JPEG-2000 and MXF Solutions for Video & Image Archives MEDIA TM MATTERS JTS 2007 Toronto.
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Transcript of JPEG-2000 and MXF Solutions for Video & Image Archives MEDIA TM MATTERS JTS 2007 Toronto.
JPEG-2000 and MXFJPEG-2000 and MXF
Solutions for Video Solutions for Video
& Image Archives& Image Archives
MEDIAMEDIATMTM
MATTERSMATTERSJTS 2007JTS 2007TorontoToronto
OutlineOutline• Challenges for ArchivesChallenges for Archives• Sizes and bit ratesSizes and bit rates• Compare alternative solutionsCompare alternative solutions• Performance and efficiencyPerformance and efficiency• Storage and networking costs Storage and networking costs • WorkflowWorkflow• Hardware and softwareHardware and software• ConclusionsConclusions
MEDIAMEDIATMTM
MATTERSMATTERSJTS 2007JTS 2007TorontoToronto
ChallengesChallenges - what archives need to do - what archives need to do
• maintain and manage content forevermaintain and manage content forever - copy to A\Vanalog tape?- copy to A\Vanalog tape? - copy to digital A\V tape?- copy to digital A\V tape? - convert to data|metadata?- convert to data|metadata?
• QC, condition-reporting, authentication, QC, condition-reporting, authentication, securitysecurity
• search, retrieve, access, exhibit, publishsearch, retrieve, access, exhibit, publish
MEDIAMEDIATMTM
MATTERSMATTERSJTS 2007JTS 2007TorontoToronto
WorkflowWorkflow
• Real-time ingest with metadataReal-time ingest with metadata• Fast transfer compressed files over Fast transfer compressed files over
networksnetworks• I-frame, accuracy of editingI-frame, accuracy of editing
– Low computational requirementLow computational requirement– No transcoding of B or P framesNo transcoding of B or P frames
• Efficient migation without lossEfficient migation without loss
MEDIAMEDIATMTM
MATTERSMATTERSJTS 2007JTS 2007TorontoToronto
Screen SizeScreen Size
MEDIAMEDIATMTM
MATTERSMATTERS
4k = 35mm film4k = 35mm film
2k = 16 mm film2k = 16 mm film
WXGAWXGA1920 x 1080i1920 x 1080i
High-DefinitionHigh-Definition
HD 720pHD 720p
StandardStandardDefinitionDefinition
VGA, SVGAVGA, SVGA
QuarterQuarterScreenScreen
ThumbnailThumbnail
JTS 2007JTS 2007TorontoToronto
File Size and Bit RatesFile Size and Bit RatesColour Bits H V f/s Bits/sec kb/s Mb/s MB/s MB/min GB/hr
Film 4:4:4 36 4096 3112 24 11013193728 10755072 10503 1312.9 78772.5 4615.64:4:4 48 2048 1556 24 3671064576 3585024 3501 437.6 26257.5 1538.54:4:4 36 2048 1556 24 2753298432 2688768 2626 328.2 19693.1 1153.94:4:4 30 2048 1556 24 2294415360 2240640 2188 273.5 16410.9 961.6
Video 4:2:2 20 1920 1080 30 1244160000 1215000 1187 148.3 8898.93 521.44:2:2 20 1920 1080 25 1036800000 1012500 989 123.6 7415.77 434.54:2:2 20 1920 1080 24 995328000 972000 949 118.7 7119.14 417.14:2:2 16 1920 1080 30 995328000 972000 949 118.7 7119.14 417.14:2:2 16 1920 1080 25 829440000 810000 791 98.88 5932.62 347.64:2:2 20 1280 720 30 552960000 540000 527 65.92 3955.08 231.74:2:2 20 1280 720 25 460800000 450000 439 54.93 3295.90 193.14:2:2 16 1280 720 30 442368000 432000 422 52.73 3164.06 185.44:2:2 16 1280 720 25 368640000 360000 352 43.95 2636.72 154.54:2:2 20 720 480 30 207360000 202500 198 24.72 1483.15 86.904:2:2 20 720 576 25 207360000 202500 198 24.72 1483.15 86.904:2:2 16 720 480 30 165888000 162000 158.2 19.78 1186.52 69.524:2:2 16 720 576 25 165888000 162000 158.2 19.78 1186.52 69.52
JTS 2007JTS 2007TorontoToronto
MEDIAMEDIATMTM
MATTERSMATTERS
Average bit rates
0
20
40
60
80
100
120
140
160
180
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BasebandJP2kMP2
