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| Internet media type | image/x-jbig2 |
|---|---|
| Developed by | Joint Bi-level Image Experts Group |
| Latest release | 2 |
| Contained by | Portable Document Format, FAX |
| Standard | ITU T.88 & ISO/IEC 14492 |
JBIG2 is an image compression standard for bi-level images, developed by the Joint Bi-level Image Experts Group. It is suitable for both lossless and lossy compression. According to a press release[1] from the Group, in its lossless mode JBIG2 typically generates files 3–5 times smaller than Fax Group 4 and 2–4 times smaller than JBIG, the previous bi-level compression standard released by the Group. JBIG2 was published in 2000 as the international standard ITU T.88,[2] and in 2001 as ISO/IEC 14492.[3]
- ^ Press release from the Joint Bi-level Image experts Group Archived 2005-05-15 at the Wayback Machine.
- ^ "ITU-T Recommendation T.88 – T.88 : Information technology - Coded representation of picture and audio information - Lossy/lossless coding of bi-level images". Retrieved 2011-02-19.
- ^ "ISO/IEC 14492:2001 – Information technology – Lossy/lossless coding of bi-level images". Retrieved 2011-02-19.