当前位置: 首页>>代码示例>>Python>>正文


Python multiscale_grid_anchor_generator.MultiscaleGridAnchorGenerator方法代码示例

本文整理汇总了Python中object_detection.anchor_generators.multiscale_grid_anchor_generator.MultiscaleGridAnchorGenerator方法的典型用法代码示例。如果您正苦于以下问题:Python multiscale_grid_anchor_generator.MultiscaleGridAnchorGenerator方法的具体用法?Python multiscale_grid_anchor_generator.MultiscaleGridAnchorGenerator怎么用?Python multiscale_grid_anchor_generator.MultiscaleGridAnchorGenerator使用的例子?那么, 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object_detection.anchor_generators.multiscale_grid_anchor_generator的用法示例。


在下文中一共展示了multiscale_grid_anchor_generator.MultiscaleGridAnchorGenerator方法的13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_construct_single_anchor

# 需要导入模块: from object_detection.anchor_generators import multiscale_grid_anchor_generator [as 别名]
# 或者: from object_detection.anchor_generators.multiscale_grid_anchor_generator import MultiscaleGridAnchorGenerator [as 别名]
def test_construct_single_anchor(self):
    min_level = 5
    max_level = 5
    anchor_scale = 4.0
    aspect_ratios = [1.0]
    scales_per_octave = 1
    im_height = 64
    im_width = 64
    feature_map_shape_list = [(2, 2)]
    exp_anchor_corners = [[-48, -48, 80, 80],
                          [-48, -16, 80, 112],
                          [-16, -48, 112, 80],
                          [-16, -16, 112, 112]]
    anchor_generator = mg.MultiscaleGridAnchorGenerator(
        min_level, max_level, anchor_scale, aspect_ratios, scales_per_octave,
        normalize_coordinates=False)
    anchors_list = anchor_generator.generate(
        feature_map_shape_list, im_height=im_height, im_width=im_width)
    anchor_corners = anchors_list[0].get()

    with self.test_session():
      anchor_corners_out = anchor_corners.eval()
      self.assertAllClose(anchor_corners_out, exp_anchor_corners) 
开发者ID:ahmetozlu,项目名称:vehicle_counting_tensorflow,代码行数:25,代码来源:multiscale_grid_anchor_generator_test.py

示例2: test_construct_single_anchor_unit_dimensions

# 需要导入模块: from object_detection.anchor_generators import multiscale_grid_anchor_generator [as 别名]
# 或者: from object_detection.anchor_generators.multiscale_grid_anchor_generator import MultiscaleGridAnchorGenerator [as 别名]
def test_construct_single_anchor_unit_dimensions(self):
    min_level = 5
    max_level = 5
    anchor_scale = 1.0
    aspect_ratios = [1.0]
    scales_per_octave = 1
    im_height = 1
    im_width = 1
    feature_map_shape_list = [(2, 2)]
    # Positive offsets are produced.
    exp_anchor_corners = [[0, 0, 32, 32],
                          [0, 32, 32, 64],
                          [32, 0, 64, 32],
                          [32, 32, 64, 64]]

    anchor_generator = mg.MultiscaleGridAnchorGenerator(
        min_level, max_level, anchor_scale, aspect_ratios, scales_per_octave,
        normalize_coordinates=False)
    anchors_list = anchor_generator.generate(
        feature_map_shape_list, im_height=im_height, im_width=im_width)
    anchor_corners = anchors_list[0].get()

    with self.test_session():
      anchor_corners_out = anchor_corners.eval()
      self.assertAllClose(anchor_corners_out, exp_anchor_corners) 
开发者ID:ahmetozlu,项目名称:vehicle_counting_tensorflow,代码行数:27,代码来源:multiscale_grid_anchor_generator_test.py

