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Format

JPM (JPEG 2000 part 6)

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Summary

Name
JPM (JPEG 2000 part 6)
Identifiers
  • PUID: fmt/463
  • MIME: image/jpm
Format type
Image (Raster)
Family
JPEG 2000
Description
The JPEG 2000 Compound Image File Format is an optional file format for storing compound images using the JPEG 2000 file format family architecture. A compound image is an image that may contain scanned images, synthetic images or both, and that preferably requires a mix of continuous tone and bi-level compression methods.
File extensions
jpm
Source
Digital Preservation Department / The National Archives

Internal signatures

JPEG 2000 Compound Image File Format

Note
BOF: ....jP ..‡.{4}ftypjpm

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
None
Byte Sequence
0000000C6A5020200D0A870A{4}667479706A706D
Endianness
None

Changelog

  • Updated in V66

    Release date
    18 December 2012

    JPM (JPEG 2000 part 6): MIME-Type information added.

  • Updated in V65

    Release date
    25 October 2012

    JPM (JPEG 2000 part 6): Renamed from JPEG 2000 Compound File Format for clarity and consistency.

  • Added in V62

    Release date
    28 August 2012

    JPEG 2000 Compound Image File Format: Signature developed through PRONOM Research.

    JPEG 2000 Compound Image File Format: Outline Entry Added.