Information technology — Digital compression and coding of continuous-tone still images: Registration of JPEG profiles, SPIFF profiles, SPIFF tags, SPIFF colour spaces, APPn markers, SPIFF compression types and Registration Authorities (REGAUT) — Part 4:

This Recommendation | International Standard provides for the unique registration of JPEG and SPIFF Profiles,

SPIFF Tags, SPIFF colour Spaces, application specific Markers, SPIFF Compression types and images Registration

authorities as defined in the CCITT Rec. T.81 | ISO/IEC 10918-1 and ITU-T Rec. T.84 | ISO/IEC 10918-3. Unless

otherwise specified, (P)rofiles, (T)ags, colour (S)paces, (M)arkers, (C)ompression types and image (R)egistration

authorities will be referred to as PTSMCR items. ISO/IEC JTC 1 SC 29 will delegate to a designated Authority the role

to collect, study, approve, register and disseminate the relevant information to allow for the customization of

JPEG standard.

The following table gives an overview of the main issues about registration of PTSMCR items.