示例3: test_construct_single_anchor_in_normalized_coordinates

# 需要导入模块: from object_detection.anchor_generators import multiscale_grid_anchor_generator [as 别名]
# 或者: from object_detection.anchor_generators.multiscale_grid_anchor_generator import MultiscaleGridAnchorGenerator [as 别名]
def test_construct_single_anchor_in_normalized_coordinates(self):
    min_level = 5
    max_level = 5
    anchor_scale = 4.0
    aspect_ratios = [1.0]
    scales_per_octave = 1
    im_height = 64
    im_width = 128
    feature_map_shape_list = [(2, 2)]
    exp_anchor_corners = [[-48./64, -48./128, 80./64, 80./128],
                          [-48./64, -16./128, 80./64, 112./128],
                          [-16./64, -48./128, 112./64, 80./128],
                          [-16./64, -16./128, 112./64, 112./128]]
    anchor_generator = mg.MultiscaleGridAnchorGenerator(
        min_level, max_level, anchor_scale, aspect_ratios, scales_per_octave,
        normalize_coordinates=True)
    anchors_list = anchor_generator.generate(
        feature_map_shape_list, im_height=im_height, im_width=im_width)
    anchor_corners = anchors_list[0].get()

    with self.test_session():
      anchor_corners_out = anchor_corners.eval()
      self.assertAllClose(anchor_corners_out, exp_anchor_corners) 
开发者ID:ahmetozlu,项目名称:vehicle_counting_tensorflow,代码行数:25,代码来源:multiscale_grid_anchor_generator_test.py

示例4: test_construct_single_anchor

# 需要导入模块: from object_detection.anchor_generators import multiscale_grid_anchor_generator [as 别名]
# 或者: from object_detection.anchor_generators.multiscale_grid_anchor_generator import MultiscaleGridAnchorGenerator [as 别名]
def test_construct_single_anchor(self):
    min_level = 5
    max_level = 5
    anchor_scale = 4.0
    aspect_ratios = [1.0]
    scales_per_octave = 1
    im_height = 64
    im_width = 64
    feature_map_shape_list = [(2, 2)]
    exp_anchor_corners = [[-48, -48, 80, 80],
                          [-48, -16, 80, 112],
                          [-16, -48, 112, 80],
                          [-16, -16, 112, 112]]
    anchor_generator = mg.MultiscaleGridAnchorGenerator(
        min_level, max_level, anchor_scale, aspect_ratios, scales_per_octave)
    anchors = anchor_generator.generate(feature_map_shape_list,
                                        im_height, im_width)
    anchor_corners = anchors.get()

    with self.test_session():
      anchor_corners_out = anchor_corners.eval()
      self.assertAllClose(anchor_corners_out, exp_anchor_corners) 
开发者ID:ShreyAmbesh,项目名称:Traffic-Rule-Violation-Detection-System,代码行数:24,代码来源:multiscale_grid_anchor_generator_test.py

示例5: test_construct_single_anchor_on_two_feature_maps

# 需要导入模块: from object_detection.anchor_generators import multiscale_grid_anchor_generator [as 别名]
# 或者: from object_detection.anchor_generators.multiscale_grid_anchor_generator import MultiscaleGridAnchorGenerator [as 别名]
def test_construct_single_anchor_on_two_feature_maps(self):

    def graph_fn():
      min_level = 5
      max_level = 6
      anchor_scale = 4.0
      aspect_ratios = [1.0]
      scales_per_octave = 1
      im_height = 64
      im_width = 64
      feature_map_shape_list = [(2, 2), (1, 1)]
      anchor_generator = mg.MultiscaleGridAnchorGenerator(
          min_level, max_level, anchor_scale, aspect_ratios, scales_per_octave)
      anchors = anchor_generator.generate(feature_map_shape_list, im_height,
                                          im_width)
      anchor_corners = anchors.get()
      return (anchor_corners,)

    anchor_corners_out = self.execute(graph_fn, [])
    exp_anchor_corners = [[-48, -48, 80, 80],
                          [-48, -16, 80, 112],
                          [-16, -48, 112, 80],
                          [-16, -16, 112, 112],
                          [-96, -96, 160, 160]]
    self.assertAllClose(anchor_corners_out, exp_anchor_corners) 
开发者ID:ShreyAmbesh,项目名称:Traffic-Rule-Violation-Detection-System,代码行数:27,代码来源:multiscale_grid_anchor_generator_test.py

