Example JP2 profiles

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Parameter British Library Library of Congress Wellcome Library National Library of Medicine (USA) {*}National Library Czech Republic master copy{*} National Library Czech Republic National Library Czech Republic Add yours here....           
Used for Newspapers   All still images (masters) Book page images Books, periodicals, maps, manuscripts (masters) Books, periodicals
(production masters)
Maps, manuscripts (production masters)  
Conversion software used Leadtools Kakadu LuraWave Djatoka / Kakadu Kakadu Kakadu Kakadu  
File format Part 1 (.jp2) Part 1 (.jp2) Part 1 (.jp2) Part 1 (.jp2) Part 1 (.jp2) Part 1 (.jp2) Part 1 (.jp2)  
Lossy or lossless Lossy Lossy Lossy (some lossless)
Lossless Lossless Lossy Lossy  
Typical compression     6:1 9:1 2:1 to 3:1 20:1 to 30:1
it is quite high compress ratio, it may be changed according our  needs
8:1 to 10:1  
Tiling none 1024 x 1024 1024 x 1024 none 4096x4096 1024x1024 1024x1024  
Progression order RPCL RLCP RLCP RPCL RPCL RPCL RPCL  
Number of decomposition levels 6 6 5 6 5 or 6 5 5 or 6 /6 layers for over-sized material/  
Number of quality layers Multiple 25 8 6 1 12 /logarithmic/ 12 /logarithmic/  
Code block size
(xcb = ycb)
6 6 6   6 6 6  
Transformation 9-7 irreversible filter 9-7 irreversible filter     5-3 reversible 9-7 irreversible 9-7 irreversible  
Precinct size 256x256 for first two decomp. levels, 128 by 128 for lower levels Not used Not explicitly specified 256x256 for first two decomp. levels, 128 by 128 for lower levels 256x256 for first two decomp. levels, 128 by 128 for lower levels 256x256 for first two decomp. levels, 128 by 128 for lower levels 256x256 for first two decomp. levels, 128 by 128 for lower levels  
Regions of Interest No No No   No No No  
Code block size 64x64 64x64 64x64 32x32 64x64 64x64 64x64  
TLM markers No   Yes No Yes “R” Yes “R” Yes “R”  
Bypass         YES YES YES  
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