本文整理匯總了Python中object_detection.box_coders.keypoint_box_coder.KeypointBoxCoder方法的典型用法代碼示例。如果您正苦於以下問題：Python keypoint_box_coder.KeypointBoxCoder方法的具體用法？Python keypoint_box_coder.KeypointBoxCoder怎麽用？Python keypoint_box_coder.KeypointBoxCoder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.box_coders.keypoint_box_coder的用法示例。
在下文中一共展示了keypoint_box_coder.KeypointBoxCoder方法的5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: test_get_correct_relative_codes_after_encoding
# 需要導入模塊: from object_detection.box_coders import keypoint_box_coder [as 別名]
# 或者: from object_detection.box_coders.keypoint_box_coder import KeypointBoxCoder [as 別名]
def test_get_correct_relative_codes_after_encoding(self):
boxes = [[10., 10., 20., 15.],
[0.2, 0.1, 0.5, 0.4]]
keypoints = [[[15., 12.], [10., 15.]],
[[0.5, 0.3], [0.2, 0.4]]]
num_keypoints = len(keypoints[0])
anchors = [[15., 12., 30., 18.],
[0.1, 0.0, 0.7, 0.9]]
expected_rel_codes = [
[-0.5, -0.416666, -0.405465, -0.182321,
-0.5, -0.5, -0.833333, 0.],
[-0.083333, -0.222222, -0.693147, -1.098612,
0.166667, -0.166667, -0.333333, -0.055556]
]
boxes = box_list.BoxList(tf.constant(boxes))
boxes.add_field(fields.BoxListFields.keypoints, tf.constant(keypoints))
anchors = box_list.BoxList(tf.constant(anchors))
coder = keypoint_box_coder.KeypointBoxCoder(num_keypoints)
rel_codes = coder.encode(boxes, anchors)
with self.test_session() as sess:
rel_codes_out, = sess.run([rel_codes])
self.assertAllClose(rel_codes_out, expected_rel_codes) 示例2: test_get_correct_relative_codes_after_encoding_with_scaling
# 需要導入模塊: from object_detection.box_coders import keypoint_box_coder [as 別名]
# 或者: from object_detection.box_coders.keypoint_box_coder import KeypointBoxCoder [as 別名]
def test_get_correct_relative_codes_after_encoding_with_scaling(self):
boxes = [[10., 10., 20., 15.],
[0.2, 0.1, 0.5, 0.4]]
keypoints = [[[15., 12.], [10., 15.]],
[[0.5, 0.3], [0.2, 0.4]]]
num_keypoints = len(keypoints[0])
anchors = [[15., 12., 30., 18.],
[0.1, 0.0, 0.7, 0.9]]
scale_factors = [2, 3, 4, 5]
expected_rel_codes = [
[-1., -1.25, -1.62186, -0.911608,
-1.0, -1.5, -1.666667, 0.],
[-0.166667, -0.666667, -2.772588, -5.493062,
0.333333, -0.5, -0.666667, -0.166667]
]
boxes = box_list.BoxList(tf.constant(boxes))
boxes.add_field(fields.BoxListFields.keypoints, tf.constant(keypoints))
anchors = box_list.BoxList(tf.constant(anchors))
coder = keypoint_box_coder.KeypointBoxCoder(
num_keypoints, scale_factors=scale_factors)
rel_codes = coder.encode(boxes, anchors)
with self.test_session() as sess:
rel_codes_out, = sess.run([rel_codes])
self.assertAllClose(rel_codes_out, expected_rel_codes) 示例3: test_get_correct_boxes_after_decoding
# 需要導入模塊: from object_detection.box_coders import keypoint_box_coder [as 別名]
# 或者: from object_detection.box_coders.keypoint_box_coder import KeypointBoxCoder [as 別名]
def test_get_correct_boxes_after_decoding(self):
anchors = [[15., 12., 30., 18.],
[0.1, 0.0, 0.7, 0.9]]
rel_codes = [
[-0.5, -0.416666, -0.405465, -0.182321,
-0.5, -0.5, -0.833333, 0.],
[-0.083333, -0.222222, -0.693147, -1.098612,
0.166667, -0.166667, -0.333333, -0.055556]
]
expected_boxes = [[10., 10., 20., 15.],
[0.2, 0.1, 0.5, 0.4]]
expected_keypoints = [[[15., 12.], [10., 15.]],
[[0.5, 0.3], [0.2, 0.4]]]
num_keypoints = len(expected_keypoints[0])
anchors = box_list.BoxList(tf.constant(anchors))
coder = keypoint_box_coder.KeypointBoxCoder(num_keypoints)
boxes = coder.decode(rel_codes, anchors)
with self.test_session() as sess:
boxes_out, keypoints_out = sess.run(
[boxes.get(), boxes.get_field(fields.BoxListFields.keypoints)])
self.assertAllClose(boxes_out, expected_boxes)
self.assertAllClose(keypoints_out, expected_keypoints) 示例4: test_get_correct_boxes_after_decoding_with_scaling
# 需要導入模塊: from object_detection.box_coders import keypoint_box_coder [as 別名]
# 或者: from object_detection.box_coders.keypoint_box_coder import KeypointBoxCoder [as 別名]
def test_get_correct_boxes_after_decoding_with_scaling(self):
anchors = [[15., 12., 30., 18.],
[0.1, 0.0, 0.7, 0.9]]
rel_codes = [
[-1., -1.25, -1.62186, -0.911608,
-1.0, -1.5, -1.666667, 0.],
[-0.166667, -0.666667, -2.772588, -5.493062,
0.333333, -0.5, -0.666667, -0.166667]
]
scale_factors = [2, 3, 4, 5]
expected_boxes = [[10., 10., 20., 15.],
[0.2, 0.1, 0.5, 0.4]]
expected_keypoints = [[[15., 12.], [10., 15.]],
[[0.5, 0.3], [0.2, 0.4]]]
num_keypoints = len(expected_keypoints[0])
anchors = box_list.BoxList(tf.constant(anchors))
coder = keypoint_box_coder.KeypointBoxCoder(
num_keypoints, scale_factors=scale_factors)
boxes = coder.decode(rel_codes, anchors)
with self.test_session() as sess:
boxes_out, keypoints_out = sess.run(
[boxes.get(), boxes.get_field(fields.BoxListFields.keypoints)])
self.assertAllClose(boxes_out, expected_boxes)
self.assertAllClose(keypoints_out, expected_keypoints) 示例5: test_build_keypoint_box_coder_with_non_default_parameters
# 需要導入模塊: from object_detection.box_coders import keypoint_box_coder [as 別名]
# 或者: from object_detection.box_coders.keypoint_box_coder import KeypointBoxCoder [as 別名]
def test_build_keypoint_box_coder_with_non_default_parameters(self):
box_coder_text_proto = """
keypoint_box_coder {
num_keypoints: 6
y_scale: 6.0
x_scale: 3.0
height_scale: 7.0
width_scale: 8.0
}
"""
box_coder_proto = box_coder_pb2.BoxCoder()
text_format.Merge(box_coder_text_proto, box_coder_proto)
box_coder_object = box_coder_builder.build(box_coder_proto)
self.assertIsInstance(box_coder_object, keypoint_box_coder.KeypointBoxCoder)
self.assertEqual(box_coder_object._num_keypoints, 6)
self.assertEqual(box_coder_object._scale_factors, [6.0, 3.0, 7.0, 8.0])