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Format

Cartesian Perceptual Compression image format

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Summary

Name
Cartesian Perceptual Compression image format
Identifiers
PUID: fmt/727
Format type
Image (Raster)
Description
Cartesian Perceptual Compression is a proprietary image file format designed for high compression of black-and-white raster document imaging for archival scans.
File extensions
cpi, cpc
Source
Digital Preservation Department / The National Archives

Internal signatures

Cartesian Perceptual Compression

Note
BOF: CPC²

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
435043B2
Endianness
None

Changelog

  • Added in V82

    Release date
    27 March 2015

    Cartesian Perceptual Compression image format: Signature developed through PRONOM Research.

    Cartesian Perceptual Compression image format: Full entry added.