IMPACJ

Latest revision as of 16:38, 21 December 2024

IMPACJ is an image compression algorithm and format developed by Pegasus Imaging Corporation. It uses DCT compression. It is used in a TIFF-based .imj file format.

[edit] Format details

IMJ files are observed to use TIFF compression method identifier 103.

[edit] Software

(generally for Windows 3.1)

• IMJ File Viewer v1.10 Demo: Pegasus 4.0 → PEGASUS/W_GRAFIK/IMPACJ11.ZIP
• PICPress 1.12 Demo: Pegasus 5.0 → CD1 → PEGASUS/W_GRAFIK/IMPAC111.ZIP
• PICView v1.14 Demo: Utility 95 Collection → VIEWERS/IMJVUE.ZIP
• PICView v1.14: Some of the files in Super Bundle Disc 3 → CNVRTRS/

[edit] Sample files

• Samples are usually included with the demo software.
• http://cd.textfiles.com/ultimatews/WIN/PRO245/ → *.IMJ
• TOONSV11.ZIP → *.IMJ