colour.RGB_to_YCoCg¶
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colour.
RGB_to_YCoCg
(RGB)[source]¶ Converts an array of R’G’B’ values to the corresponding YCoCg colour encoding values array.
Parameters: RGB (array_like) – Input R’G’B’ array. Returns: YCoCg colour encoding array. Return type: ndarray References
Examples
>>> RGB_to_YCoCg(np.array([1.0, 1.0, 1.0])) array([ 1., 0., 0.]) >>> RGB_to_YCoCg(np.array([0.75, 0.5, 0.5])) array([ 0.5625, 0.125 , -0.0625])