colour_demosaicing.masks_CFA_Bayer¶

colour_demosaicing.masks_CFA_Bayer(shape, pattern='RGGB')[source]¶

Returns the Bayer CFA red, green and blue masks for given pattern.

Parameters:	shape (array_like) – Dimensions of the Bayer CFA. pattern (unicode, optional) – {‘RGGB’, ‘BGGR’, ‘GRBG’, ‘GBRG’}, Arrangement of the colour filters on the pixel array.
Returns:	Bayer CFA red, green and blue masks.
Return type:	tuple

Examples

>>> from pprint import pprint
>>> shape = (3, 3)
>>> pprint(masks_CFA_Bayer(shape))
(array([[ True, False,  True],
       [False, False, False],
       [ True, False,  True]], dtype=bool),
 array([[False,  True, False],
       [ True, False,  True],
       [False,  True, False]], dtype=bool),
 array([[False, False, False],
       [False,  True, False],
       [False, False, False]], dtype=bool))
>>> pprint(masks_CFA_Bayer(shape, 'BGGR'))
(array([[False, False, False],
       [False,  True, False],
       [False, False, False]], dtype=bool),
 array([[False,  True, False],
       [ True, False,  True],
       [False,  True, False]], dtype=bool),
 array([[ True, False,  True],
       [False, False, False],
       [ True, False,  True]], dtype=bool))