A Primer….. Background & History  “Motion Imagery” instead of video because the term “video” excludes some non- traditional uses of multi-frame imagery.

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Presentation transcript:

A Primer….

Background & History  “Motion Imagery” instead of video because the term “video” excludes some non- traditional uses of multi-frame imagery  Specialized cameras for docking applications, payloads, etc. 2

Green Book Overview  Three main sections  Section 2 documents deployed digital video systems  Section 3 is a primer on digital video parameters  Section 4 outlines potential subjects for inclusion in a Magenta Book 3

Applications of motion imagery  Personal Video Conferencing  Medical  Situational Awareness  Engineering/Science  Public Affairs  HiRes/specialized motion imaging  Scenarios  Spacecraft to spacecraft  Spacecraft to ground station  Ground station to ground station  Ground station to spacecraft 4

Internal fixed or hand-held camera and/or External camera Compression CCU & PTZF commands RTP Bitstream? IP Existing CCSDS packetizaton? New packetization standard? Other audio sources Standard SD, HD or DCI Video with embedded audio Metadata Onboard avionics system Demux Ground Station Recover Video Stream(s) Distribute Bitstream IP or Packetized Video Distribute SDI, HDSDI Or DCI Video Camera commands 5

Assessment of the existing NISN Video Path to MCC-M MCR and HSG BLOCK 0 Soyuz/ProgressKlyo st TV System & “Display” generator BLOCK 1 Service Module Klyost TV Rcvr & Video Distribution to FGB BLOCK 0.1 UHF RF SECAM Video Transmission BLOCK 2 Video Cables BLOCK 3 SSC Laptop PAL to NTSC video conversion card BLOCK 4 Video Cable BLOCK 5 USOS NTSC Video System Camera Port BLOCK 6 USOS Ku-band VBSP and D/L Stream Transmission BLOCK 7 TDRSS to WSC D/L BLOCK 8 Digital Fiber Optic Line to MCC-H BLOCK 9 MCC-H FEP Demux to NTSC Video BLOCK 10 MCC-H NTSC Video Distribution BLOCK 11 MCC-H ViTS NTSC to Digital Video Conversion & Transmission BLOCK 12 Commercial Carrier To MCC-M BLOCK 13 MCC-M ViTS Digital to NTSC Video Conversion BLOCK 14 MCC-M NTSC to PAL Video Conversion & Distribution BLOCK 15 MCC-M PAL Video Display 6

ATV docking video distribution 7

Spatial and Temporal Motion Imagery Requirements Chart illustrates the relationship between temporal & spatial resolution and typical uses of video 8

9

Questions for discussion  What existing standards and protocols could be used for motion imagery applications?  What applications for imagery are missing? 10