本文整理汇总了Python中object_detection.metrics.coco_tools.ExportGroundtruthToCOCO方法的典型用法代码示例。如果您正苦于以下问题：Python coco_tools.ExportGroundtruthToCOCO方法的具体用法？Python coco_tools.ExportGroundtruthToCOCO怎么用？Python coco_tools.ExportGroundtruthToCOCO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.metrics.coco_tools的用法示例。
在下文中一共展示了coco_tools.ExportGroundtruthToCOCO方法的1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: testExportGroundtruthToCOCO
# 需要导入模块: from object_detection.metrics import coco_tools [as 别名]
# 或者: from object_detection.metrics.coco_tools import ExportGroundtruthToCOCO [as 别名]
def testExportGroundtruthToCOCO(self):
image_ids = ['first', 'second']
groundtruth_boxes = [np.array([[100, 100, 200, 200]], np.float),
np.array([[50, 50, 100, 100]], np.float)]
groundtruth_classes = [np.array([1], np.int32), np.array([1], np.int32)]
categories = [{'id': 0, 'name': 'person'},
{'id': 1, 'name': 'cat'},
{'id': 2, 'name': 'dog'}]
output_path = os.path.join(tf.test.get_temp_dir(), 'groundtruth.json')
result = coco_tools.ExportGroundtruthToCOCO(
image_ids,
groundtruth_boxes,
groundtruth_classes,
categories,
output_path=output_path)
self.assertDictEqual(result, self._groundtruth_dict)
with tf.gfile.GFile(output_path, 'r') as f:
written_result = f.read()
# The json output should have floats written to 4 digits of precision.
matcher = re.compile(r'"bbox":\s+\[\n\s+\d+.\d\d\d\d,', re.MULTILINE)
self.assertTrue(matcher.findall(written_result))
written_result = json.loads(written_result)
self.assertAlmostEqual(result, written_result)