示例6: test_construct_single_anchor_dynamic_size

# 需要导入模块: from object_detection.anchor_generators import multiscale_grid_anchor_generator [as 别名]
# 或者: from object_detection.anchor_generators.multiscale_grid_anchor_generator import MultiscaleGridAnchorGenerator [as 别名]
def test_construct_single_anchor_dynamic_size(self):
    min_level = 5
    max_level = 5
    anchor_scale = 4.0
    aspect_ratios = [1.0]
    scales_per_octave = 1
    im_height = tf.constant(64)
    im_width = tf.constant(64)
    feature_map_shape_list = [(2, 2)]
    # Zero offsets are used.
    exp_anchor_corners = [[-64, -64, 64, 64],
                          [-64, -32, 64, 96],
                          [-32, -64, 96, 64],
                          [-32, -32, 96, 96]]

    anchor_generator = mg.MultiscaleGridAnchorGenerator(
        min_level, max_level, anchor_scale, aspect_ratios, scales_per_octave,
        normalize_coordinates=False)
    anchors_list = anchor_generator.generate(
        feature_map_shape_list, im_height=im_height, im_width=im_width)
    anchor_corners = anchors_list[0].get()

    with self.test_session():
      anchor_corners_out = anchor_corners.eval()
      self.assertAllClose(anchor_corners_out, exp_anchor_corners) 
开发者ID:ShivangShekhar,项目名称:Live-feed-object-device-identification-using-Tensorflow-and-OpenCV,代码行数:27,代码来源:multiscale_grid_anchor_generator_test.py

示例7: test_construct_normalized_anchors_fails_with_unit_dimensions

# 需要导入模块: from object_detection.anchor_generators import multiscale_grid_anchor_generator [as 别名]
# 或者: from object_detection.anchor_generators.multiscale_grid_anchor_generator import MultiscaleGridAnchorGenerator [as 别名]
def test_construct_normalized_anchors_fails_with_unit_dimensions(self):
    anchor_generator = mg.MultiscaleGridAnchorGenerator(
        min_level=5, max_level=5, anchor_scale=1.0, aspect_ratios=[1.0],
        scales_per_octave=1, normalize_coordinates=True)
    with self.assertRaisesRegexp(ValueError, 'Normalized coordinates'):
      anchor_generator.generate(
          feature_map_shape_list=[(2, 2)], im_height=1, im_width=1) 
开发者ID:ahmetozlu,项目名称:vehicle_counting_tensorflow,代码行数:9,代码来源:multiscale_grid_anchor_generator_test.py

示例8: test_num_anchors_per_location

# 需要导入模块: from object_detection.anchor_generators import multiscale_grid_anchor_generator [as 别名]
# 或者: from object_detection.anchor_generators.multiscale_grid_anchor_generator import MultiscaleGridAnchorGenerator [as 别名]
def test_num_anchors_per_location(self):
    min_level = 5
    max_level = 6
    anchor_scale = 4.0
    aspect_ratios = [1.0, 2.0]
    scales_per_octave = 3
    anchor_generator = mg.MultiscaleGridAnchorGenerator(
        min_level, max_level, anchor_scale, aspect_ratios, scales_per_octave,
        normalize_coordinates=False)
    self.assertEqual(anchor_generator.num_anchors_per_location(), [6, 6]) 
开发者ID:ahmetozlu,项目名称:vehicle_counting_tensorflow,代码行数:12,代码来源:multiscale_grid_anchor_generator_test.py

示例9: test_construct_single_anchor_with_odd_input_dimension

# 需要导入模块: from object_detection.anchor_generators import multiscale_grid_anchor_generator [as 别名]
# 或者: from object_detection.anchor_generators.multiscale_grid_anchor_generator import MultiscaleGridAnchorGenerator [as 别名]
def test_construct_single_anchor_with_odd_input_dimension(self):

