mediapipe/mediapipe2/examples/desktop/media_sequence/read_demo_dataset.py
2021-06-10 23:01:19 +00:00

48 lines
1.6 KiB
Python

# Copyright 2020 The MediaPipe Authors.
#
# 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.
# Lint as: python3
"""Example of reading a MediaSequence dataset.
"""
from absl import app
from absl import flags
from mediapipe.examples.desktop.media_sequence.demo_dataset import DemoDataset
import tensorflow as tf
FLAGS = flags.FLAGS
def main(argv):
if len(argv) > 1:
raise app.UsageError('Too many command-line arguments.')
demo_data_path = '/tmp/demo_data/'
with tf.Graph().as_default():
d = DemoDataset(demo_data_path)
dataset = d.as_dataset('test')
# implement additional processing and batching here
dataset_output = dataset.make_one_shot_iterator().get_next()
images = dataset_output['images']
labels = dataset_output['labels']
with tf.Session() as sess:
images_, labels_ = sess.run([images, labels])
print('The shape of images_ is %s' % str(images_.shape)) # pylint: disable=superfluous-parens
print('The shape of labels_ is %s' % str(labels_.shape)) # pylint: disable=superfluous-parens
if __name__ == '__main__':
app.run(main)