JP2

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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
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