def _assert_model_fn_for_predict(self, configs):
model_config = configs['model']
with tf.Graph().as_default():
features, _ = _make_initializable_iterator(
inputs.create_eval_input_fn(configs['eval_config'],
configs['eval_input_config'],
configs['model'])()).get_next()
detection_model_fn = functools.partial(model_builder.build,
model_config=model_config,
is_training=False)
hparams = model_hparams.create_hparams(
hparams_overrides='load_pretrained=false')
model_fn = model_lib.create_model_fn(detection_model_fn, configs,
hparams)
estimator_spec = model_fn(features, None,
tf.estimator.ModeKeys.PREDICT)
self.assertIsNone(estimator_spec.loss)
self.assertIsNone(estimator_spec.train_op)
self.assertIsNotNone(estimator_spec.predictions)
self.assertIsNotNone(estimator_spec.export_outputs)
self.assertIn(
tf.saved_model.signature_constants.PREDICT_METHOD_NAME,
estimator_spec.export_outputs)
def test_error_with_bad_eval_model_config(self):
"""Tests that a TypeError is raised with improper eval model config."""
configs = _get_configs_for_model('ssd_inception_v2_pets')
configs['model'].ssd.num_classes = 37
eval_input_fn = inputs.create_eval_input_fn(
eval_config=configs['eval_config'],
eval_input_config=configs['eval_input_config'],
model_config=configs['eval_config']) # Expecting `DetectionModel`.
with self.assertRaises(TypeError):
eval_input_fn()
def test_faster_rcnn_resnet50_eval_input(self):
"""Tests the eval input function for FasterRcnnResnet50."""
configs = _get_configs_for_model('faster_rcnn_resnet50_pets')
model_config = configs['model']
model_config.faster_rcnn.num_classes = 37
eval_input_fn = inputs.create_eval_input_fn(
configs['eval_config'], configs['eval_input_config'], model_config)
features, labels = _make_initializable_iterator(eval_input_fn()).get_next()
self.assertAllEqual([1, None, None, 3],
features[fields.InputDataFields.image].shape.as_list())
self.assertEqual(tf.float32, features[fields.InputDataFields.image].dtype)
self.assertAllEqual(
[1, None, None, 3],
features[fields.InputDataFields.original_image].shape.as_list())
self.assertEqual(tf.uint8,
features[fields.InputDataFields.original_image].dtype)
self.assertAllEqual([1], features[inputs.HASH_KEY].shape.as_list())
self.assertEqual(tf.int32, features[inputs.HASH_KEY].dtype)
self.assertAllEqual(
[1, 100, 4],
labels[fields.InputDataFields.groundtruth_boxes].shape.as_list())
self.assertEqual(tf.float32,
labels[fields.InputDataFields.groundtruth_boxes].dtype)
self.assertAllEqual(
[1, 100, model_config.faster_rcnn.num_classes],
labels[fields.InputDataFields.groundtruth_classes].shape.as_list())
self.assertEqual(tf.float32,
labels[fields.InputDataFields.groundtruth_classes].dtype)
self.assertAllEqual(
[1, 100],
labels[fields.InputDataFields.groundtruth_area].shape.as_list())
self.assertEqual(tf.float32,
labels[fields.InputDataFields.groundtruth_area].dtype)
self.assertAllEqual(
[1, 100],
labels[fields.InputDataFields.groundtruth_is_crowd].shape.as_list())
self.assertEqual(
tf.bool, labels[fields.InputDataFields.groundtruth_is_crowd].dtype)
self.assertAllEqual(
[1, 100],
labels[fields.InputDataFields.groundtruth_difficult].shape.as_list())
self.assertEqual(
tf.int32, labels[fields.InputDataFields.groundtruth_difficult].dtype)
def _assert_model_fn_for_train_eval(self,
configs,
mode,
class_agnostic=False):
model_config = configs['model']
train_config = configs['train_config']
with tf.Graph().as_default():
if mode == 'train':
features, labels = _make_initializable_iterator(
inputs.create_train_input_fn(
configs['train_config'], configs['train_input_config'],
configs['model'])()).get_next()
model_mode = tf.estimator.ModeKeys.TRAIN
batch_size = train_config.batch_size
elif mode == 'eval':
features, labels = _make_initializable_iterator(
inputs.create_eval_input_fn(
configs['eval_config'], configs['eval_input_config'],
configs['model'])()).get_next()
model_mode = tf.estimator.ModeKeys.EVAL
batch_size = 1
elif mode == 'eval_on_train':
features, labels = _make_initializable_iterator(
inputs.create_eval_input_fn(
configs['eval_config'], configs['train_input_config'],
configs['model'])()).get_next()
model_mode = tf.estimator.ModeKeys.EVAL
batch_size = 1
detection_model_fn = functools.partial(model_builder.build,
model_config=model_config,
is_training=True)
hparams = model_hparams.create_hparams(
hparams_overrides='load_pretrained=false')
model_fn = model_lib.create_model_fn(detection_model_fn, configs,
hparams)
estimator_spec = model_fn(features, labels, model_mode)
self.assertIsNotNone(estimator_spec.loss)
self.assertIsNotNone(estimator_spec.predictions)
if mode == 'eval' or mode == 'eval_on_train':
if class_agnostic:
self.assertNotIn('detection_classes',
estimator_spec.predictions)
else:
detection_classes = estimator_spec.predictions[
'detection_classes']
self.assertEqual(batch_size,
detection_classes.shape.as_list()[0])
self.assertEqual(tf.float32, detection_classes.dtype)
detection_boxes = estimator_spec.predictions['detection_boxes']
detection_scores = estimator_spec.predictions[
'detection_scores']
num_detections = estimator_spec.predictions['num_detections']
self.assertEqual(batch_size,
detection_boxes.shape.as_list()[0])
self.assertEqual(tf.float32, detection_boxes.dtype)
self.assertEqual(batch_size,
detection_scores.shape.as_list()[0])
self.assertEqual(tf.float32, detection_scores.dtype)
self.assertEqual(tf.float32, num_detections.dtype)
if model_mode == tf.estimator.ModeKeys.TRAIN:
self.assertIsNotNone(estimator_spec.train_op)
return estimator_spec