imageutil.py 文件源码

def gray2rgb(image):
    """
    Grayscale scale image to RGB image

    >>> image = np.eye(3, dtype='uint8') * 255
    >>> gray2rgb(image)
    array([[[255, 255, 255],
            [  0,   0,   0],
            [  0,   0,   0]],
    <BLANKLINE>
           [[  0,   0,   0],
            [255, 255, 255],
            [  0,   0,   0]],
    <BLANKLINE>
           [[  0,   0,   0],
            [  0,   0,   0],
            [255, 255, 255]]], dtype=uint8)

    :param numpy array image: Numpy array with range [0,255] and dtype 'uint8'. 
    :return: RGB image
    :rtype:  numpy array with range [0,255] and dtype 'uint8'
    """
    return skc.gray2rgb(image)