with tf.Graph().as_default():
        gpu_options = tf.GPUOptions(per_process_gpu_memory_fraction=0.6)
        sess = tf.Session(config=tf.ConfigProto(gpu_options=gpu_options, log_device_placement = False))

        with sess.as_default():
                print('Loading feature extraction model')
                facenet.load_model(FACENET_MODEL_PATH)