DNG camera profile
From Just Solve the File Format Problem
DNG camera profile is (1) a collective name for the various TIFF tags used for color profile information in a DNG file, and (2) a specialized file format which stores just those tags. We'll call the file format DCP.
A DNG file may have profile data integrated into the first IFD. Starting with DNG v1.2.0.0, DCP format may be used for additional embedded profiles, pointed to by TIFF tag 50933 (ExtraCameraProfiles). DCP format can also appear by itself in a .dcp file.
DCP format is TIFF-like, but with a different file signature.
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Identification
DCP format begins with 'M' 'M' 0x43 0x52, or 'I' 'I' 0x52 0x43. This is the case even when it is embedded in a DNG file.
Specifications
See DNG for other versions of the specification.
Software
- Adobe's DNG page → DNG Profile Editor (Windows and Mac binaries)
- dcpTool
