本文整理汇总了Python中object_detection.core.box_list_ops.ioa方法的典型用法代码示例。如果您正苦于以下问题：Python box_list_ops.ioa方法的具体用法？Python box_list_ops.ioa怎么用？Python box_list_ops.ioa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.core.box_list_ops的用法示例。
在下文中一共展示了box_list_ops.ioa方法的2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_ioa
# 需要导入模块: from object_detection.core import box_list_ops [as 别名]
# 或者: from object_detection.core.box_list_ops import ioa [as 别名]
def test_ioa(self):
corners1 = tf.constant([[4.0, 3.0, 7.0, 5.0], [5.0, 6.0, 10.0, 7.0]])
corners2 = tf.constant([[3.0, 4.0, 6.0, 8.0], [14.0, 14.0, 15.0, 15.0],
[0.0, 0.0, 20.0, 20.0]])
exp_output_1 = [[2.0 / 12.0, 0, 6.0 / 400.0],
[1.0 / 12.0, 0.0, 5.0 / 400.0]]
exp_output_2 = [[2.0 / 6.0, 1.0 / 5.0],
[0, 0],
[6.0 / 6.0, 5.0 / 5.0]]
boxes1 = box_list.BoxList(corners1)
boxes2 = box_list.BoxList(corners2)
ioa_1 = box_list_ops.ioa(boxes1, boxes2)
ioa_2 = box_list_ops.ioa(boxes2, boxes1)
with self.test_session() as sess:
ioa_output_1, ioa_output_2 = sess.run([ioa_1, ioa_2])
self.assertAllClose(ioa_output_1, exp_output_1)
self.assertAllClose(ioa_output_2, exp_output_2) 示例2: test_ioaworks_on_empty_inputs
# 需要导入模块: from object_detection.core import box_list_ops [as 别名]
# 或者: from object_detection.core.box_list_ops import ioa [as 别名]
def test_ioaworks_on_empty_inputs(self):
corners1 = tf.constant([[4.0, 3.0, 7.0, 5.0], [5.0, 6.0, 10.0, 7.0]])
corners2 = tf.constant([[3.0, 4.0, 6.0, 8.0], [14.0, 14.0, 15.0, 15.0],
[0.0, 0.0, 20.0, 20.0]])
boxes1 = box_list.BoxList(corners1)
boxes2 = box_list.BoxList(corners2)
boxes_empty = box_list.BoxList(tf.zeros((0, 4)))
ioa_empty_1 = box_list_ops.ioa(boxes1, boxes_empty)
ioa_empty_2 = box_list_ops.ioa(boxes_empty, boxes2)
ioa_empty_3 = box_list_ops.ioa(boxes_empty, boxes_empty)
with self.test_session() as sess:
ioa_output_1, ioa_output_2, ioa_output_3 = sess.run(
[ioa_empty_1, ioa_empty_2, ioa_empty_3])
self.assertAllEqual(ioa_output_1.shape, (2, 0))
self.assertAllEqual(ioa_output_2.shape, (0, 3))
self.assertAllEqual(ioa_output_3.shape, (0, 0))