colour.models.dataset.ntsc_rgb Module

NTSC RGB Colourspace

Defines the NTSC RGB colourspace:

See also

RGB Colourspaces IPython Notebook

References

[1]International Telecommunication Union. (1998). CONVENTIONAL TELEVISION SYSTEMS. In Recommendation ITU-R BT.470-6 (pp. 1–36). Retrieved from http://www.itu.int/dms_pubrec/itu-r/rec/bt/R-REC-BT.470-6-199811-S!!PDF-E.pdf
colour.models.dataset.ntsc_rgb.NTSC_RGB_PRIMARIES = array([[ 0.67, 0.33], [ 0.21, 0.71], [ 0.14, 0.08]])

NTSC RGB colourspace primaries.

NTSC_RGB_PRIMARIES : ndarray, (3, 2)

colour.models.dataset.ntsc_rgb.NTSC_RGB_ILLUMINANT = u'C'

NTSC RGB colourspace whitepoint name as illuminant.

NTSC_RGB_ILLUMINANT : unicode

colour.models.dataset.ntsc_rgb.NTSC_RGB_WHITEPOINT = (0.31006, 0.31616)

NTSC RGB colourspace whitepoint.

NTSC_RGB_WHITEPOINT : tuple

colour.models.dataset.ntsc_rgb.NTSC_RGB_TO_XYZ_MATRIX = array([[ 6.06863809e-01, 1.73507281e-01, 2.00334881e-01], [ 2.98903070e-01, 5.86619855e-01, 1.14477075e-01], [ -5.02801622e-17, 6.60980118e-02, 1.11615148e+00]])

NTSC RGB colourspace to CIE XYZ tristimulus values matrix.

NTSC_RGB_TO_XYZ_MATRIX : array_like, (3, 3)

colour.models.dataset.ntsc_rgb.XYZ_TO_NTSC_RGB_MATRIX = array([[ 1.91008143, -0.53247794, -0.28822201], [-0.98463135, 1.99910001, -0.02830719], [ 0.05830945, -0.11838584, 0.89761208]])

CIE XYZ tristimulus values to NTSC RGB colourspace matrix.

XYZ_TO_NTSC_RGB_MATRIX : array_like, (3, 3)

colour.models.dataset.ntsc_rgb.NTSC_RGB_TRANSFER_FUNCTION(value)

Transfer function from linear to NTSC RGB colourspace.

NTSC_RGB_TRANSFER_FUNCTION : object

colour.models.dataset.ntsc_rgb.NTSC_RGB_INVERSE_TRANSFER_FUNCTION(value)

Inverse transfer function from NTSC RGB colourspace to linear.

NTSC_RGB_INVERSE_TRANSFER_FUNCTION : object

colour.models.dataset.ntsc_rgb.NTSC_RGB_COLOURSPACE = <colour.models.rgb.RGB_Colourspace object at 0x2adc37b9e5d0>

NTSC RGB colourspace.

NTSC_RGB_COLOURSPACE : RGB_Colourspace