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TIFF Tag CameraCalibration2

IFDImage
Code50724 (hex 0xC624)
NameCameraCalibration2
LibTiff nameTIFFTAG_CAMERACALIBRATION2
TypeSRATIONAL
CountColorPlanes * ColorPlanes
DefaultIdentity matrix

Description

Used in IFD 0 of DNG files.

CameraCalibration2 defines a calibration matrix that transforms reference camera native space values to individual camera native space values under the second calibration illuminant. The matrix is stored in row scan order.

This matrix is stored separately from the matrix specified by the ColorMatrix2 tag to allow raw converters to swap in replacement color matrices based on UniqueCameraModel tag, while still taking advantage of any per-individual camera calibration performed by the camera manufacturer.

Related tags

CameraCalibration1
CalibrationIlluminant2
ColorMatrix2
ReductionMatrix2

See also

DNG Specification