How to use test_image method in Lemoncheesecake

Best Python code snippet using lemoncheesecake

visualization_utils_test.py

Source:visualization_utils_test.py

...20import PIL.Image as Image21import tensorflow as tf22from object_detection.utils import visualization_utils23class VisualizationUtilsTest(tf.test.TestCase):24  def create_colorful_test_image(self):25    """This function creates an image that can be used to test vis functions.26    It makes an image composed of four colored rectangles.27    Returns:28      colorful test numpy array image.29    """30    ch255 = np.full([100, 200, 1], 255, dtype=np.uint8)31    ch128 = np.full([100, 200, 1], 128, dtype=np.uint8)32    ch0 = np.full([100, 200, 1], 0, dtype=np.uint8)33    imr = np.concatenate((ch255, ch128, ch128), axis=2)34    img = np.concatenate((ch255, ch255, ch0), axis=2)35    imb = np.concatenate((ch255, ch0, ch255), axis=2)36    imw = np.concatenate((ch128, ch128, ch128), axis=2)37    imu = np.concatenate((imr, img), axis=1)38    imd = np.concatenate((imb, imw), axis=1)39    image = np.concatenate((imu, imd), axis=0)40    return image41  def test_draw_bounding_box_on_image(self):42    test_image = self.create_colorful_test_image()43    test_image = Image.fromarray(test_image)44    width_original, height_original = test_image.size45    ymin = 0.2546    ymax = 0.7547    xmin = 0.448    xmax = 0.649    visualization_utils.draw_bounding_box_on_image(test_image, ymin, xmin, ymax,50                                                   xmax)51    width_final, height_final = test_image.size52    self.assertEqual(width_original, width_final)53    self.assertEqual(height_original, height_final)54  def test_draw_bounding_box_on_image_array(self):55    test_image = self.create_colorful_test_image()56    width_original = test_image.shape[0]57    height_original = test_image.shape[1]58    ymin = 0.2559    ymax = 0.7560    xmin = 0.461    xmax = 0.662    visualization_utils.draw_bounding_box_on_image_array(63        test_image, ymin, xmin, ymax, xmax)64    width_final = test_image.shape[0]65    height_final = test_image.shape[1]66    self.assertEqual(width_original, width_final)67    self.assertEqual(height_original, height_final)68  def test_draw_bounding_boxes_on_image(self):69    test_image = self.create_colorful_test_image()70    test_image = Image.fromarray(test_image)71    width_original, height_original = test_image.size72    boxes = np.array([[0.25, 0.75, 0.4, 0.6],73                      [0.1, 0.1, 0.9, 0.9]])74    visualization_utils.draw_bounding_boxes_on_image(test_image, boxes)75    width_final, height_final = test_image.size76    self.assertEqual(width_original, width_final)77    self.assertEqual(height_original, height_final)78  def test_draw_bounding_boxes_on_image_array(self):79    test_image = self.create_colorful_test_image()80    width_original = test_image.shape[0]81    height_original = test_image.shape[1]82    boxes = np.array([[0.25, 0.75, 0.4, 0.6],83                      [0.1, 0.1, 0.9, 0.9]])84    visualization_utils.draw_bounding_boxes_on_image_array(test_image, boxes)85    width_final = test_image.shape[0]86    height_final = test_image.shape[1]87    self.assertEqual(width_original, width_final)88    self.assertEqual(height_original, height_final)89  def test_draw_keypoints_on_image(self):90    test_image = self.create_colorful_test_image()91    test_image = Image.fromarray(test_image)92    width_original, height_original = test_image.size93    keypoints = [[0.25, 0.75], [0.4, 0.6], [0.1, 0.1], [0.9, 0.9]]94    visualization_utils.draw_keypoints_on_image(test_image, keypoints)95    width_final, height_final = test_image.size96    self.assertEqual(width_original, width_final)97    self.assertEqual(height_original, height_final)98  def test_draw_keypoints_on_image_array(self):99    test_image = self.create_colorful_test_image()100    width_original = test_image.shape[0]101    height_original = test_image.shape[1]102    keypoints = [[0.25, 0.75], [0.4, 0.6], [0.1, 0.1], [0.9, 0.9]]103    visualization_utils.draw_keypoints_on_image_array(test_image, keypoints)104    width_final = test_image.shape[0]105    height_final = test_image.shape[1]106    self.assertEqual(width_original, width_final)107    self.assertEqual(height_original, height_final)108  def test_draw_mask_on_image_array(self):109    test_image = np.asarray([[[0, 0, 0], [0, 0, 0]],110                             [[0, 0, 0], [0, 0, 0]]], dtype=np.uint8)111    mask = np.asarray([[0.0, 1.0],112                       [1.0, 1.0]], dtype=np.float32)113    expected_result = np.asarray([[[0, 0, 0], [0, 0, 127]],...

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