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This page was recovered from the Internet Archive snapshot of
/display/TR/JP2 taken on 2014-11-27.
The original wiki at wiki.opf-labs.org is being decommissioned.
JP2
Summary
| Name | JP2 |
| Description | JPEG 2000 Part 1 |
| MIME Type(s) | image/jp2  |
| PRONOM ID(s) | x-fmt/392 |
| UDFR ID(s) | u1f763 |
| Archive Team Wiki | JP2 |
| Library of Congress Digital Formats | JP2 |
| Wikipedia page(s) | http://en.wikipedia.org/wiki/JPEG_2000/ |
| File extension(s) | jp2 |
| Format specification | 15444-1annexi.pdf (Source: http://www.jpeg.org/public/15444-1annexi.pdf |
Description
JP2 is a raster still image format that contains JPEG 2000 compressed image data. Conceptually, it can be seen as a wrapper for JPEG 2000 codestreams and their associated metadata.
Format issues
Not valid JP2
Files identified as JP2 are really JPX (JPEG 2000 Part 2)
Resolution not in expected header fields
Handling of ICC profiles
Effects of bit and byte corruption
Lack of performant open source decoding software
JPEG 2000 support discontinued in Photoshop Elements
Image does not comply to technical profile
User Experiences
e.g. links to AQuA/SCAPE/Hackathon issues related to this format
News Feeds
Links to places to find out when this format changes.
Tools
Jpylyzer
Validation and properties extraction (comprehensive, including ICC profile and codestream properties)
ExifTool
Properties extraction (does not include codestream properties)
Kakadu
From version 7 onward, Kakadu contains a kdu_jp2info tool that provides quite comprehensive properties extraction on the JPEG 2000 format family (including JP2).
JHOVE
Validation (limited!) and properties extraction
| Tools labelled 'jp2' |
|---|
| Page: ExifTool Labels: tool, untagged, validation, video, characterisation, jpeg2000, extraction, characterise, tiff, jp2, cli, tools, audio |
| Page: Jpylyzer Labels: tool, characterisation, jpeg2000, validation, extraction, jp2 |
| Page: Kakadu Labels: jpeg2000, jp2, jpx, characterisation, convert, migration, extraction, tool |
| Page: Simple JP2 file structure checker Labels: characterisation, validation, jp2, tool |