本文整理汇总了Python中object_detection.box_coders.square_box_coder.SquareBoxCoder方法的典型用法代码示例。如果您正苦于以下问题：Python square_box_coder.SquareBoxCoder方法的具体用法？Python square_box_coder.SquareBoxCoder怎么用？Python square_box_coder.SquareBoxCoder使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类object_detection.box_coders.square_box_coder的用法示例。
在下文中一共展示了square_box_coder.SquareBoxCoder方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_correct_relative_codes_with_default_scale
# 需要导入模块: from object_detection.box_coders import square_box_coder [as 别名]
# 或者: from object_detection.box_coders.square_box_coder import SquareBoxCoder [as 别名]
def test_correct_relative_codes_with_default_scale(self):
boxes = [[10.0, 10.0, 20.0, 15.0], [0.2, 0.1, 0.5, 0.4]]
anchors = [[15.0, 12.0, 30.0, 18.0], [0.1, 0.0, 0.7, 0.9]]
scale_factors = None
expected_rel_codes = [[-0.790569, -0.263523, -0.293893],
[-0.068041, -0.272166, -0.89588]]
boxes = box_list.BoxList(tf.constant(boxes))
anchors = box_list.BoxList(tf.constant(anchors))
coder = square_box_coder.SquareBoxCoder(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2: test_correct_relative_codes_with_non_default_scale
# 需要导入模块: from object_detection.box_coders import square_box_coder [as 别名]
# 或者: from object_detection.box_coders.square_box_coder import SquareBoxCoder [as 别名]
def test_correct_relative_codes_with_non_default_scale(self):
boxes = [[10.0, 10.0, 20.0, 15.0], [0.2, 0.1, 0.5, 0.4]]
anchors = [[15.0, 12.0, 30.0, 18.0], [0.1, 0.0, 0.7, 0.9]]
scale_factors = [2, 3, 4]
expected_rel_codes = [[-1.581139, -0.790569, -1.175573],
[-0.136083, -0.816497, -3.583519]]
boxes = box_list.BoxList(tf.constant(boxes))
anchors = box_list.BoxList(tf.constant(anchors))
coder = square_box_coder.SquareBoxCoder(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_correct_relative_codes_with_small_width
# 需要导入模块: from object_detection.box_coders import square_box_coder [as 别名]
# 或者: from object_detection.box_coders.square_box_coder import SquareBoxCoder [as 别名]
def test_correct_relative_codes_with_small_width(self):
boxes = [[10.0, 10.0, 10.0000001, 20.0]]
anchors = [[15.0, 12.0, 30.0, 18.0]]
scale_factors = None
expected_rel_codes = [[-1.317616, 0., -20.670586]]
boxes = box_list.BoxList(tf.constant(boxes))
anchors = box_list.BoxList(tf.constant(anchors))
coder = square_box_coder.SquareBoxCoder(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4: test_correct_boxes_with_default_scale
# 需要导入模块: from object_detection.box_coders import square_box_coder [as 别名]
# 或者: from object_detection.box_coders.square_box_coder import SquareBoxCoder [as 别名]
def test_correct_boxes_with_default_scale(self):
anchors = [[15.0, 12.0, 30.0, 18.0], [0.1, 0.0, 0.7, 0.9]]
rel_codes = [[-0.5, -0.416666, -0.405465],
[-0.083333, -0.222222, -0.693147]]
scale_factors = None
expected_boxes = [[14.594306, 7.884875, 20.918861, 14.209432],
[0.155051, 0.102989, 0.522474, 0.470412]]
anchors = box_list.BoxList(tf.constant(anchors))
coder = square_box_coder.SquareBoxCoder(scale_factors=scale_factors)
boxes = coder.decode(rel_codes, anchors)
with self.test_session() as sess:
(boxes_out,) = sess.run([boxes.get()])
self.assertAllClose(boxes_out, expected_boxes) 示例5: test_correct_boxes_with_non_default_scale
# 需要导入模块: from object_detection.box_coders import square_box_coder [as 别名]
# 或者: from object_detection.box_coders.square_box_coder import SquareBoxCoder [as 别名]
def test_correct_boxes_with_non_default_scale(self):
anchors = [[15.0, 12.0, 30.0, 18.0], [0.1, 0.0, 0.7, 0.9]]
rel_codes = [[-1., -1.25, -1.62186], [-0.166667, -0.666667, -2.772588]]
scale_factors = [2, 3, 4]
expected_boxes = [[14.594306, 7.884875, 20.918861, 14.209432],
[0.155051, 0.102989, 0.522474, 0.470412]]
anchors = box_list.BoxList(tf.constant(anchors))
coder = square_box_coder.SquareBoxCoder(scale_factors=scale_factors)
boxes = coder.decode(rel_codes, anchors)
with self.test_session() as sess:
(boxes_out,) = sess.run([boxes.get()])
self.assertAllClose(boxes_out, expected_boxes) 示例6: test_build_square_box_coder_with_non_default_parameters
# 需要导入模块: from object_detection.box_coders import square_box_coder [as 别名]
# 或者: from object_detection.box_coders.square_box_coder import SquareBoxCoder [as 别名]
def test_build_square_box_coder_with_non_default_parameters(self):
box_coder_text_proto = """
square_box_coder {
y_scale: 6.0
x_scale: 3.0
length_scale: 7.0
}
"""
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.assertTrue(
isinstance(box_coder_object, square_box_coder.SquareBoxCoder))
self.assertEqual(box_coder_object._scale_factors, [6.0, 3.0, 7.0]) 示例7: build
# 需要导入模块: from object_detection.box_coders import square_box_coder [as 别名]
# 或者: from object_detection.box_coders.square_box_coder import SquareBoxCoder [as 别名]
def build(box_coder_config):
"""Builds a box coder object based on the box coder config.
Args:
box_coder_config: A box_coder.proto object containing the config for the
desired box coder.
Returns:
BoxCoder based on the config.
Raises:
ValueError: On empty box coder proto.
"""
if not isinstance(box_coder_config, box_coder_pb2.BoxCoder):
raise ValueError('box_coder_config not of type box_coder_pb2.BoxCoder.')
if box_coder_config.WhichOneof('box_coder_oneof') == 'faster_rcnn_box_coder':
return faster_rcnn_box_coder.FasterRcnnBoxCoder(scale_factors=[
box_coder_config.faster_rcnn_box_coder.y_scale,
box_coder_config.faster_rcnn_box_coder.x_scale,
box_coder_config.faster_rcnn_box_coder.height_scale,
box_coder_config.faster_rcnn_box_coder.width_scale
])
if (box_coder_config.WhichOneof('box_coder_oneof') ==
'mean_stddev_box_coder'):
return mean_stddev_box_coder.MeanStddevBoxCoder()
if box_coder_config.WhichOneof('box_coder_oneof') == 'square_box_coder':
return square_box_coder.SquareBoxCoder(scale_factors=[
box_coder_config.square_box_coder.y_scale,
box_coder_config.square_box_coder.x_scale,
box_coder_config.square_box_coder.length_scale
])
raise ValueError('Empty box coder.')