    def graph_fn():
      min_level = 5
      max_level = 5
      anchor_scale = 4.0
      aspect_ratios = [1.0]
      scales_per_octave = 1
      im_height = 65
      im_width = 65
      feature_map_shape_list = [(3, 3)]
      anchor_generator = mg.MultiscaleGridAnchorGenerator(
          min_level, max_level, anchor_scale, aspect_ratios, scales_per_octave,
          normalize_coordinates=False)
      anchors_list = anchor_generator.generate(
          feature_map_shape_list, im_height=im_height, im_width=im_width)
      anchor_corners = anchors_list[0].get()
      return (anchor_corners,)
    anchor_corners_out = self.execute(graph_fn, [])
    exp_anchor_corners = [[-64, -64, 64, 64],
                          [-64, -32, 64, 96],
                          [-64, 0, 64, 128],
                          [-32, -64, 96, 64],
                          [-32, -32, 96, 96],
                          [-32, 0, 96, 128],
                          [0, -64, 128, 64],
                          [0, -32, 128, 96],
                          [0, 0, 128, 128]]
    self.assertAllClose(anchor_corners_out, exp_anchor_corners) 
开发者ID:ahmetozlu,项目名称:vehicle_counting_tensorflow,代码行数:31,代码来源:multiscale_grid_anchor_generator_test.py

示例10: test_construct_single_anchor_on_two_feature_maps

# 需要导入模块: from object_detection.anchor_generators import multiscale_grid_anchor_generator [as 别名]
# 或者: from object_detection.anchor_generators.multiscale_grid_anchor_generator import MultiscaleGridAnchorGenerator [as 别名]
def test_construct_single_anchor_on_two_feature_maps(self):

    def graph_fn():
      min_level = 5
      max_level = 6
      anchor_scale = 4.0
      aspect_ratios = [1.0]
      scales_per_octave = 1
      im_height = 64
      im_width = 64
      feature_map_shape_list = [(2, 2), (1, 1)]
      anchor_generator = mg.MultiscaleGridAnchorGenerator(
          min_level, max_level, anchor_scale, aspect_ratios, scales_per_octave,
          normalize_coordinates=False)
      anchors_list = anchor_generator.generate(feature_map_shape_list,
                                               im_height=im_height,
                                               im_width=im_width)
      anchor_corners = [anchors.get() for anchors in anchors_list]
      return anchor_corners

    anchor_corners_out = np.concatenate(self.execute(graph_fn, []), axis=0)
    exp_anchor_corners = [[-48, -48, 80, 80],
                          [-48, -16, 80, 112],
                          [-16, -48, 112, 80],
                          [-16, -16, 112, 112],
                          [-96, -96, 160, 160]]
    self.assertAllClose(anchor_corners_out, exp_anchor_corners) 
开发者ID:ahmetozlu,项目名称:vehicle_counting_tensorflow,代码行数:29,代码来源:multiscale_grid_anchor_generator_test.py

示例11: test_construct_single_anchor_with_two_scales_per_octave

# 需要导入模块: from object_detection.anchor_generators import multiscale_grid_anchor_generator [as 别名]
# 或者: from object_detection.anchor_generators.multiscale_grid_anchor_generator import MultiscaleGridAnchorGenerator [as 别名]
def test_construct_single_anchor_with_two_scales_per_octave(self):

    def graph_fn():
      min_level = 6
      max_level = 6
      anchor_scale = 4.0
      aspect_ratios = [1.0]
      scales_per_octave = 2
      im_height = 64
      im_width = 64
      feature_map_shape_list = [(1, 1)]

      anchor_generator = mg.MultiscaleGridAnchorGenerator(
          min_level, max_level, anchor_scale, aspect_ratios, scales_per_octave,
          normalize_coordinates=False)
      anchors_list = anchor_generator.generate(feature_map_shape_list,
                                               im_height=im_height,
                                               im_width=im_width)
      anchor_corners = [anchors.get() for anchors in anchors_list]
      return anchor_corners
    # There are 4 set of anchors in this configuration. The order is:
    # [[2**0.0 intermediate scale + 1.0 aspect],
    #  [2**0.5 intermediate scale + 1.0 aspect]]
    exp_anchor_corners = [[-96., -96., 160., 160.],
                          [-149.0193, -149.0193, 213.0193, 213.0193]]

    anchor_corners_out = self.execute(graph_fn, [])
    self.assertAllClose(anchor_corners_out, exp_anchor_corners) 
开发者ID:ahmetozlu,项目名称:vehicle_counting_tensorflow,代码行数:30,代码来源:multiscale_grid_anchor_generator_test.py

