def test_colors(): f = mahotas.imread('mahotas/demos/data/luispedro.jpg') lab = rgb2lab(f) assert np.max(np.abs(lab)) <= 100. assert np.max(np.abs(xyz2rgb(rgb2xyz(f)) - f)) < 1. lab8 = rgb2lab(f, dtype=np.uint8) assert lab.dtype != np.uint8 assert lab8.dtype == np.uint8
def test_colors(): f = mahotas.imread("mahotas/demos/data/luispedro.jpg") lab = rgb2lab(f) assert np.max(np.abs(lab)) <= 100.0 assert np.max(np.abs(xyz2rgb(rgb2xyz(f)) - f)) < 1.0 lab8 = rgb2lab(f, dtype=np.uint8) assert lab.dtype != np.uint8 assert lab8.dtype == np.uint8 xyz = rgb2xyz(f, dtype=np.uint8) assert xyz.shape == f.shape assert xyz.dtype == np.uint8
def test_colors(): f = luispedro_jpg() lab = rgb2lab(f) assert np.max(np.abs(lab)) <= 100. assert np.max(np.abs(xyz2rgb(rgb2xyz(f)) - f)) < 1. lab8 = rgb2lab(f, dtype=np.uint8) assert lab.dtype != np.uint8 assert lab8.dtype == np.uint8 xyz = rgb2xyz(f, dtype=np.uint8) assert xyz.shape == f.shape assert xyz.dtype == np.uint8