test_adapt_rgb.py 文件源码

def test_hsv_value_with_non_float_output():
    # Since `rgb2hsv` returns a float image and the result of the filtered
    # result is inserted into the HSV image, we want to make sure there isn't
    # a dtype mismatch.
    filtered = edges_hsv_uint(COLOR_IMAGE)
    filtered_value = color.rgb2hsv(filtered)[:, :, 2]
    value = color.rgb2hsv(COLOR_IMAGE)[:, :, 2]
    # Reduce tolerance because dtype conversion.
    assert_allclose(filtered_value, filters.sobel(value), rtol=1e-5, atol=1e-5)