployed using standards compliant MPEG-2 compressed video elementary streams, audio elementary streams, and SMPTE standard 336M KLV encoded metadata as MPEG-2 private data streams in support of unmanned aerial vehicle (UAV) operations. Building on this baseline 2on2 capability, Xon2 will provide a migration path to inject improved compressions technologies, which will yield improved image quality and/or reduced bandwidths. NIMA’s Persistent Surveillance Office anticipates accelerating fielding of 264on2 using advanced video compression standard H.264 as described in this paper.
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