INNER CODE UNIT · Python

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NVlabs/instant-ngp · scripts/flip/__init__.py:108

        a =  input_color[1:2, :, :] / 500
        b =  input_color[2:3, :, :] / 200

        x = y + a
        z = y - b

        xyz = np.concatenate((x, y, z), 0)
        delta = 6 / 29
        xyz = np.where(xyz > delta,  xyz ** 3, 3 * delta ** 2 * (xyz - 4 / 29))

        reference_illuminant = color_space_transform(np.ones(dim), 'linrgb2xyz')
        transformed_color = np.multiply(xyz, reference_illuminant)

    elif fromSpace2toSpace == "srgb2xyz":
        transformed_color = color_space_transform(input_color, 'srgb2linrgb')
        transformed_color = color_space_transform(transformed_color,'linrgb2xyz')
    elif fromSpace2toSpace == "srgb2ycxcz":
        transformed_color = color_space_transform(input_color, 'srgb2linrgb')

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