本文整理匯總了Python中object_detection.utils.per_image_evaluation.PerImageEvaluation方法的典型用法代碼示例。如果您正苦於以下問題：Python per_image_evaluation.PerImageEvaluation方法的具體用法？Python per_image_evaluation.PerImageEvaluation怎麽用？Python per_image_evaluation.PerImageEvaluation使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類object_detection.utils.per_image_evaluation的用法示例。
在下文中一共展示了per_image_evaluation.PerImageEvaluation方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: setUp
# 需要導入模塊: from object_detection.utils import per_image_evaluation [as 別名]
# 或者: from object_detection.utils.per_image_evaluation import PerImageEvaluation [as 別名]
def setUp(self):
num_groundtruth_classes = 1
matching_iou_threshold1 = 0.5
matching_iou_threshold2 = 0.1
nms_iou_threshold = 1.0
nms_max_output_boxes = 10000
self.eval1 = per_image_evaluation.PerImageEvaluation(
num_groundtruth_classes, matching_iou_threshold1, nms_iou_threshold,
nms_max_output_boxes)
self.eval2 = per_image_evaluation.PerImageEvaluation(
num_groundtruth_classes, matching_iou_threshold2, nms_iou_threshold,
nms_max_output_boxes)
self.detected_boxes = np.array([[0, 0, 1, 1], [0, 0, 2, 2], [0, 0, 3, 3]],
dtype=float)
self.detected_scores = np.array([0.6, 0.8, 0.5], dtype=float) 示例2: test_compute_corloc_with_normal_iou_threshold
# 需要導入模塊: from object_detection.utils import per_image_evaluation [as 別名]
# 或者: from object_detection.utils.per_image_evaluation import PerImageEvaluation [as 別名]
def test_compute_corloc_with_normal_iou_threshold(self):
num_groundtruth_classes = 3
matching_iou_threshold = 0.5
nms_iou_threshold = 1.0
nms_max_output_boxes = 10000
eval1 = per_image_evaluation.PerImageEvaluation(num_groundtruth_classes,
matching_iou_threshold,
nms_iou_threshold,
nms_max_output_boxes)
detected_boxes = np.array([[0, 0, 1, 1], [0, 0, 2, 2], [0, 0, 3, 3],
[0, 0, 5, 5]], dtype=float)
detected_scores = np.array([0.9, 0.9, 0.1, 0.9], dtype=float)
detected_class_labels = np.array([0, 1, 0, 2], dtype=int)
groundtruth_boxes = np.array([[0, 0, 1, 1], [0, 0, 3, 3], [0, 0, 6, 6]],
dtype=float)
groundtruth_class_labels = np.array([0, 0, 2], dtype=int)
is_class_correctly_detected_in_image = eval1._compute_cor_loc(
detected_boxes, detected_scores, detected_class_labels,
groundtruth_boxes, groundtruth_class_labels)
expected_result = np.array([1, 0, 1], dtype=int)
self.assertTrue(np.array_equal(expected_result,
is_class_correctly_detected_in_image)) 示例3: test_compute_corloc_with_very_large_iou_threshold
# 需要導入模塊: from object_detection.utils import per_image_evaluation [as 別名]
# 或者: from object_detection.utils.per_image_evaluation import PerImageEvaluation [as 別名]
def test_compute_corloc_with_very_large_iou_threshold(self):
num_groundtruth_classes = 3
matching_iou_threshold = 0.9
nms_iou_threshold = 1.0
nms_max_output_boxes = 10000
eval1 = per_image_evaluation.PerImageEvaluation(num_groundtruth_classes,
matching_iou_threshold,
nms_iou_threshold,
nms_max_output_boxes)
detected_boxes = np.array([[0, 0, 1, 1], [0, 0, 2, 2], [0, 0, 3, 3],
[0, 0, 5, 5]], dtype=float)
detected_scores = np.array([0.9, 0.9, 0.1, 0.9], dtype=float)
detected_class_labels = np.array([0, 1, 0, 2], dtype=int)
groundtruth_boxes = np.array([[0, 0, 1, 1], [0, 0, 3, 3], [0, 0, 6, 6]],
dtype=float)
groundtruth_class_labels = np.array([0, 0, 2], dtype=int)
is_class_correctly_detected_in_image = eval1._compute_cor_loc(
detected_boxes, detected_scores, detected_class_labels,
groundtruth_boxes, groundtruth_class_labels)
expected_result = np.array([1, 0, 0], dtype=int)
self.assertTrue(np.array_equal(expected_result,
is_class_correctly_detected_in_image)) 示例4: test_tp_fp
# 需要導入模塊: from object_detection.utils import per_image_evaluation [as 別名]
# 或者: from object_detection.utils.per_image_evaluation import PerImageEvaluation [as 別名]
def test_tp_fp(self):
num_groundtruth_classes = 3
matching_iou_threshold = 0.5
nms_iou_threshold = 1.0
nms_max_output_boxes = 10000
eval1 = per_image_evaluation.PerImageEvaluation(num_groundtruth_classes,
matching_iou_threshold,
nms_iou_threshold,
nms_max_output_boxes)
detected_boxes = np.array([[0, 0, 1, 1], [10, 10, 5, 5], [0, 0, 2, 2],
[5, 10, 10, 5], [10, 5, 5, 10], [0, 0, 3, 3]],
dtype=float)
detected_scores = np.array([0.8, 0.1, 0.8, 0.9, 0.7, 0.8], dtype=float)
detected_class_labels = np.array([0, 1, 1, 2, 0, 2], dtype=int)
groundtruth_boxes = np.array([[0, 0, 1, 1], [0, 0, 3.5, 3.5]], dtype=float)
groundtruth_class_labels = np.array([0, 2], dtype=int)
groundtruth_groundtruth_is_difficult_list = np.zeros(2, dtype=float)
scores, tp_fp_labels, _ = eval1.compute_object_detection_metrics(
detected_boxes, detected_scores, detected_class_labels,
groundtruth_boxes, groundtruth_class_labels,
groundtruth_groundtruth_is_difficult_list)
expected_scores = [np.array([0.8], dtype=float)] * 3
expected_tp_fp_labels = [np.array([True]), np.array([False]), np.array([True
])]
for i in range(len(expected_scores)):
self.assertTrue(np.allclose(expected_scores[i], scores[i]))
self.assertTrue(np.array_equal(expected_tp_fp_labels[i], tp_fp_labels[i]))