本文整理匯總了Python中object_detection.inference.detection_inference.build_input方法的典型用法代碼示例。如果您正苦於以下問題：Python detection_inference.build_input方法的具體用法？Python detection_inference.build_input怎麽用？Python detection_inference.build_input使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類object_detection.inference.detection_inference的用法示例。
在下文中一共展示了detection_inference.build_input方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: main
# 需要導入模塊: from object_detection.inference import detection_inference [as 別名]
# 或者: from object_detection.inference.detection_inference import build_input [as 別名]
def main(_):
tf.logging.set_verbosity(tf.logging.INFO)
required_flags = ['input_tfrecord_paths', 'output_tfrecord_path',
'inference_graph']
for flag_name in required_flags:
if not getattr(FLAGS, flag_name):
raise ValueError('Flag --{} is required'.format(flag_name))
with tf.Session() as sess:
input_tfrecord_paths = [
v for v in FLAGS.input_tfrecord_paths.split(',') if v]
tf.logging.info('Reading input from %d files', len(input_tfrecord_paths))
serialized_example_tensor, image_tensor = detection_inference.build_input(
input_tfrecord_paths)
tf.logging.info('Reading graph and building model...')
(detected_boxes_tensor, detected_scores_tensor,
detected_labels_tensor) = detection_inference.build_inference_graph(
image_tensor, FLAGS.inference_graph)
tf.logging.info('Running inference and writing output to {}'.format(
FLAGS.output_tfrecord_path))
sess.run(tf.local_variables_initializer())
tf.train.start_queue_runners()
with tf.python_io.TFRecordWriter(
FLAGS.output_tfrecord_path) as tf_record_writer:
try:
for counter in itertools.count():
tf.logging.log_every_n(tf.logging.INFO, 'Processed %d images...', 10,
counter)
tf_example = detection_inference.infer_detections_and_add_to_example(
serialized_example_tensor, detected_boxes_tensor,
detected_scores_tensor, detected_labels_tensor,
FLAGS.discard_image_pixels)
tf_record_writer.write(tf_example.SerializeToString())
except tf.errors.OutOfRangeError:
tf.logging.info('Finished processing records') 示例2: test_simple
# 需要導入模塊: from object_detection.inference import detection_inference [as 別名]
# 或者: from object_detection.inference.detection_inference import build_input [as 別名]
def test_simple(self):
create_mock_graph()
create_mock_tfrecord()
serialized_example_tensor, image_tensor = detection_inference.build_input(
[get_mock_tfrecord_path()])
self.assertAllEqual(image_tensor.get_shape().as_list(), [1, None, None, 3])
(detected_boxes_tensor, detected_scores_tensor,
detected_labels_tensor) = detection_inference.build_inference_graph(
image_tensor, get_mock_graph_path())
with self.test_session(use_gpu=False) as sess:
sess.run(tf.global_variables_initializer())
sess.run(tf.local_variables_initializer())
tf.train.start_queue_runners()
tf_example = detection_inference.infer_detections_and_add_to_example(
serialized_example_tensor, detected_boxes_tensor,
detected_scores_tensor, detected_labels_tensor, False)
self.assertProtoEquals(r"""
features {
feature {
key: "image/detection/bbox/ymin"
value { float_list { value: [0.0, 0.1] } } }
feature {
key: "image/detection/bbox/xmin"
value { float_list { value: [0.8, 0.2] } } }
feature {
key: "image/detection/bbox/ymax"
value { float_list { value: [0.7, 0.8] } } }
feature {
key: "image/detection/bbox/xmax"
value { float_list { value: [1.0, 0.9] } } }
feature {
key: "image/detection/label"
value { int64_list { value: [123, 246] } } }
feature {
key: "image/detection/score"
value { float_list { value: [0.1, 0.2] } } }
feature {
key: "image/encoded"
value { bytes_list { value:
"\211PNG\r\n\032\n\000\000\000\rIHDR\000\000\000\001\000\000"
"\000\001\010\002\000\000\000\220wS\336\000\000\000\022IDATx"
"\234b\250f`\000\000\000\000\377\377\003\000\001u\000|gO\242"
"\213\000\000\000\000IEND\256B`\202" } } }
feature {
key: "test_field"
value { float_list { value: [1.0, 2.0, 3.0, 4.0] } } } }
""", tf_example) 示例3: test_discard_image
# 需要導入模塊: from object_detection.inference import detection_inference [as 別名]
# 或者: from object_detection.inference.detection_inference import build_input [as 別名]
def test_discard_image(self):
create_mock_graph()
create_mock_tfrecord()
serialized_example_tensor, image_tensor = detection_inference.build_input(
[get_mock_tfrecord_path()])
(detected_boxes_tensor, detected_scores_tensor,
detected_labels_tensor) = detection_inference.build_inference_graph(
image_tensor, get_mock_graph_path())
with self.test_session(use_gpu=False) as sess:
sess.run(tf.global_variables_initializer())
sess.run(tf.local_variables_initializer())
tf.train.start_queue_runners()
tf_example = detection_inference.infer_detections_and_add_to_example(
serialized_example_tensor, detected_boxes_tensor,
detected_scores_tensor, detected_labels_tensor, True)
self.assertProtoEquals(r"""
features {
feature {
key: "image/detection/bbox/ymin"
value { float_list { value: [0.0, 0.1] } } }
feature {
key: "image/detection/bbox/xmin"
value { float_list { value: [0.8, 0.2] } } }
feature {
key: "image/detection/bbox/ymax"
value { float_list { value: [0.7, 0.8] } } }
feature {
key: "image/detection/bbox/xmax"
value { float_list { value: [1.0, 0.9] } } }
feature {
key: "image/detection/label"
value { int64_list { value: [123, 246] } } }
feature {
key: "image/detection/score"
value { float_list { value: [0.1, 0.2] } } }
feature {
key: "test_field"
value { float_list { value: [1.0, 2.0, 3.0, 4.0] } } } }
""", tf_example)