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JP2 - Just Solve the File Format Problem

JP2

From Just Solve the File Format Problem
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(Category:Box file format)
 
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== Sample files ==
 
== Sample files ==
  
* [https://github.com/openplanets/format-corpus/tree/master/jp2k-test Jp2k test corpus] - annotated set of images, primarily intended to demonstrate specific preservation risks
+
* [https://github.com/openpreserve/format-corpus/tree/master/jp2k-test Jp2k test corpus] - annotated set of images, primarily intended to demonstrate specific preservation risks
  
* [https://github.com/openplanets/jpylyzer-test-files Jpylyzer test files] - annotated set of images, primarily intended as test dataset in support of jpylyzer development. Includes many (deliberately) corrupted files.
+
* [https://github.com/openpreserve/jpylyzer-test-files Jpylyzer test files] - annotated set of images, primarily intended as test dataset in support of jpylyzer development. Includes many (deliberately) corrupted files.
  
* [https://github.com/openplanets/format-corpus/tree/master/jp2k-formats JPEG 2000 sample images] - sample files for each format in the JPEG 2000 format family
+
* [https://github.com/openpreserve/format-corpus/tree/master/jp2k-formats JPEG 2000 sample images] - sample files for each format in the JPEG 2000 format family
 +
 
 +
* [https://github.com/uclouvain/openjpeg-data openjpeg-data] - all files required to run the openjpeg test suite, includes many badly corrupted files
  
 
== Related formats ==
 
== Related formats ==
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[[Category:Box file format]]
 
[[Category:Box file format]]
 +
[[Category:JPEG (organization)]]

Latest revision as of 17:27, 16 October 2019

File Format
Name JP2
Ontology
Extension(s) .jp2
MIME Type(s) image/jp2
LoCFDD fdd000143, others
PRONOM x-fmt/392

JP2 is the baseline image file format defined by the JPEG 2000 standard. It encapsulates a JPEG 2000 codestream.

Contents

[edit] Identifiers

Format PRONOM LoCFDD
JP2 x-fmt/392 fdd000143
JP2, Lossless fdd000167
JP2, Lossy fdd000168
JP2, Profile 0 fdd000195
JP2, Profile 1 fdd000197
JP2, Profile 3 fdd000212
JP2, Profile 4 fdd000214
JP2, BIIF Profile fdd000169
JP2, NDNP Profile fdd000193

[edit] Identification

JP2 files begin with bytes 00 00 00 0c 6a 50 20 20 0d 0a 87 0a ?? ?? ?? ?? 66 74 79 70 6a 70 32 20.

Note that some Adobe applications (most notably Adobe Photoshop) produce JPX (JPEG 2000 Part 2) images that erroneously use the above byte sequence, which makes them (superficially) indistinguishable from JP2 images.

[edit] Specifications

[edit] Software

See also JPEG 2000.

Note also that the jpylyzer manual includes a detailed breakdown of the JP2 format structure.

[edit] Sample files

  • Jp2k test corpus - annotated set of images, primarily intended to demonstrate specific preservation risks
  • Jpylyzer test files - annotated set of images, primarily intended as test dataset in support of jpylyzer development. Includes many (deliberately) corrupted files.
  • openjpeg-data - all files required to run the openjpeg test suite, includes many badly corrupted files

[edit] Related formats

  • GeoJP2 is an extension of the JP2 format which allows one to include geospatial metadata in georeferenced JP2 images.

[edit] Links

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