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TIFF Tag CameraCalibration1

IFDImage
Code50723 (hex 0xC623)
NameCameraCalibration1
LibTiff nameTIFFTAG_CAMERACALIBRATION1
TypeSRATIONAL
CountColorPlanes * ColorPlanes
DefaultIdentity matrix

Description

Used in IFD 0 of DNG files.

CameraClalibration1 defines a calibration matrix that transforms reference camera native space values to individual camera native space values under the first calibration illuminant. The matrix is stored in row scan order.

This matrix is stored separately from the matrix specified by the ColorMatrix1 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

CameraCalibration2
CalibrationIlluminant1
ColorMatrix1
ReductionMatrix1

See also

DNG Specification