示例12: test_construct_single_anchor_with_two_scales_per_octave_and_aspect

# 需要导入模块: from object_detection.anchor_generators import multiscale_grid_anchor_generator [as 别名]
# 或者: from object_detection.anchor_generators.multiscale_grid_anchor_generator import MultiscaleGridAnchorGenerator [as 别名]
def test_construct_single_anchor_with_two_scales_per_octave_and_aspect(self):
    def graph_fn():
      min_level = 6
      max_level = 6
      anchor_scale = 4.0
      aspect_ratios = [1.0, 2.0]
      scales_per_octave = 2
      im_height = 64
      im_width = 64
      feature_map_shape_list = [(1, 1)]
      anchor_generator = mg.MultiscaleGridAnchorGenerator(
          min_level, max_level, anchor_scale, aspect_ratios, scales_per_octave,
          normalize_coordinates=False)
      anchors_list = anchor_generator.generate(feature_map_shape_list,
                                               im_height=im_height,
                                               im_width=im_width)
      anchor_corners = [anchors.get() for anchors in anchors_list]
      return anchor_corners
    # There are 4 set of anchors in this configuration. The order is:
    # [[2**0.0 intermediate scale + 1.0 aspect],
    #  [2**0.5 intermediate scale + 1.0 aspect],
    #  [2**0.0 intermediate scale + 2.0 aspect],
    #  [2**0.5 intermediate scale + 2.0 aspect]]

    exp_anchor_corners = [[-96., -96., 160., 160.],
                          [-149.0193, -149.0193, 213.0193, 213.0193],
                          [-58.50967, -149.0193, 122.50967, 213.0193],
                          [-96., -224., 160., 288.]]
    anchor_corners_out = self.execute(graph_fn, [])
    self.assertAllClose(anchor_corners_out, exp_anchor_corners) 
开发者ID:ahmetozlu,项目名称:vehicle_counting_tensorflow,代码行数:32,代码来源:multiscale_grid_anchor_generator_test.py

示例13: test_construct_single_anchors_on_feature_maps_with_dynamic_shape

# 需要导入模块: from object_detection.anchor_generators import multiscale_grid_anchor_generator [as 别名]
# 或者: from object_detection.anchor_generators.multiscale_grid_anchor_generator import MultiscaleGridAnchorGenerator [as 别名]
def test_construct_single_anchors_on_feature_maps_with_dynamic_shape(self):

    def graph_fn(feature_map1_height, feature_map1_width, feature_map2_height,
                 feature_map2_width):
      min_level = 5
      max_level = 6
      anchor_scale = 4.0
      aspect_ratios = [1.0]
      scales_per_octave = 1
      im_height = 64
      im_width = 64
      feature_map_shape_list = [(feature_map1_height, feature_map1_width),
                                (feature_map2_height, feature_map2_width)]
      anchor_generator = mg.MultiscaleGridAnchorGenerator(
          min_level, max_level, anchor_scale, aspect_ratios, scales_per_octave,
          normalize_coordinates=False)
      anchors_list = anchor_generator.generate(feature_map_shape_list,
                                               im_height=im_height,
                                               im_width=im_width)
      anchor_corners = [anchors.get() for anchors in anchors_list]
      return anchor_corners

    anchor_corners_out = np.concatenate(
        self.execute_cpu(graph_fn, [
            np.array(2, dtype=np.int32),
            np.array(2, dtype=np.int32),
            np.array(1, dtype=np.int32),
            np.array(1, dtype=np.int32)
        ]),
        axis=0)
    exp_anchor_corners = [[-48, -48, 80, 80],
                          [-48, -16, 80, 112],
                          [-16, -48, 112, 80],
                          [-16, -16, 112, 112],
                          [-96, -96, 160, 160]]
    self.assertAllClose(anchor_corners_out, exp_anchor_corners) 
开发者ID:ahmetozlu,项目名称:vehicle_counting_tensorflow,代码行数:38,代码来源:multiscale_grid_anchor_generator_test.py


注:本文中的object_detection.anchor_generators.multiscale_grid_anchor_generator.MultiscaleGridAnchorGenerator方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。