colour.models.dataset.rec_709 Module¶
Rec. 709 Colourspace¶
Defines the Rec. 709 colourspace:
See also
References
[1] | International Telecommunication Union. (2002). Parameter values for the HDTV standards for production and international programme exchange BT Series Broadcasting service. In Recommendation ITU-R BT.709-5 (Vol. 5, pp. 1–32). Retrieved from http://www.itu.int/dms_pubrec/itu-r/rec/bt/R-REC-BT.709-5-200204-I!!PDF-E.pdf |
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colour.models.dataset.rec_709.
REC_709_PRIMARIES
= array([[ 0.64, 0.33], [ 0.3 , 0.6 ], [ 0.15, 0.06]])¶ Rec. 709 colourspace primaries.
REC_709_PRIMARIES : ndarray, (3, 2)
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colour.models.dataset.rec_709.
REC_709_WHITEPOINT
= (0.31271, 0.32902)¶ Rec. 709 colourspace whitepoint.
REC_709_WHITEPOINT : tuple
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colour.models.dataset.rec_709.
REC_709_ILLUMINANT
= u'D65'¶ Rec. 709 colourspace whitepoint name as illuminant.
REC_709_ILLUMINANT : unicode
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colour.models.dataset.rec_709.
REC_709_TO_XYZ_MATRIX
= array([[ 0.41238656, 0.35759149, 0.18045049], [ 0.21263682, 0.71518298, 0.0721802 ], [ 0.01933062, 0.11919716, 0.95037259]])¶ Rec. 709 colourspace to CIE XYZ tristimulus values matrix.
REC_709_TO_XYZ_MATRIX : array_like, (3, 3)
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colour.models.dataset.rec_709.
XYZ_TO_REC_709_MATRIX
= array([[ 3.24100326, -1.53739899, -0.49861587], [-0.96922426, 1.87592999, 0.04155422], [ 0.05563942, -0.2040112 , 1.05714897]])¶ CIE XYZ tristimulus values to Rec. 709 colourspace matrix.
XYZ_TO_REC_709_MATRIX : array_like, (3, 3)
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colour.models.dataset.rec_709.
REC_709_OECF
(value)¶ Opto-electronic conversion function of Rec. 709 colourspace.
REC_709_OECF : object
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colour.models.dataset.rec_709.
REC_709_EOCF
(value)¶ Electro-optical conversion function of Rec. 709 colourspace.
REC_709_EOCF : object
Warning
Recommendation ITU-R BT.709-5 doesn’t specify an electro-optical conversion function. This definition is used for symmetry in unit tests and other computations but should not be used as an EOCF for Rec. 709 colourspace!
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colour.models.dataset.rec_709.
REC_709_COLOURSPACE
= <colour.models.rgb.RGB_Colourspace object>¶ Rec. 709 colourspace.
REC_709_COLOURSPACE : RGB_Colourspace