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

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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

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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

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Screen SizeScreen Size

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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


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Average bit rates

0

20

40

60

80

100

120

140

160

180


BasebandJP2kMP2

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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


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Storage Costs

0

20

40

60

80

100

2001 2002 2003 2004 2005 2006 2007 2008

LTO 1

LTO 3


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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

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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

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Graphics Accelerator Hardware


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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

JPEG-2000 + MXFVideo Encoding Station


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System Integration


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File Sizes and Bit-Rates

U-matic to 8-Bit Motion JPEG-2000 Bit Rate ≈ 37 - 43 Mb/s ≈ 16 – 19 GB/hr


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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

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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


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MATTERSMATTERS

jpeg-2000 and mxf solutions for video & image archives media tm matters jts 2007 toronto

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