MEDIAMEDIATMTM
MATTERSMATTERS
Serial Digital Interface
0
50
100
150
200
250
300
8 B i t 10 B i t
System
4 Ch
3 Ch
2 Ch
1 Ch
Anc
Data
Video
JTS 2007JTS 2007TorontoToronto
MEDIAMEDIATMTM
MATTERSMATTERS
Storage Costs
0
20
40
60
80
100
2001 2002 2003 2004 2005 2006 2007 2008
LTO 1
LTO 3
JTS 2007JTS 2007TorontoToronto
MEDIAMEDIATMTM
MATTERSMATTERS
JPEG-2000JPEG-2000
• Reversible or losslessReversible or lossless– constant quality, not constant bit-rate; file constant quality, not constant bit-rate; file
sizes varysizes vary
• ISO standard ISO standard • Wide range of supportWide range of support• Performance and efficiencyPerformance and efficiency• Lower storage and networking costs Lower storage and networking costs
MEDIAMEDIATMTM
MATTERSMATTERSJTS 2007JTS 2007TorontoToronto
JPEG-2000 File FormatsJPEG-2000 File Formats• .bin.bin raw image data raw image data• .j2k, jp2 JPEG-2000.j2k, jp2 JPEG-2000• .jpx.jpx metadata metadata• .idx.idx index file index file• .mj2.mj2 ISOIEC ISOIEC 15444-3:200215444-3:2002
– now ISO/IEC 15444-12 base format, common to now ISO/IEC 15444-12 base format, common to MPEG-4 ISO/IEC 14496-12 general format for timed MPEG-4 ISO/IEC 14496-12 general format for timed media data sequences, media data sequences,
– same underlying architecture as Quicktimesame underlying architecture as QuicktimeTMTM..
• .mxf.mxf Material eXchange FormatMaterial eXchange Format
MEDIAMEDIATMTM
MATTERSMATTERSJTS 2007JTS 2007TorontoToronto
Graphics Accelerator Hardware
JTS 2007JTS 2007TorontoToronto
MEDIAMEDIATMTM
MATTERSMATTERS
• up to six levels of 9/7 and 5/3 wavelet transformsup to six levels of 9/7 and 5/3 wavelet transforms• maximum tile height 4096 pixels using 5/3 waveletmaximum tile height 4096 pixels using 5/3 wavelet• tile widths up to 2048 pixels in 4:2:2 mode tile widths up to 2048 pixels in 4:2:2 mode • up to 4096 pixels in single-component mode up to 4096 pixels in single-component mode • 9/7 wavelet, height and width are halved9/7 wavelet, height and width are halved• improved video decoder improved video decoder and deserializerand deserializer
• high performance clock, high performance clock, improved data recoveryimproved data recovery
• better data retiming with better data retiming with automatic rate selectionautomatic rate selection
• automatic cable eqautomatic cable eq• lower noiselower noise
File Sizes and Bit-Rates
U-matic to 8-Bit Motion JPEG-2000 Bit Rate ≈ 37 - 43 Mb/s ≈ 16 – 19 GB/hr
JTS 2007JTS 2007TorontoToronto
MEDIAMEDIATMTM
MATTERSMATTERS
JPEG-2000 less applicable for:JPEG-2000 less applicable for:
• very low bit-rates very low bit-rates • DV or MPEG/IMX DV or MPEG/IMX
– already compressedalready compressed
• most HD – DV100, HDCAM most HD – DV100, HDCAM – already compressedalready compressed
MEDIAMEDIATMTM
MATTERSMATTERSJTS 2007JTS 2007TorontoToronto
ConclusionsConclusions
• Reversible MJPEG-2000 can maintain Reversible MJPEG-2000 can maintain images without degradationimages without degradation– MPEG, DV, Betacam and JPEG cannotMPEG, DV, Betacam and JPEG cannot
• JP2k = significant reduction in file sizes, JP2k = significant reduction in file sizes, storage costs and data transmission loadstorage costs and data transmission load
• MXF is an excellent wrapper for metadataMXF is an excellent wrapper for metadata• Real-time hardware and softare availableReal-time hardware and softare available• Increasing support and compatibilityIncreasing support and compatibility
JTS 2007JTS 2007TorontoToronto
MEDIAMEDIATMTM
MATTERSMATTERS