Format
JPM (JPEG 2000 part 6)
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 - Submitted by
- Digital Preservation Department / The National Archives
Internal signatures
JPEG 2000 Compound Image File Format
- Description
- BOF: ....jP ..‡.{4}ftypjpm
- Provenance
- http://www.jpeg.org/public/fcd15444-6.pdf and self generated test files
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- None
- Byte Sequence
0000000C6A5020200D0A870A{4}667479706A706D- Endianness
- None
Changelog
-
V66
- Release date
- 18 December 2012
-
Updated
JPM (JPEG 2000 part 6): MIME-Type information added.
-
V65
- Release date
- 25 October 2012
-
Updated
JPM (JPEG 2000 part 6): Renamed from JPEG 2000 Compound File Format for clarity and consistency.
-
V62
- Release date
- 28 August 2012
-
Added format
JPEG 2000 Compound Image File Format: Outline Entry Added.
-
Added signature
JPEG 2000 Compound Image File Format: Signature developed through PRONOM Research.