def test_histogram(): test = cle.push_zyx(np.asarray([[1, 2, 4, 4, 2, 3], [3, 3, 4, 4, 5, 5]])) ref_histogram = [1, 2, 3, 4, 2] my_histogram = cle.histogram(test, num_bins=5) print(my_histogram) a = cle.pull(my_histogram) assert (np.allclose(a, ref_histogram))
def test_histogram_against_scikit_image(): from skimage.data import camera image = camera() from skimage import exposure hist, bc = exposure.histogram(image.ravel(), 256, source_range='image') print(str(hist)) gpu_image = cle.push(image) gpu_hist = cle.histogram(gpu_image, num_bins=256) print(str(cle.pull_zyx(gpu_hist))) assert (np.allclose(hist, cle.pull_zyx(gpu_hist)))