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CMYK

Rules for CMYK images:

  • The cardinality of the InkSet tag must be 1.
  • The InkNames field must exist when InkSet is 2.

Invalid tags:

  • GrayResponseCurve, GrayResponseUnit should not be present, as it is only valid for Grayscale images.
  • Threshholding tag should not be present, as is only valid with Grayscale images.
  • CellLength, CellWidth should not be present, as it is only for bilevel images.
  • ColorMap should not be present, as is only used for Palette images.
  • TransferRange should not be used as it is defined only for RGB and YCbCr PhotometricInterpretations.
  • YCbCrCoefficients, YCbCrSubsampleHoriz, YCbCrSubsampleVert, YCbCrSubSampling, YCbCrPositioning tags should not be present since are only used in YCbCr images.

Reproducibility

Simulate

With an Hexadecimal Editor (e.g. HxD) edit the tags and its values. The InkSet tag id is 332 (hex 0x014C). The InkNames tag id is 333 (hex 0x014D).