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eval.py
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eval.py
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# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================
r"""Evaluation executable for detection models.
This executable is used to evaluate DetectionModels. There are two ways of
configuring the eval job.
1) A single pipeline_pb2.TrainEvalPipelineConfig file maybe specified instead.
In this mode, the --eval_training_data flag may be given to force the pipeline
to evaluate on training data instead.
Example usage:
./eval \
--logtostderr \
--checkpoint_dir=path/to/checkpoint_dir \
--eval_dir=path/to/eval_dir \
--pipeline_config_path=pipeline_config.pbtxt
2) Three configuration files may be provided: a model_pb2.DetectionModel
configuration file to define what type of DetectionModel is being evaulated, an
input_reader_pb2.InputReader file to specify what data the model is evaluating
and an eval_pb2.EvalConfig file to configure evaluation parameters.
Example usage:
./eval \
--logtostderr \
--checkpoint_dir=path/to/checkpoint_dir \
--eval_dir=path/to/eval_dir \
--eval_config_path=eval_config.pbtxt \
--model_config_path=model_config.pbtxt \
--input_config_path=eval_input_config.pbtxt
"""
import functools
import tensorflow as tf
from google.protobuf import text_format
from object_detection import evaluator
from object_detection.builders import input_reader_builder
from object_detection.builders import model_builder
from object_detection.protos import eval_pb2
from object_detection.protos import input_reader_pb2
from object_detection.protos import model_pb2
from object_detection.protos import pipeline_pb2
from object_detection.utils import label_map_util
tf.logging.set_verbosity(tf.logging.INFO)
flags = tf.app.flags
flags.DEFINE_boolean('eval_training_data', False,
'If training data should be evaluated for this job.')
flags.DEFINE_string('checkpoint_dir', '',
'Directory containing checkpoints to evaluate, typically '
'set to `train_dir` used in the training job.')
flags.DEFINE_string('eval_dir', '',
'Directory to write eval summaries to.')
flags.DEFINE_string('pipeline_config_path', '',
'Path to a pipeline_pb2.TrainEvalPipelineConfig config '
'file. If provided, other configs are ignored')
flags.DEFINE_string('eval_config_path', '',
'Path to an eval_pb2.EvalConfig config file.')
flags.DEFINE_string('input_config_path', '',
'Path to an input_reader_pb2.InputReader config file.')
flags.DEFINE_string('model_config_path', '',
'Path to a model_pb2.DetectionModel config file.')
FLAGS = flags.FLAGS
def get_configs_from_pipeline_file():
"""Reads evaluation configuration from a pipeline_pb2.TrainEvalPipelineConfig.
Reads evaluation config from file specified by pipeline_config_path flag.
Returns:
model_config: a model_pb2.DetectionModel
eval_config: a eval_pb2.EvalConfig
input_config: a input_reader_pb2.InputReader
"""
pipeline_config = pipeline_pb2.TrainEvalPipelineConfig()
with tf.gfile.GFile(FLAGS.pipeline_config_path, 'r') as f:
text_format.Merge(f.read(), pipeline_config)
model_config = pipeline_config.model
if FLAGS.eval_training_data:
eval_config = pipeline_config.train_config
else:
eval_config = pipeline_config.eval_config
input_config = pipeline_config.eval_input_reader
return model_config, eval_config, input_config
def get_configs_from_multiple_files():
"""Reads evaluation configuration from multiple config files.
Reads the evaluation config from the following files:
model_config: Read from --model_config_path
eval_config: Read from --eval_config_path
input_config: Read from --input_config_path
Returns:
model_config: a model_pb2.DetectionModel
eval_config: a eval_pb2.EvalConfig
input_config: a input_reader_pb2.InputReader
"""
eval_config = eval_pb2.EvalConfig()
with tf.gfile.GFile(FLAGS.eval_config_path, 'r') as f:
text_format.Merge(f.read(), eval_config)
model_config = model_pb2.DetectionModel()
with tf.gfile.GFile(FLAGS.model_config_path, 'r') as f:
text_format.Merge(f.read(), model_config)
input_config = input_reader_pb2.InputReader()
with tf.gfile.GFile(FLAGS.input_config_path, 'r') as f:
text_format.Merge(f.read(), input_config)
return model_config, eval_config, input_config
def main(unused_argv):
assert FLAGS.checkpoint_dir, '`checkpoint_dir` is missing.'
assert FLAGS.eval_dir, '`eval_dir` is missing.'
if FLAGS.pipeline_config_path:
model_config, eval_config, input_config = get_configs_from_pipeline_file()
else:
model_config, eval_config, input_config = get_configs_from_multiple_files()
model_fn = functools.partial(
model_builder.build,
model_config=model_config,
is_training=False)
create_input_dict_fn = functools.partial(
input_reader_builder.build,
input_config)
label_map = label_map_util.load_labelmap(input_config.label_map_path)
max_num_classes = max([item.id for item in label_map.item])
categories = label_map_util.convert_label_map_to_categories(
label_map, max_num_classes)
evaluator.evaluate(create_input_dict_fn, model_fn, eval_config, categories,
FLAGS.checkpoint_dir, FLAGS.eval_dir)
if __name__ == '__main__':
tf.app.run()